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Water Quality Samples for Puerto Rico
Grouped by County

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! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024
with a full decommission expected 6 months later. Learn more about the upcoming change and where to find the new samples data in our blog.
Some complex retrievals may take a few minutes.

Site Selection Results -- 2538 sites found


Minimum number of samples = 1

Save file of selected sites to local disk for future upload

Data for individual sites can be obtained by selecting the site number below

  group icon Adjuntas Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 180807066444900 LAGO GARZAS 2 RIO DE LAS VACAS BRH, ADJUNTAS, PR 1977-11-17 1978-01-16 6
USGS 180821066443500 LAGO GARZAS 1 NEAR DAM, ADJUNTAS, PR 1977-11-17 1982-02-22 8
USGS 181026066440500 MAT 2 WELL, ADJUNTAS, PR 1959-10-08 1959-10-08 1
USGS 181143066501500 LAGO GUAYO 3 ON RIO GUAYO BRANCH, ADJUNTAS, PR 1977-11-15 1977-12-05 4
USGS 181208066500300 LAGO GUAYO 2 NR CENTER OF LAKE, ADJUNTAS, PR 1977-11-15 1977-12-05 5
USGS 50020050 LAGO GARZAS NO. 1 NR DAMSITE NR ADJUNTAS, PR 1978-01-16 2002-07-16 148
USGS 50020500 RIO GRANDE DE ARECIBO NR ADJUNTAS, PR 1969-04-03 2024-01-30 280
USGS 50020600 RIO GRANDE DE ARECIBO BLW HACIENDA SANTA ELENA, PR 2000-03-28 2000-10-31 2
USGS 50021000 RIO PELLEJAS AT CENTRAL PELLEJAS, PR 1963-01-14 2000-10-31 163
USGS 50021020 RIO GRANDE DE ARECIBO DIV. AT CENTRAL PELLEJAS, PR 1972-11-03 1974-12-13 19
USGS 50021030 RIO PELLEJAS ABV CENTRAL PELLEJAS, PR 2002-04-05 2004-09-12 8
USGS 50021040 QUEBRADA AZUL AT CENTRAL PELLEJAS, PR 1973-10-17 1988-03-03 18
USGS 50021050 RIO PELLEJAS BLW CENTRAL PELLEJAS, PR 1970-02-26 1982-04-20 39
USGS 50023600 QUEBRADA JORDAN NR UTUADO, PR 1969-11-26 1974-12-14 43
USGS 50023610 QUEBRADA JORDAN ABV LAGO JORDAN, PR 1973-02-14 1973-03-20 4
USGS 50025850 RIO JAUCA AT PASO PALMA, PR 2001-12-21 2005-09-28 23
USGS 50140500 RIO GUILARTE NR ADJUNTAS, PR 1969-04-03 1969-04-03 1
USGS 50140800 RIO LIMANI NR ADJUNTAS, PR 1969-04-13 1969-04-13 1
USGS 50140900 RIO YAHUECAS AT HWY 135 NR ADJUNTAS, PR 1969-11-25 2010-02-24 24
USGS 50141000 RIO BLANCO NR ADJUNTAS, PR 1981-08-04 1982-01-06 4
  group icon Aguada Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 182028067112700 ATALAYA SPRING, AGUADA, PR 1960-09-22 1994-03-08 2
USGS 182151067114700 EL CHORRO SPRING, AGUADA, PR 1960-09-22 1960-09-22 1
USGS 182228067113300 PIEZOMETER USGS 58, AGUADA, PR 1965-01-07 1965-01-07 1
USGS 182244067121400 ALE SPRING, AGUADA, PR 1961-09-22 1995-04-20 4
USGS 182345067092600 CENTRAL COLOSO WELL, AGUADA, PR 1960-08-24 1960-08-24 1
USGS 50146300 RIO INGENIO AT JAGUEY, PR 2006-03-02 2011-03-24 3
USGS 50146400 RIO INGENIO NR AGUADA, PR 1960-03-22 2015-08-20 17
USGS 50146550 RIO CULEBRA AT HWY 416, PR 2006-03-02 2015-08-21 10
USGS 50146600 RIO CULEBRA NR AGUADA, PR 1960-03-22 1966-04-14 8
USGS 50146610 RIO CULEBRA AT GUAYNABO, AGUADA, PR 2006-03-02 2011-03-24 3
USGS 50146620 UNNAMED CREEK AT GUAYABO, AGUADA, PR 2006-03-02 2011-03-24 3
USGS 50146630 RIO GUAYABO AT HWY 115, AGUADA, PR 2006-03-02 2011-03-24 3
USGS 50148500 RIO CANOS NR AGUADA, PR 1962-02-23 2010-02-23 10
USGS 50148700 RIO CANO AT MOUTH, PR 2007-03-06 2015-08-11 10
USGS 50148890 RIO CULEBRINAS AT MARGARITA DAMSITE NR AGUADA, PR 2002-07-06 2003-12-07 10
USGS 50148900 RIO CULEBRINAS AT HWY 2 NR AGUADA, PR 1970-08-14 1970-12-08 2
  group icon Aguadilla Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 182411067090000 BBAR WELL, AGUADILLA, PR 2009-10-26 2010-02-22 4
USGS 182424067081700 MGAR SPRING, AGUADILLA, PR 1960-09-30 1960-09-30 1
USGS 182442067091700 AGUADILLA CEMENT NORTH WELL, AGUADILLA, PR 1963-05-03 2008-04-18 5
USGS 182442067091701 ACSOU WELL, AGUADILLA, PR 1985-04-22 1985-04-22 1
USGS 182539067091900 IPLA 2 WELL, AGUADILLA, PR 1960-09-16 1962-05-08 2
USGS 182602067091600 OJO DE AGUA SPRING, AGUADILLA, PR 1960-09-15 2011-03-25 12
USGS 50149100 RIO CULEBRINAS NR AGUADA, PR 1958-04-01 2024-02-22 265
USGS 50149200 CANO MADRE VIEJA AT HWY 115, PR 2006-03-02 2011-03-24 2
USGS 50149300 UNNAMED CREEK AT HWY 458, AGUADILLA, PR 2006-03-02 2011-03-24 3
  group icon Aguas Buenas Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181527066060300 PURITANA 3 WELL, AGUAS BUENAS, PR 1961-06-01 1961-06-01 1
USGS 181528066060200 PURITANA 2 WELL, AGUAS BUENAS, PR 1961-06-01 1961-06-01 1
USGS 181529066060100 PURITANA 1 WELL, AGUAS BUENAS, PR 1961-06-01 1961-06-01 1
USGS 50047600 RIO DE BAYAMON NR AGUAS BUENAS, PR 1958-09-16 2012-08-15 213
USGS 50047880 RIO GUAYNABO NR AGUAS BUENAS, PR 1976-05-21 1976-06-01 3
USGS 50055097 QUEBRADA SANJELO AT HWY 777, PR 2014-08-06 2015-03-11 2
USGS 50055100 RIO CAGUITAS NR AGUAS BUENAS, PR 1995-10-27 2000-09-22 82
  group icon Aibonito Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 180705066152200 EPAS WELL, AIBONITO, PR 1978-06-22 1978-06-22 1
USGS 180707066160100 PASTO SUR WELL, AIBONITO, PR 1978-06-01 1978-06-01 1
USGS 180752066142600 GON SPRING, AIBONITO, PR 1961-07-13 1961-07-13 1
USGS 180756066164000 ASOMANTE OLD WELL, AIBONITO, PR 1959-10-16 1966-04-27 3
USGS 180824066164400 BARRIO PASTOS 1 WELL, AIBONITO, PR 1964-05-08 1964-05-08 1
USGS 180836066164200 BARRIO PASTOS 2 WELL, AIBONITO, PR 1964-06-10 1964-06-10 1
USGS 50043000 RIO DE LA PLATA AT PROYECTO LA PLATA, PR 1959-02-20 2024-02-20 416
  group icon Anasco Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181703067032700 GON 1 SPRING, ANASCO, PR 1960-10-03 1960-10-03 1
USGS 181707067042400 GON 2 SPRING, ANASCO, PR 1960-10-04 1960-10-04 1
USGS 181733067101400 FRANCO WELL, ANASCO, PR 1962-05-08 1962-05-08 1
USGS 181738067055400 FLO SPRING, ANASCO, PR 1960-10-03 1960-10-03 1
USGS 181806067120200 NEG 1 SPRING, ANASCO, PR 1960-09-30 1960-09-30 1
USGS 181814067120300 NEG 2 SPRING, ANASCO, PR 1960-09-30 1960-09-30 1
USGS 181822067125200 RIV SPRING, ANASCO, PR 1960-09-30 1960-09-30 1
USGS 50144000 RIO GRANDE DE ANASCO NR SAN SEBASTIAN, PR 1963-01-10 2016-05-24 448
USGS 50144900 RIO HUMATA NR EL ESPINO, PR 2003-06-26 2015-08-11 9
USGS 50145000 RIO GRANDE DE ANASCO AT EL ESPINO, PR 1959-02-17 2003-06-25 48
USGS 50145500 RIO CASEI AT EL ESPINO, PR 1959-02-17 1966-04-18 7
USGS 50145600 RIO CASEY AT MOUTH, PR 2003-06-25 2015-08-12 11
USGS 50146000 RIO GRANDE DE ANASCO AT ANASCO, PR 1960-03-17 2024-02-22 226
USGS 50146100 RIO GRANDE DE ANASCO NR ANASCO, PR 1958-09-24 2007-03-07 41
USGS 50146120 CANO LA PUENTE NEAR TRES HERMANOS, ANASCO, PR 2006-03-02 2011-03-24 3
USGS 50146125 QUEBRADA LAYA AT HWY 115, ANASCO, PR 2006-03-02 2010-10-21 2
USGS 50146130 QUEBRADA JUSTO AT HWY 115, ANASCO, PR 2010-10-21 2010-10-21 1
USGS 50146135 QUEBRADA ICACOS AT HWY 115, ANASCO, PR 2010-10-21 2010-10-21 1
USGS 50146140 QUEBRADA CAGUABO AT HWY 115, ANASCO, PR 2006-03-02 2011-03-24 4
  group icon Arecibo Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 182009066400400 LAGO DOS BOCAS 1 NR DAM, ARECIBO, PR 1977-11-10 1982-02-24 9
USGS 182056066451300 ARECIBO OBSERVATION WELL, ARECIBO, PR 1985-05-21 1985-05-21 1
USGS 182106066402300 LA PUNTA SPRING, ARECIBO, PR 1954-06-14 1995-08-30 4
USGS 182123066405200 LOS CHORROS SPRING, ARECIBO, PR 1960-04-01 2004-01-15 16
USGS 182220066351700 PREY 1 WELL, ARECIBO, PR 1988-03-21 1988-03-21 1
USGS 182237066451700 ESPERANZA 2 WELL, ARECIBO, PR 1978-06-01 1995-02-15 3
USGS 182238066352900 PREY 2 WELL, ARECIBO, PR 1985-04-24 1985-04-24 1
USGS 182242066373200 RDEL WELL, ARECIBO, PR 1985-04-23 1985-04-23 1
USGS 182257066374500 VARELA WELL, ARECIBO, PR 1985-04-23 1985-04-23 1
USGS 182323066375100 CORREA WELL, ARECIBO, PR 1985-04-23 1985-04-23 1
USGS 182357066451100 ESPERANZA 1 OLD WELL, ARECIBO, PR 1966-07-10 1980-10-17 6
USGS 182427066410700 CARRERA 1 WELL, ARECIBO, PR 1980-10-17 1988-11-29 3
USGS 182431066432600 CUEVA SORBETO 3 WELL, ARECIBO, PR 1988-03-05 1988-03-05 1
USGS 182431066432601 CUEVA SORBETO 2 WELL, ARECIBO, PR 1988-03-05 1988-03-05 1
USGS 182431066432602 CUEVA SORBETO 1 WELL, ARECIBO, PR 1988-03-05 1988-03-05 1
USGS 182435066414500 SAN PEDRO SPRING, ARECIBO, PR 1958-03-28 2004-01-04 89
USGS 182511066425300 EL DIQUE SPRING, ARECIBO, PR 1983-06-22 1994-04-07 2
USGS 182542066353200 UPJ ARTESIAN WELL, ARECIBO, PR 1992-09-22 1992-09-22 1
USGS 182556066351900 IAS 4 - UJ-5 ARTESIAN WELL, ARECIBO, PR 1989-08-08 1989-08-18 3
USGS 182608066352500 IAS 5 WELL, ARECIBO, PR 1990-04-02 1990-05-07 4
USGS 182608066355900 WAL WELL, ARECIBO, PR 1981-09-01 2002-05-02 5
USGS 182626066410800 MCON C2 WELL, ARECIBO, PR 1981-09-23 1982-06-30 2
USGS 182633066373800 ROEHRS WELL, ARECIBO, PR 1960-08-08 1960-08-08 1
USGS 182639066385200 SANTANA 1 WELL, ARECIBO, PR 1964-03-11 1982-06-30 9
USGS 182642066385400 SWAN WELL, ARECIBO, PR 1964-07-28 1964-07-28 1
USGS 182657066384500 RDIA 1 WELL, ARECIBO, PR 1962-04-20 1962-04-20 1
USGS 182704066413000 LAND DESIGNS, ARECIBO, PR 2011-08-12 2014-10-30 4
USGS 182724066392000 ZANJA FRIA SPRING, ARECIBO, PR 1982-12-08 2014-10-23 15
USGS 182727066391200 HMAR 2 WELL, ARECIBO, PR 1960-08-09 1960-08-09 1
USGS 182728066394000 LA JOYA WELL, ARECIBO, PR 1984-03-27 1984-03-27 1
USGS 182728066415700 CAMBALACHE 1 WELL, ARECIBO, PR 1960-08-12 1960-08-12 1
USGS 182737066370900 GRIV WELL, ARECIBO, PR 2003-02-19 2008-04-21 5
USGS 182737066384501 TERRAZA 2 WELL, ARECIBO, PR 1964-07-31 1985-05-22 2
USGS 182739066422500 GPAP 4 WELL, ARECIBO, PR 1960-08-12 1960-08-12 1
USGS 182747066351300 MVEL WELL, ARECIBO, PR 1985-04-22 1985-04-22 1
USGS 182749066345400 PRIV WELL, ARECIBO, PR 1985-04-22 1985-04-22 1
USGS 182757066382100 CONCORA FACTOR SPRING, ARECIBO, PR 1961-03-02 1961-03-02 1
USGS 182757066392600 TIBURONES SPRING, ARECIBO, PR 1961-03-02 1961-03-02 1
USGS 182759066373500 JCAS WELL, ARECIBO, PR 1960-08-08 1960-08-08 1
USGS 182811066353700 JCAM WELL, ARECIBO, PR 1962-04-20 1962-04-20 1
USGS 182811066430500 SUREDA WELL, ARECIBO, PR 1962-04-19 1962-04-19 1
USGS 182825066355300 LA CAMBIJA SPRING, ARECIBO, PR 1982-12-08 1983-08-04 2
USGS 182829066441900 McGUINESS 114 WELL, ARECIBO, PR 1960-08-12 1960-08-12 1
USGS 182830066441500 PRDIS 1 WELL, ARECIBO, PR 1957-02-04 1957-02-04 1
USGS 182830066441501 PRDIS 2 WELL, ARECIBO, PR 1957-02-04 1960-02-01 2
USGS 182845066384200 FACTOR LOTE 9 SP2 WELL, ARECIBO, PR 1961-03-02 1961-03-02 1
USGS 182846066385100 FACTOR LOTE 9 SP1 WELL, ARECIBO, PR 1961-03-02 1961-03-02 1
USGS 182847066380200 FACTOR LOTE 9 SP3 WELL, ARECIBO, PR 1961-03-02 1961-03-02 1
USGS 182901066393500 DLOU WELL, ARECIBO, PR 1962-04-19 1962-04-19 1
USGS 182927066372600 DGON 2 WELL, ARECIBO, PR 1973-03-15 1973-03-15 1
USGS 182930066374300 AGON WELL, ARECIBO, PR 1962-04-19 1962-04-19 1
USGS 182932066372100 DGON 1 WELL, ARECIBO, PR 1973-03-15 1973-03-15 1
USGS 50027090 LAGO DOS BOCAS NO. 1 NR DAMSITE NR UTUADO, PR 1978-01-17 2002-07-12 145
USGS 50027200 RIO GRANDE DE ARECIBO BLW LAGO DOS BOCAS DAM, PR 1970-02-06 1975-06-12 8
USGS 50027250 RIO GDE. DE ARECIBO BLW LAGO DOS BOCAS NR FLORIDA 1974-03-26 2012-08-08 197
USGS 50027400 RIO GDE. DE ARECIBO TRIBUT. SP. NR LAGO DOS BOCAS 1959-02-19 1966-04-26 9
USGS 50027600 RIO GRANDE DE ARECIBO NR SAN PEDRO, PR 1959-02-18 2024-02-05 24
USGS 50027750 RIO GRANDE DE ARECIBO ABV ARECIBO, PR 1995-10-16 2000-11-01 54
USGS 50027800 SAN PEDRO (SW) SPRING 1958-03-28 1966-04-26 10
USGS 50028100 RIO TANAMA ABV OBSERVATORIO DE ARECIBO, PR 2000-03-31 2000-11-03 2
USGS 50028200 RIO TANAMA AT ESPERANZA, PR 2000-03-31 2000-11-03 2
USGS 50028400 RIO TANAMA AT CHARCO HONDO, PR 1969-04-02 2000-11-01 21
USGS 50028500 RIO TANAMA NR SAN PEDRO, PR 1958-03-21 1967-05-26 12
USGS 50029000 RIO GRANDE DE ARECIBO AT CENTRAL CAMBALACHE, PR 1963-01-16 2020-02-25 328
USGS 50029300 CANO SUROESTE NR CENTRAL CAMBALACHE, PR 1970-12-10 1970-12-11 2
USGS 50029500 CANO TIBURONES OUTLET NR ARECIBO, PR 1970-12-11 1971-01-18 3
  group icon Arroyo Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 175752066035300 ARROYO WELL, ARROYO, PR 1968-02-08 1968-02-08 1
USGS 175840066024200 PALMAS 2 WELL, ARROYO, PR 1986-03-26 1986-08-12 4
USGS 175853066025500 LA PALMA WELL, ARROYO, PR 1985-04-24 1985-04-24 1
USGS 175854066015100 MAUNABITO WELL, ARROYO, PR 1968-02-08 1968-02-08 1
USGS 50094315 QUEBRADA YAUREL AT HIGHWAY 3, ARROYO, PR 2006-02-27 2011-03-21 3
USGS 50094375 RIO NIGUA NEAR PITAHAYA 2010-10-19 2011-03-21 2
USGS 50094410 RIO NIGUA AT CANAL DE PATILLAS, ARROYO, PR 2006-02-27 2010-10-19 2
USGS 50094500 RIO NIGUA AT ARROYO, PR 1962-02-22 2011-03-21 5
USGS 50094515 QUEBRADA SALADA AT MOUTH, ARROYO, PR 2006-02-27 2011-03-21 3
USGS 50094600 RIO GUAMANI AT CARITE HYDROELECTRIC PLANT NO 3, PR 1961-05-02 1962-02-06 8
  group icon Barceloneta Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 182310066330200 PDAI WELL, BARCELONETA, PR 1985-04-24 1985-04-24 1
USGS 182409066342600 FRA SPRING, BARCELONETA, PR 1959-10-29 1960-08-09 2
USGS 182438066352400 POTT EAST WELL, BARCELONETA, PR 1960-08-09 1960-08-09 1
USGS 182538066331900 UC 1 WELL, BARCELONETA, PR 1973-03-05 1973-03-05 1
USGS 182539066332800 UC 2 WELL, BARCELONETA, PR 1968-07-01 1968-07-01 1
USGS 182543066332700 UC 3 WELL, BARCELONETA, PR 1973-03-05 1973-03-05 1
USGS 182544066341500 CRUCE DAVILA NC-5 WELL, BARCELONETA, PR 1986-07-23 1986-08-19 5
USGS 182547066332800 BALP SHALLOW WELL, BARCELONETA, PR 1980-06-02 1980-06-02 1
USGS 182549066334900 NYCOMED 1 WELL, BARCELONETA, PR 1995-09-14 1995-11-29 4
USGS 182549066345300 RCALPIN WELL, BARCELONETA, PR 1973-03-06 1973-03-06 1
USGS 182558066331300 LOTUS ARTESIAN WELL, BARCELONETA, PR 1984-11-27 1987-11-15 3
USGS 182558066341500 IAS 3 WELL, BARCELONETA, PR 1989-06-02 1989-06-27 5
USGS 182558066341600 CASERA 1 CRUCE DAVILA WELL, BARCELONETA, PR 1981-09-01 1982-09-01 4
USGS 182601066340500 ASOU WELL, BARCELONETA, PR 1970-01-27 1970-01-27 1
USGS 182601066340501 AINJ 1 WELL, BARCELONETA, PR 1989-06-13 1989-12-18 3
USGS 182601066340800 ANES WELL, BARCELONETA, PR 1970-02-01 1970-02-01 1
USGS 182601066341000 CASERA 1 WELL, BARCELONETA, PR 1981-09-01 1982-09-01 4
USGS 182601066341001 CASERA 2 WELL, BARCELONETA, PR 1973-04-05 1973-04-05 1
USGS 182603066340201 AINJ 2 INJECTION WELL, BARCELONETA, PR 1973-03-06 1973-03-06 1
USGS 182605066341600 PFIZER ARTESIAN NORTH WELL, BARCELONETA, PR 1991-05-15 1991-05-20 2
USGS 182608066341300 PFZ SHALLOW WELL,,BARCELONETA, PR 1995-01-24 1995-02-23 3
USGS 182608066341301 PIEZOMETER PFZ ARTESIAN, BARCELONETA, PR 1995-02-23 1995-02-23 1
USGS 182626066345100 TIBURONES WELL, BARCELONETA, PR 1978-06-29 2013-08-26 8
USGS 182641066345700 POCHO WELL, BARCELONETA, PR 1984-03-23 2018-03-14 7
USGS 182710066322100 PLAZUELA 1 WELL, BARCELONETA, PR 1963-01-30 1963-01-30 1
USGS 182723066342500 ARAM WELL, BARCELONETA, PR 1985-04-22 1985-04-22 1
USGS 182725066323200 JTEX 1 WELL, BARCELONETA, PR 1970-09-15 1970-09-15 1
USGS 182735066345000 PMAR WELL, BARCELONETA, PR 1985-04-22 1985-04-22 1
USGS 182743066342600 AMENA WELL, BARCELONETA, PR 1985-04-22 2013-12-23 4
USGS 50029700 CANO NORESTE NR BARCELONETA, PR 1970-12-10 1970-12-11 2
USGS 50038150 RIO GRANDE DE MANATI ABV BARCELONETA, PR 1976-06-28 1979-09-11 50
  group icon Barranquitas Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 182019066285300 REPRESA SONADORA DE CIALES, BARRANQUITAS, PR 1982-12-09 1995-02-24 3
USGS 50029800 RIO GRANDE DE MANATI NR BARRANQUITAS, PR 2006-03-22 2006-08-31 2
USGS 50030250 RIO BOTIJAS NR CARRO, PR 1972-01-30 1973-06-29 7
USGS 50030280 RIO CANABON NR BOTIJAS, PR 1972-01-30 1973-06-29 7
  group icon Bayamon Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 182129066115900 AYA WELL, BAYAMON, PR 1985-04-19 1985-04-19 1
USGS 182144066115400 COTTE WELL, BAYAMON, PR 1985-04-19 1985-04-19 1
USGS 182308066083300 MITEL WELL, BAYAMON, PR 1983-05-13 1988-06-24 3
USGS 182335066082000 BAYAMON 6 WELL, BAYAMON, PR 1964-03-12 1964-03-14 3
USGS 182358066082100 VLCAR WELL, BAYAMON, PR 1958-05-06 1958-05-06 1
USGS 182436066085500 FORT BUCHANAN 2 WELL, BAYAMON, PR 1950-05-08 1952-02-28 2
USGS 182441066082600 BUCHANAN PARK WELL, BAYAMON, PR 2003-03-10 2008-05-16 7
USGS 182444066083400 FBUC 3 WELL, BAYAMON, PR 1950-05-08 1952-02-28 3
USGS 182447066084100 FBUC 4 WELL, BAYAMON, PR 1950-05-08 1953-03-16 4
USGS 182451066080200 PIEZOMETER FORT BUCHANAN 1, BAYAMON, PR 2003-03-10 2008-05-16 7
USGS 182454066085300 EDM WELL, BAYAMON, PR 1965-04-02 1965-04-02 1
USGS 182455066080700 FBUC 7 WELL, BAYAMON, PR 1950-05-08 1952-02-28 3
USGS 182503066104300 RIO PLANTATION 3A WELL, BAYAMON, PR 1972-05-02 1972-05-02 1
USGS 50044220 RIO DE LA PLATA NR NARANJITO, PR 1976-05-21 1976-06-01 4
USGS 50047000 RIO DE LA PLATA NR TOA ALTA, PR 1959-02-23 1962-09-13 2
USGS 50047800 RIO DE BAYAMON AT DAMSITE NR AGUAS BUENAS, PR 1958-09-16 1992-06-08 13
USGS 50047820 RIO DE BAYAMON AT HWY 174 NR BAYAMON, PR 1958-03-21 2024-02-22 60
USGS 50047850 RIO DE BAYAMON NR BAYAMON, PR 1964-09-03 1971-04-05 36
USGS 50048000 RIO DE BAYAMON AT BAYAMON, PR 1959-01-27 1974-10-23 87
USGS 50048500 RIO DE BAYAMON AT HWY 167 AT BAYAMON, PR 1960-03-28 1975-02-05 28
USGS 50048510 RIO DE BAYAMON AT FLOOD CHANNEL AT BAYAMON, PR 1973-09-12 2024-02-05 256
  group icon Cabo Rojo Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 175622067114902 PIEZOMETER 3, CABO ROJO, PR 1959-06-26 1959-07-20 2
USGS 175822067094600 MSAN 2 WELL, CABO ROJO, PR 1962-06-01 1962-06-01 1
USGS 175841067115400 HZEN WELL, CABO ROJO, PR 1959-05-14 1959-05-14 1
USGS 175848067120700 CAR 1 WELL, CABO ROJO, PR 1959-05-14 1959-05-14 1
USGS 175848067120701 CAR 2 WELL, CABO ROJO, PR 1959-05-14 1959-05-14 1
USGS 175851067084800 NIRI 5 WELL, CABO ROJO, PR 1959-05-20 1959-05-20 1
USGS 175859067103500 SROD WELL, CABO ROJO, PR 1959-05-15 1959-05-15 1
USGS 175906067071000 CAB 15 WELL, CABO ROJO, PR 1959-05-28 1959-05-28 1
USGS 175910067112100 JFAS 7 WELL, CABO ROJO, PR 1959-05-15 1959-05-15 1
USGS 175911067094500 MSAN 4 WELL, CABO ROJO, PR 1959-05-20 1959-05-20 1
USGS 180013067090800 RIV WELL, CABO ROJO, PR 1962-05-09 1962-05-09 1
USGS 180015067090400 CAPITRANO WELL, CABO ROJO, PR 1986-03-24 1986-03-24 1
USGS 180045067072900 SAN WELL, CABO ROJO, PR 1986-03-24 1986-03-24 1
USGS 180047067063900 LHOU WELL, CABO ROJO, PR 1986-03-24 1986-06-19 2
USGS 180101067072400 COSTA LLANOS WELL, CABO ROJO, PR 1986-03-26 1986-03-26 1
USGS 180114067084900 LLANOS COSTA 1 WELL, CABO ROJO, PR 1962-05-09 1962-05-09 1
USGS 180121067082600 LLANOS COSTA 4 WELL, CABO ROJO, PR 1986-03-24 1986-03-24 1
USGS 180125067080500 PIEZOMETER SC-6, CABO ROJO, PR 1987-03-31 1987-04-01 2
USGS 180125067082400 LLANOS COSTA 3 WELL, CABO ROJO, PR 1986-03-24 1986-03-24 1
USGS 180215067083100 MON WELL, CABO ROJO, PR 1962-05-08 1962-05-08 1
USGS 180216067094000 VID WELL, CABO ROJO, PR 1962-05-08 1962-05-08 1
USGS 180524067092000 WELL, 3 C103 K3.9, CABO ROJO, PR 1986-03-26 1986-11-19 5
USGS 180527067092700 FER 1 WELL, CABO ROJO, PR 1961-10-25 1961-10-25 1
USGS 180542067084000 CABO ROJO P1 WELL, CABO ROJO, PR 2003-04-10 2008-04-17 5
USGS 180624067083500 C POND, CABO ROJO, PR 1993-03-08 1993-03-08 1
USGS 180626067075100 MCD WELL, CABO ROJO, PR 1981-09-25 1993-03-08 6
USGS 180628067075802 PIEZOMETER CABO ROJO 2C, CABO ROJO, PR 1992-07-09 1992-07-09 2
USGS 180628067084300 PIEZOMETER CABO ROJO 9A, CABO ROJO, PR 1993-03-08 2004-01-15 2
USGS 180628067084302 PIEZOMETER CABO ROJO 9C, CABO ROJO, PR 2004-01-15 2004-01-15 1
USGS 180632067080100 MC'DOUGALL, CABO ROJO, PR 1993-03-09 1993-06-09 2
USGS 180720067110200 PIEZOMETER JOYUDA 8, CABO ROJO, PR 1986-06-05 1988-01-07 26
USGS 180721067110200 PIEZOMETER JOYUDA 9, CABO ROJO, PR 1986-06-05 1988-01-07 27
USGS 180722067110200 PIEZOMETER JOYUDA 10, CABO ROJO, PR 1986-06-05 1988-01-07 26
USGS 180723067103600 PIEZOMETER JOYUDA 4, CABO ROJO, PR 1986-06-05 1988-01-06 26
USGS 180731067100500 MANGO WELL, CABO ROJO, PR 1986-05-07 1988-01-06 26
USGS 180732067102600 DIX WELL, CABO ROJO, PR 1986-06-05 1988-01-06 26
USGS 180735067102500 PIEZOMETER JOYUDA 5, CABO ROJO, PR 1986-06-05 1988-01-06 26
USGS 180750067101200 PIEZOMETER JOYUDA 6, CABO ROJO, PR 1986-06-05 1988-01-06 26
USGS 180753067085900 TERESA 1 WELL, CABO ROJO, PR 1967-04-26 1967-04-26 1
USGS 180816067103100 PIEZOMETER JOYUDA 7, CABO ROJO, PR 1986-06-05 1988-01-06 25
USGS 180817067102900 LUIS WELL, CABO ROJO, PR 1986-01-13 1987-07-07 16
USGS 180823067104500 PIEZOMETER JOYUDA 3, CABO ROJO, PR 1986-06-05 1988-01-07 24
USGS 180825067104800 PIEZOMETER JOYUDA 2, CABO ROJO, PR 1986-06-05 1988-01-07 26
USGS 180827067105100 PIEZOMETER JOYUDA 1, CABO ROJO, PR 1986-06-05 1988-01-07 26
USGS 180836067104200 ROS WELL, CABO ROJO, PR 1986-06-05 1988-01-06 26
USGS 50128950 CANAL DE RIEGO DE LAJAS NR BOQUERON, PR 1981-08-06 1981-12-03 3
USGS 50129820 ARROYO CAJUL AT HWY 303, CABO ROJO, PR 2010-10-19 2010-10-19 1
USGS 50129855 LAGUNA FRATERNIDAD NO.1 CABO ROJO PR 2011-11-16 2012-08-14 5
USGS 50129860 LAGUNA FRATERNIDAD NO.2 CABO ROJO PR 2011-11-16 2012-08-14 5
USGS 50129863 LAGUNA CABO ROJO NO.1 CABO ROJO PR 2011-11-16 2012-08-14 5
USGS 50129865 LAGUNA CABO ROJO NO.2 CABO ROJO PR 2011-11-16 2012-08-14 5
USGS 50129866 LAGUNA CANDELARIA NO.1 CABO ROJO PR 2011-11-15 2012-08-15 6
USGS 50129870 LAGUNA CANDELARIA NO.2 CABO ROJO PR 2011-11-15 2012-08-15 5
USGS 50129875 UNNAMED CREEK AT PENONES DE MELONES, CABO ROJO, PR 2010-10-20 2010-10-20 1
USGS 50129900 LAGUNA CARTAGENA OUTFLOW NR BOQUERON, PR 2011-11-16 2012-08-14 7
USGS 50129935 CANO BOQUERON NO.3 AT BOQUERON, CABO ROJO, PR 2016-06-15 2016-07-06 2
USGS 50129945 CANO BOQUERON NO.2 CABO ROJO PR 2001-12-13 2016-07-06 35
USGS 50129948 CANO BOQUERON NO.4 AT BOQUERON, CABO ROJO, PR 2016-06-15 2016-07-07 2
USGS 50129950 CANO BOQUERON NO.1 CABO ROJO PR 2011-11-15 2016-07-06 11
USGS 50129960 CANO BOQUERON NO.5 AT BOQUERON, CABO ROJO, PR 2016-06-15 2016-07-06 2
USGS 50130000 QUEBRADA BOQUERON AT BOQUERON, PR 2006-03-01 2011-03-22 3
USGS 50130020 LAGUNA GUANIQUILLA NO.2 CABO ROJO, PR 2011-11-15 2012-08-15 5
USGS 50130025 LAGUNA GUANIQUILLA NO.1 CABO ROJO PR 2011-11-15 2012-08-15 6
USGS 50130050 QUEBRADA ZUMBON AT HWY 307, CABO ROJO, PR 2006-03-01 2015-04-07 5
USGS 50130100 QUEBRADA GONZALEZ AT HWY 307, CABO ROJO, PR 2006-03-01 2011-03-22 3
USGS 50130150 QUEBRADA LOS PAJARITOS AT HWY 307, CABO ROJO, PR 2006-03-01 2011-03-22 3
USGS 50130200 QUEBRADA LAS PINAS AT HWY 308, CABO ROJO, PR 2006-03-01 2010-10-21 2
USGS 50130305 LAGUNA JOYUDA NO.1 CABO ROJO PR 2011-11-17 2012-08-16 10
USGS 50130325 QUEBRADA MANGO AT HWY 311, CABO ROJO, PR 2006-03-01 2011-03-24 2
USGS 50130335 LAGUNA JOYUDA NO.2 CABO ROJO PR 2011-11-17 2012-08-16 8
USGS 50135625 RIO VIEJO AT BENAVENTE, CABO ROJO, PR 2009-10-29 2024-02-21 54
USGS 50135650 RIO GUANAJIBO AT HWY 114, CABO ROJO, PR 2009-10-29 2010-02-25 2
USGS 50139500 RIO YAGUEZ NR MOUTH AT MAYAGUEZ, PR 1959-02-16 1979-08-16 42
  group icon Caguas Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181046066024700 DEL WELL, CAGUAS, PR 1987-07-09 1990-08-02 2
USGS 181116066004900 JJAN WELL, CAGUAS, PR 1962-12-14 1962-12-14 1
USGS 181307066002000 JJAN SPRING, CAGUAS, PR 1954-06-28 1954-06-28 1
USGS 181311066013900 MAN 1 WELL, CAGUAS, PR 1963-04-27 1963-04-27 1
USGS 181311066022500 PIEZOMETER CAGUAS-JUNCOS 11, CAGUAS, PR 2003-02-20 2008-05-16 9
USGS 181318066032600 PIEZOMETER CJ 12, CAGUAS, PR 1990-08-08 1990-08-08 1
USGS 181332066022100 RDIE WELL, CAGUAS, PR 1990-07-30 1990-07-30 1
USGS 181351066013900 PIEZOMETER CJ 13, CAGUAS, PR 1990-08-06 1990-08-06 1
USGS 181352066025300 PIEZOMETER CAGUAS-JUNCOS 19A, CAGUAS, PR 1990-07-19 2008-05-14 10
USGS 181406066004600 PIEZOMETER CJ 7, CAGUAS, PR 1987-08-11 1990-08-09 2
USGS 181422066015300 PIEZOMETER CJ 2, CAGUAS, PR 1990-09-11 1996-04-01 2
USGS 181444066035000 CAR 2 WELL, CAGUAS, PR 1987-07-01 1990-08-30 2
USGS 181445066011500 PIEZOMETER CJ 1, CAGUAS, PR 1987-08-11 1990-08-07 2
USGS 181446066013400 PIEZOMETER CJ 20, CAGUAS, PR 1990-07-11 2004-02-09 2
USGS 181454066022400 QEELE WELL, CAGUAS, PR 1987-07-01 1987-07-01 1
USGS 181503066041500 LAS FLORES WELL, CAGUAS, PR 1972-06-01 1972-06-01 1
USGS 181538066022500 BAIROA B WELL, CAGUAS, PR 1967-08-01 1967-08-01 1
USGS 181539066014500 PIEZOMETER CAGUAS-JUNCOS 15, CAGUAS, PR 2003-02-20 2008-05-16 9
USGS 181544066013901 CAGUAS REGIONAL WWTP EFFLUENT 2013-03-18 2013-03-18 1
USGS 181645066021600 EPER WELL, CAGUAS, PR 1963-04-27 1963-04-27 1
USGS 181653066021700 YITURE WELL, CAGUAS, PR 1963-01-23 1963-01-23 1
USGS 50052795 QUEBRADA JANER AT BO. TOMAS DE CASTRO, PR 2014-08-05 2015-03-10 2
USGS 50052850 QUEBRADA LAS BAMBUAS AT BO. TOMAS DE CASTRO, PR 2014-08-05 2015-03-10 2
USGS 50052860 QUEBRADA LAS BAMBUAS NR CAGUAS, PR 2015-03-10 2015-03-10 1
USGS 50052925 RIO TURABO AT BO. SAN SALVADOR, PR 2014-08-04 2015-03-09 2
USGS 50052935 QUEBRADA MORENA AT BO. SAN SALVADOR, PR 2014-08-05 2015-03-09 2
USGS 50052950 QUEBRADA MARACAI AT BO. SAN SALVADOR, PR 2014-08-04 2015-03-09 2
USGS 50052975 RIO TURABO NR BO. SAN SALVADOR, PR 2014-08-04 2015-03-09 2
USGS 50053025 RIO TURABO ABV BORINQUEN, PR 1995-10-21 2015-03-09 45
USGS 50053050 RIO TURABO AT BORINQUEN, PR 1984-05-30 2005-08-08 3
USGS 50053060 RIO TURABO AT HWY 765 AT BO. BORINQUEN, PR 2014-08-04 2015-03-09 2
USGS 50053070 TRIBUTARIO DE RIO TURABO AT HWY 765 AT BORINQUEN 2014-08-04 2015-03-09 2
USGS 50053080 QUEBRADA NARANJITO AT BO. BORINQUEN, PR 2014-08-04 2015-03-09 2
USGS 50053150 QUEBRADA SONADORA AT BO. BEATRIZ, PR 2014-08-04 2015-03-09 2
USGS 50053200 QUEBRADA BEATRIZ AT BO. BEATRIZ, PR 2014-08-04 2015-03-09 2
USGS 50053250 TRIBUTARIO DE QDA BEATRIZ AT HWY 765 AT BORINQUEN 2014-08-04 2015-03-09 2
USGS 50053925 QDA DE LAS QUEBRADILLAS AT DIVISORIA AT BO BEATRIZ 2014-08-05 2015-03-10 2
USGS 50053950 QUEBRADA DE LAS QUEBRADILLAS AT BO. BEATRIZ, PR 2014-08-05 2015-03-10 2
USGS 50053975 QDA DE LAS QUEBRADILLAS ABV DAM AT BO. TURABO, PR 2014-08-05 2015-03-10 2
USGS 50054020 QUEBRADA DE LAS QUEBRADILLAS AT HIGHWAY 1, PR 2005-03-08 2015-03-10 4
USGS 50054050 QDA DE LAS QUEBRADILLAS NR MOUTH AT BO. TURABO, PR 2014-08-05 2015-03-10 2
USGS 50054100 RIO TURABO AT BO. TURABO, PR 2014-08-05 2015-03-10 2
USGS 50054300 RIO TURABO AT VILLA DEL REY NR CAGUAS, PR 2014-08-05 2015-03-10 2
USGS 50054450 TRIBUTARY OF RIO TURABO NR TOMAS DE CASTRO, PR 2014-08-05 2015-03-11 2
USGS 50054500 RIO TURABO AT CAGUAS, PR 1958-03-14 2024-02-14 62
USGS 50055000 RIO GRANDE DE LOIZA AT CAGUAS, PR 1959-02-25 2024-02-14 603
USGS 50055120 RIO CAGUITAS AT HWY 156 NR CAGUAS, PR 2005-03-08 2015-03-11 4
USGS 50055130 QUEBRADA ALGARROBO AT BO. CANABON, PR 2014-08-06 2015-03-11 2
USGS 50055132 TRIBUTARY OF QUEBRADA ALGARROBO AT MOUTH, PR 2015-03-11 2015-03-11 1
USGS 50055135 QUEBRADA ALGARROBO AT MOUTH AT BO. CANABON, PR 2014-08-06 2015-03-11 2
USGS 50055150 RIO CANABONCITO AT BO. CANABONCITO, PR 2014-08-06 2015-03-11 2
USGS 50055160 RIO CANABONCITO NR MOUTH AT BO. CANABONCITO, PR 2014-08-06 2015-03-11 2
USGS 50055170 RIO CAGUITAS NR CAGUAS, PR 1995-11-04 2015-03-13 20
USGS 50055180 UNNAMED CREEK AT VILLA DEL REY, PR 2014-08-07 2015-03-13 2
USGS 50055190 UNNAMED CREEK AT HIGHWAY 156 NR CAGUAS, PR 2014-08-07 2015-03-12 2
USGS 50055195 TRIBUTARY OF UNNAMED CREEK AT HWY 156, PR 2014-08-07 2015-03-12 2
USGS 50055200 RIO CAGUITAS AT CAGUAS, PR 1958-03-19 1977-06-17 11
USGS 50055225 RIO CAGUITAS AT VILLA BLANCA AT CAGUAS, PR 1992-01-11 2000-09-18 66
USGS 50055250 RIO CAGUITAS AT HWY 30 AT CAGUAS, PR 1973-09-25 2024-02-12 261
USGS 50055330 RIO BAIROA AT BO. BAIROA NR CAGUAS, PR 2014-08-07 2015-03-12 2
USGS 50055335 RIO BAIROA BELOW LAS CAROLINAS, PR 2014-08-07 2015-03-12 2
USGS 50055390 RIO BAIROA AT BAIROA, PR 1995-10-19 2000-09-02 58
USGS 50055400 RIO BAIROA NR CAGUAS, PR 1958-03-19 2015-03-13 174
USGS 50055404 TRIBUTARIO DE RIO BAIROA AT HWY 1 NR CAGUAS, PR 2014-08-07 2015-03-11 2
USGS 50055408 TRIBUTARY OF RIO BAIROA AT HWY 796 NR CAGUAS, PR 2014-08-06 2015-03-11 2
USGS 50055410 RIO BAIROA AT MOUTH, PR 1987-07-24 2024-02-12 82
USGS 50057700 LAGO LOIZA STATION NO. 4A, PR 1973-12-13 1974-05-30 5
USGS 50057800 RIO CANAS AT BO. JAGUEYES NR RIO CANAS, PR 2014-08-08 2015-03-13 2
USGS 50058000 RIO CANAS NR CAGUAS, PR 1966-04-12 1966-04-12 1
USGS 50058010 RIO CANAS AT HWY 1 AT BO. RIO CANAS, PR 2014-08-08 2015-03-12 2
USGS 50058300 QUEBRADA ARENA NR CAGUAS, PR 1958-03-19 2015-03-13 8
USGS 50058350 RIO CANAS AT RIO CANAS, PR 1995-10-17 2015-08-04 89
USGS 50058375 TRIBUTARIO DE RIO CANAS AT HWY 798 AT BO RIO CANAS 2014-08-08 2015-03-12 2
USGS 50058395 TRIBUTARY OF TRIB OF RIO CANAS AT HWY 798, PR 2014-08-08 2015-03-12 2
USGS 50058400 RIO CANAS ABV LAGO LOIZA, PR 1973-11-16 1974-10-01 26
USGS 50058610 TRIBUTARIO DE LAGO LOIZA AT HWY 175 AT SAN ANTONIO 2014-08-08 2015-03-12 2
  group icon Camuy Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181724066452600 CAGUANA COROZAL WELL, CAMUY, PR 1967-05-04 1967-05-04 1
USGS 182212066534200 SDOM WELL, CAMUY, PR 1981-03-02 1985-04-22 2
USGS 182233066501500 COR SPRING, CAMUY, PR 1994-11-16 1994-11-16 1
USGS 182243066494100 MAR 1 SPRING,CAMUY, PR 1994-03-31 1994-03-31 1
USGS 182303066485600 ROMERO 1 SPRING, CAMUY, PR 1960-08-02 1960-08-02 1
USGS 182303066502600 BON SPRING, CAMUY, PR 1960-08-02 1960-08-02 1
USGS 182305066485900 JMEN SPRING, CAMUY, PR 1960-08-03 1960-08-03 1
USGS 182318066490300 ROMERO 2 SPRING, CAMUY, PR 1960-08-02 1960-08-02 1
USGS 182318066513900 LA CANTARA SPRING, CAMUY, PR 1960-08-04 1960-08-04 1
USGS 182320066503300 ESTRADA SPRING, CAMUY, PR 1960-08-02 1960-08-02 1
USGS 182326066503100 PER SPRING, CAMUY, PR 1960-08-02 1960-08-02 1
USGS 182336066490400 NEGRON SPRING, CAMUY, PR 1960-08-03 1960-08-03 1
USGS 182344066534400 SUMBADORA 1 SPRING, CAMUY, PR 1982-12-14 1995-04-05 5
USGS 182345066534000 SUMBADORA 2 SPRING, CAMUY, PR 1960-08-17 1994-11-08 2
USGS 182553066534500 CENTRAL SOLLER 1 WELL, CAMUY, PR 1980-09-08 1980-09-08 1
USGS 182611066513900 TORRADO WELL, CAMUY, PR 1985-05-01 1985-05-01 1
USGS 182708066512100 PIEDRA GORDA 1B WELL, CAMUY, PR 1980-10-17 1980-10-17 1
USGS 182723066511200 ZANJA 4 WELL, CAMUY, PR 1977-02-04 1978-06-12 4
USGS 182909066502600 RIO LLANO WELL, CAMUY, PR 1980-08-21 1980-08-21 2
USGS 50015000 RIO CAMUY AT LA CUESTA, PR 1959-02-19 1971-05-07 89
  group icon Canovanas Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 50061510 RIO CANOVANILLAS DOWNSTREAM OF HIGHWAY 3, PR 2005-03-10 2015-07-27 15
USGS 50061820 RIO CANOVANAS AT HATO PUERCO, PR 2005-03-09 2005-08-02 2
USGS 50061910 RIO CANOVANAS AT BARRIO CANOVANAS, PR 2005-03-09 2015-07-27 15
  group icon Carolina Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181824065562800 BARRAZAS WELL, CAROLINA, PR 1979-03-04 1979-03-04 1
USGS 182301065582500 JARDINES DE CAROLINA WELL, CAROLINA, PR 1977-04-26 1977-04-26 2
USGS 182359065570700 PBEA WELL, CAROLINA, PR 1965-02-10 1965-02-10 1
USGS 182401065581400 VILLA FONTANA 2 WELL, CAROLINA, PR 1977-08-10 1980-01-15 3
USGS 182426065573800 CFAR WELL, CAROLINA, PR 1965-02-09 1965-02-09 1
USGS 182439065580800 ALVZ 1 WELL, CAROLINA, PR 1961-10-09 1961-10-09 1
USGS 182515065594100 PIEZOMETER CAMPO RICO 1, CAROLINA, PR 2003-04-03 2011-10-18 10
USGS 182540066011300 LAGUNA SAN JOSE 5, CAROLINA, PR 1986-10-15 1986-10-15 1
USGS 182637066023500 LAGUNA SAN JOSE 1, CAROLINA, PR 1986-10-15 1986-10-15 1
USGS 50049720 LAGUNA SAN JOSE NO. 3 AT SAN JUAN, PR 1973-12-03 2005-06-16 122
USGS 50049745 LAGUNA GARDENS 1995-03-16 1995-07-20 3
USGS 50049755 SJ5300 1994-12-15 2005-06-16 45
USGS 50050105 QDA SAN ANTON NR URB. COUNTRY CLUB, CAROLINA PR 2002-02-25 2005-06-21 18
USGS 50050300 QUEBRADA BLASINA NR CAROLINA, PR 1973-09-18 2024-02-27 259
USGS 50050310 QUEBRADA BLASINA AT SABANA GARDENS, SAN JUAN, PR 2002-02-25 2005-06-20 17
USGS 50050335 LAGUNA PINONES NO. 3 NR CAROLINA, PR 1973-12-03 1996-08-30 56
USGS 50050338 PINONES IRRIGATION 1995-03-16 1995-07-20 3
USGS 50050340 LAGUNA PINONES NO. 2 NR CAROLINA, PR 1973-12-03 2005-06-20 37
USGS 50050341 LAGUNA PINONES NO. 01, PR 1993-11-02 1996-08-30 17
USGS 50050357 TRC200 1994-12-15 1995-07-18 13
USGS 50050358 SAN JUAN VORTAC 1995-03-16 1995-07-20 3
USGS 50060000 RIO GRANDE DE LOIZA ABV CAROLINA, PR 1976-05-24 1976-06-02 3
USGS 50061000 RIO GRANDE DE LOIZA AT CAROLINA, PR 1958-03-20 1993-07-02 12
USGS 50061160 RIO CANOVANILLAS AT BARRIO CEDRO, PR 2005-03-09 2005-08-02 2
USGS 50061300 RIO CANOVANILLAS NR LOIZA, PR 1966-04-16 1973-10-09 32
USGS 50061500 RIO CANOVANILLAS AT LOIZA, PR 1958-03-20 1966-04-15 10
  group icon Catano Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 182542066090300 VAQUERIA WELL, CATANO, PR 1965-04-02 1965-04-02 1
USGS 182554066085900 BAC 2 WELL, CATANO, PR 1965-04-02 1965-04-02 1
USGS 182654066090800 WFUE WELL, CATANO, PR 1994-08-31 1994-08-31 1
USGS 50047530 RIO HONDO AT FLOOD CHANNEL NR CATANO, PR 1979-12-06 2015-08-13 160
USGS 50048620 BAHIA DE SAN JUAN NO. 1 AT SAN JUAN, PR 1973-12-05 1995-05-18 25
USGS 50048630 BAHIA DE SAN JUAN NO. 2 AT SAN JUAN, PR 1972-02-20 1995-07-19 17
  group icon Cayey Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 180417066083200 CASILLA GOBERNADOR SPRING, CAYEY, PR 1959-09-11 1959-09-11 1
USGS 180508066092300 PLUN SPRING, CAYEY, PR 1961-07-12 1961-07-12 1
USGS 180552066125300 EPVIE WELL, CAYEY, PR 1978-12-01 1978-12-01 1
USGS 180608066102700 LA BOMBA SPRING, CAYEY, PR 1961-06-09 1961-06-09 1
USGS 180640066100600 MUNOZ RIVERA WELL, CAYEY, PR 1959-05-25 1959-05-25 1
USGS 180649066095500 MINIMA WELL, CAYEY, PR 1959-05-14 2008-05-16 10
USGS 180654066092400 USA 2 WELL, CAYEY, PR 1950-05-11 1959-05-28 10
USGS 180659066092400 USA 1 WELL, CAYEY, PR 1952-03-04 1953-03-18 2
USGS 180707066093800 USA 7 WELL, CAYEY, PR 1950-05-11 1953-03-18 4
USGS 180708066094800 USA 5 WELL, CAYEY, PR 1950-05-11 1952-03-18 4
USGS 180708066095001 USA 4 WELL, CAYEY, PR 1950-05-11 1953-03-18 4
USGS 180709066070600 VEGAS SUR SPRING, CAYEY, PR 1961-06-09 1961-06-09 1
USGS 180712066070400 VEGAS NORTE SPRING, CAYEY, PR 1961-06-09 1961-06-09 1
USGS 50042500 RIO DE LA PLATA AT MATON ABAJO 2012-11-19 2024-02-20 48
USGS 50042800 RIO MATON AT HWY 14 AT MATON ABAJO, PR 2012-11-19 2024-02-20 46
  group icon Ceiba Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181347065403800 ARI WELL, CEIBA, PR 1962-04-26 1962-04-26 1
USGS 181503065385800 CEIBA 20 WELL, CEIBA, PR 1945-11-08 1945-11-08 1
USGS 181530065384400 CEIBA 16 WELL, CEIBA, PR 1945-11-08 1945-11-08 1
USGS 181600065382700 CEIBA 12 WELL, CEIBA, PR 1945-11-08 1945-11-08 1
USGS 50070700 UNNAMED CREEK NR RIO ABAJO, PR 2005-07-19 2010-08-17 3
USGS 50072775 QUEBRADA CEIBA NR CEIBA, PR 2005-07-19 2010-08-16 3
USGS 50072810 QUEBRADA CEIBA AT HWY 979 NR CEIBA, PR 2005-07-21 2015-07-29 9
USGS 50072875 QUEBRADA AGUAS CLARAS AT AGUAS CLARAS, PR 2005-07-21 2010-08-17 3
USGS 50072900 QUEBRADA AGUAS CLARAS NR CEIBA, PR 2005-07-21 2010-08-17 3
USGS 50072940 LAGUNA CEIBA NO.1 CEIBA PR 2011-11-04 2012-08-07 8
USGS 50072950 LAGUNA CEIBA NO.2, CEIBA PR 2011-11-04 2012-08-07 8
USGS 50072975 STORMWATER STATION AT NSRR CEIBA, PR 1999-01-22 2023-09-23 17
USGS 50073100 RIO DAGUAO NR DAGUAO, PR 2005-07-21 2010-08-18 3
USGS 50073225 RIO DAGUAO AT LA ESPERANZA, PR 2005-07-21 2015-07-31 9
USGS 50073275 UNNAMED CREEK NR CEIBA, PR 2005-03-23 2010-08-17 4
  group icon Ciales Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181736066302900 PESAS CIALES METEOROLOGICAL STATION, CIALES, PR 1996-05-01 2000-12-01 30
USGS 182104066281800 ROSSY 3 WELL, CIALES, PR 1977-06-28 1977-06-28 1
USGS 50033000 RIO TORO NEGRO NR CIALES, PR 1958-03-28 2006-08-30 32
USGS 50033200 RIO TORO NEGRO AT POZAS, PR 2006-03-21 2015-08-07 9
USGS 50034500 RIO BAUTA AT POZAS, PR 2006-03-21 2015-08-07 8
USGS 50035000 RIO GRANDE DE MANATI AT CIALES, PR 1968-02-01 2009-11-11 358
USGS 50035500 RIO GRANDE DE MANATI AT HWY 149 AT CIALES, PR 1979-12-04 2024-02-07 214
USGS 50035700 RIO CIALITOS AT HWY 614 NR CIALES, PR 2006-03-22 2006-08-29 2
USGS 50035900 RIO CIALITOS NEAR CIALES, PR 2006-03-22 2006-08-29 3
USGS 50035950 RIO CIALITOS AT HWY 649 AT CIALES, PR 1969-07-16 2024-02-07 252
USGS 50036000 RIO CIALITOS AT CIALES, PR 1958-03-28 1975-06-25 14
  group icon Cidra Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181114066085700 TUGWELL, 1 WELL, CIDRA, PR 1992-12-09 1992-12-09 1
USGS 50040800 RIO DE LA PLATA AT CAYEY, PR 1958-03-26 1965-02-04 9
USGS 50047535 RIO DE BAYAMON AT ARENAS, PR 1992-11-10 1994-02-04 184
USGS 50047537 LAGO DE CIDRA NR RIO BAYAMON MOUTH, PR 1993-01-26 2002-07-19 55
USGS 50047540 RIO SABANA AT VISTA MONTE, PR 1992-11-10 1994-02-15 107
USGS 50047542 RIO DE LA PLATA INTRABASIN FLOW, PR 1992-11-12 1993-12-16 32
USGS 50047543 LAGO DE CIDRA NR RIO SABANA MOUTH, PR 1992-07-27 1995-05-26 15
USGS 50047545 QUEBRADA PRIETA NR CIDRA, PR 1992-11-03 1994-02-03 140
USGS 50047547 LAGO DE CIDRA NR QUEBRADA PRIETA MOUTH, PR 1992-11-30 1995-05-26 17
USGS 50047549 LAGO DE CIDRA NR DAMSITE, PR 1992-07-28 2002-07-19 63
USGS 50047550 LAGO CIDRA AT DAMSITE NEAR CIDRA, PR 1992-07-27 1993-07-12 30
USGS 50047560 RIO DE BAYAMON BLW LAGO DE CIDRA DAM, PR 1993-04-07 2000-08-23 74
USGS 50053900 QDA DE LAS QUEBRADILLAS AT BO. BAYAMON, CIDRA PR 1993-03-24 1993-04-02 2
  group icon Coamo Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 180202066223100 PICO BTR WELL, COAMO, PR 1986-04-09 1986-04-09 1
USGS 180219066222500 BANOS DE COAMO SPRING, COAMO, PR 1960-02-18 2005-01-19 17
USGS 180224066223300 COAMO ARTESIAN WELL, COAMO, PR 1986-04-09 1986-04-09 1
USGS 180242066223400 LA LAGUNA SPRING, COAMO, PR 1960-02-18 1986-04-09 2
USGS 180403066224100 APO WELL, COAMO, PR 1986-04-09 1986-04-09 1
USGS 180519066190600 CUYON 3 WELL, COAMO, PR 1965-03-10 1965-03-10 1
USGS 180555066201100 COOPERATIVA WELL, COAMO, PR 1977-04-01 1977-04-01 1
USGS 50104500 RIO COAMO AT COAMO, PR 1978-01-12 1979-04-19 16
USGS 50105000 RIO COAMO ABV RIO CUYON AT COAMO, PR 1962-02-19 1966-04-11 6
USGS 50105600 RIO CUYON NR COAMO, PR 1965-02-02 1966-04-11 2
USGS 50106000 RIO CUYON AT COAMO, PR 1962-02-19 2015-08-05 13
USGS 50106500 RIO COAMO NR COAMO, PR 1959-02-12 2024-01-31 270
USGS 50108000 RIO DESCALABRADO NR LOS LLANOS, PR 1960-03-14 2011-03-22 24
  group icon Comerio Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181307066133500 PINAS 1 WELL, COMERIO, PR 1959-06-29 1968-01-10 5
USGS 50043575 RIO HONDO AT HWY 776 AT RIO HONDO, PR 1998-03-20 1998-06-16 4
USGS 50043800 RIO DE LA PLATA AT COMERIO, PR 1995-10-03 2004-11-12 61
USGS 50043998 RIO ARROYATA AT MOUTH NR COMERIO, PR 2012-11-20 2024-02-21 45
USGS 50044000 RIO DE LA PLATA NR COMERIO DAMSITE AT HWY 156, PR 1958-03-26 2024-02-21 227
  group icon Corozal Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 50029900 RIO GRANDE DE MANATI NR COROZAL, PR 2006-03-22 2006-08-31 2
USGS 50030130 RIO GRANDE DE MANATI NEAR PALMARITO, COROZAL, PR 2013-07-10 2015-08-06 6
USGS 50038300 RIO COROZAL AT COROZAL, PR 1958-03-25 1979-08-29 38
USGS 50038302 RIO COROZAL ABV SEWAGE TREAT. PLANT AT COROZAL, PR 2013-07-08 2015-08-14 6
USGS 50038320 RIO CIBUCO BLW COROZAL, PR 1969-04-17 2012-08-30 218
USGS 50231507 LAGUNA BAHIA MOSQUITO NO. 4 AT VIEQUES, PR 2016-05-10 2016-07-12 3
USGS 50231513 LAGUNA BAHIA MOSQUITO NO. 5 AT VIEQUES, PR 2016-01-21 2016-07-12 23
USGS 50231520 LAGUNA BAHIA MOSQUITO NO. 6 AT VIEQUES, PR 2016-05-10 2016-07-12 3
  group icon Culebra Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181841065182200 SOCIALES 2 WELL, CULEBRA, PR 1957-10-16 1957-11-15 2
USGS 181911065183400 SOCIALES 1 WELL, CULEBRA, PR 1957-09-30 1957-11-15 2
  group icon Dorado Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 182328066174400 RIO LAJAS 3 SPRING, DORADO, PR 1961-05-20 1961-05-20 1
USGS 182418066172600 ZAFARI 2 WELL, DORADO, PR 1982-10-20 1982-10-20 1
USGS 182423066165000 DIA WELL, DORADO, PR 1992-04-03 1992-04-03 1
USGS 182446066155500 MAGUAYO SPRING, DORADO, PR 1959-02-19 1995-08-16 29
USGS 182452066170300 CANTERA WELL, DORADO, PR 1982-11-11 1982-11-11 1
USGS 182526066165001 PIEZOMETER SANTA ROSA 2 DORADO, PR 2003-02-21 2008-04-18 7
USGS 182548066161300 DDAI WELL, DORADO, PR 1982-10-26 1982-10-26 1
USGS 182548066164401 PIEZOMETER MAGUAYO 2 DORADO, PR 2003-02-24 2008-04-21 4
USGS 182603066161900 GLIN 3 WELL, DORADO, PR 1982-10-26 1982-10-26 1
USGS 182618066161000 INGENIO WELL, DORADO, PR 1978-12-05 1978-12-05 1
USGS 182620066163403 PIEZOMETER HIGUILLAR 4 DORADO, PR 2003-04-29 2008-04-21 5
USGS 182623066160500 SADAI WELL, DORADO, PR 1982-10-26 1982-10-26 1
USGS 182623066181400 FORESTAL MARISMINA WELL, DORADO, PR 1980-02-18 1982-11-04 2
USGS 182630066172800 SAN CARLOS WELL, DORADO, PR 2011-08-30 2014-10-28 2
USGS 182631066164000 KARMA WELL, DORADO, PR 1963-01-04 1963-01-04 1
USGS 182638066153300 LA PLATA WELL, DORADO, PR 1982-10-26 1982-10-26 1
USGS 182701066182200 NC-2 WELL, DORADO, PR 1986-05-08 1986-06-13 10
USGS 182721066153300 SCORBE WELL, DORADO, PR 1973-07-11 1973-07-11 1
USGS 182723066172400 SARO 1 WELL, DORADO, PR 1982-10-28 1992-03-19 2
USGS 182724066155100 JGRA WELL, DORADO, PR 1992-03-25 1992-03-25 1
USGS 182731066172400 DBEA 5 WELL, DORADO, PR 1982-12-16 1982-12-16 1
USGS 182735066172400 DEAB 3 WELL, DORADO, PR 1971-07-30 1971-07-30 1
USGS 182738066151700 LA JULIA WELL, DORADO, PR 1982-10-27 1982-10-27 1
USGS 182739066182700 PIEZOMETER BO. HIGUILLAR 3, DORADO, PR 1992-04-06 1992-04-06 1
USGS 182746066170800 DORADO BEACH 7 WELL, DORADO, PR 1992-03-31 1992-03-31 1
USGS 182746066172500 DBEA 4 WELL, DORADO, PR 1982-12-16 1982-12-16 1
USGS 182749066172400 DBEA 2 WELL, DORADO, PR 1971-07-30 1971-07-30 1
USGS 182804066173500 DORADO AIRPORT WELL, DORADO, PR 1982-10-25 1992-03-20 2
USGS 182838066181500 DBEA 9 WELL, DORADO, PR 1962-04-18 1962-04-18 1
USGS 50039840 LAGUNA MATA REDONDA NO.2 DORADO PR 2011-11-02 2012-08-08 8
USGS 50039850 LAGUNA MATA REDONDA NO.1 DORADO PR 2011-11-02 2012-08-08 8
USGS 50045700 RIO LAJAS AT TOA ALTA, PR 1966-09-30 1975-12-12 59
USGS 50046000 RIO DE LA PLATA AT HWY 2 NR TOA ALTA, PR 1958-03-26 2024-02-14 645
USGS 50047300 RIO DE LA PLATA AT DORADO, PR 1970-01-21 1970-01-21 1
  group icon Fajardo Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181706065420400 PIEZOMETER USGS RF 1, FAJARDO, PR 1994-11-10 1994-11-10 1
USGS 181744065413700 PIEZOMETER USGS RF 2, FAJARDO, PR 1994-11-16 1994-11-16 1
USGS 181802065383800 PIEZOMETER USGS RF 17, FAJARDO, PR 1994-12-08 1994-12-08 1
USGS 181806065395900 PIEZOMETER USGS RF 9, FAJARDO, PR 1994-11-17 1994-11-17 1
USGS 181819065391300 PIEZOMETER USGS RF 16, FAJARDO, PR 1994-12-15 1994-12-15 1
USGS 181840065393100 PIEZOMETER USGS RF 6, FAJARDO, PR 1994-12-06 1994-12-06 1
USGS 181847065391301 RIO FAJARDO BELOW FAJARDO WWTP OUTFALL 2013-03-25 2013-03-25 4
USGS 181854065384600 PIEZOMETER USGS RF 14, FAJARDO, PR 1994-10-26 1994-10-26 1
USGS 181901065394000 PIEZOMETER USGS RF 7, FAJARDO, PR 1994-11-15 1994-11-15 1
USGS 181917065382701 PIEZOMETER RIO FAJARDO 12 FAJARDO, PR 2003-04-04 2008-04-04 5
USGS 181934065385400 FESA FAJARDO 1 WELL, FAJARDO, PR 1960-07-01 1960-07-01 1
USGS 181942065385300 PIEZOMETER USGS RF 15, FAJARDO, PR 1994-11-14 1994-11-14 1
USGS 182017065395700 GRAM WELL, FAJARDO, PR 1961-02-24 1961-02-24 1
USGS 182037065381000 PROB F2 WELL, FAJARDO, PR 1962-04-25 1962-04-25 1
USGS 182048065400300 ZAL 1 WELL, FAJARDO, PR 1962-04-25 1962-04-25 1
USGS 182056065403400 JMAR WELL, FAJARDO, PR 1962-04-25 1962-04-25 1
USGS 182058065391600 AND 2 WELL, FAJARDO, PR 1945-11-07 1961-02-21 2
USGS 182113065393300 PIEZOMETER QF 1, FAJARDO, PR 1994-12-12 1994-12-12 1
USGS 182127065385800 SOT WELL, FAJARDO, PR 1945-11-07 1945-11-07 1
USGS 182146065384800 SSAN WELL, FAJARDO, PR 1962-04-25 1962-04-25 1
USGS 50069300 TRIBUTARY TO RIO JUAN MARTIN AT HWY 3, PR 1995-02-09 1995-02-09 1
USGS 50069390 QUEBRADA FAJARDO AT HWY 3 ABV CULVERT, PR 2005-07-19 2010-08-19 3
USGS 50069400 QUEBRADA FAJARDO AT HWY 194, PR 1995-02-09 2010-08-19 4
USGS 50069410 QUEBRADA FAJARDO AT CONVENTO, PR 2005-07-19 2010-08-19 3
USGS 50069500 LAGUNA AGUAS PRIETAS NO.2 FAJARDO PR 2011-11-03 2012-08-06 10
USGS 50069550 LAGUNA AGUAS PRIETAS NO.1 FAJARDO PR 2011-11-03 2012-08-06 10
USGS 50069600 LAGUNA GRANDE STATION NUMBER 8 2006-03-29 2012-08-06 40
USGS 50069610 LAGUNA GRANDE STATION NUMBER 7 2006-03-29 2006-09-26 8
USGS 50069620 LAGUNA GRANDE STATION NUMBER 6 2006-03-29 2012-08-06 38
USGS 50069630 LAGUNA GRANDE STATION NUMBER 4 2006-03-29 2006-09-26 8
USGS 50069640 LAGUNA GRANDE STATION NUMBER 5 2006-03-29 2006-09-26 4
USGS 50069650 LAGUNA GRANDE STATION NUMBER 3 2006-03-29 2006-09-26 4
USGS 50069660 LAGUNA GRANDE STATION NUMBER 1 2006-03-29 2006-09-26 8
USGS 50069670 LAGUNA GRANDE STATION NUMBER 2 2006-03-29 2006-09-26 8
USGS 50070500 RIO FAJARDO ABV FAJARDO, PR 1996-10-28 2000-09-16 55
USGS 50070905 RIO FAJARDO BLW RIO FAJARDO DAM INTAKE, PR 2005-07-19 2010-08-17 3
USGS 50071000 RIO FAJARDO NR FAJARDO, PR 1961-02-21 2012-08-16 535
USGS 50071190 UNNAMED CREEK AT ESTANCIAS DE SAN PEDRO, PR 2005-07-19 2010-08-17 3
USGS 50071195 QUEBRADA TRIBUTARIA DEL RIO FAJARDO AT VAPOR, PR 2005-09-15 2010-08-17 3
USGS 50071950 QUEBRADA SAN PEDRO AT SAN PEDRO, PR 2005-07-19 2010-08-19 3
USGS 50072000 RIO FAJARDO AT FAJARDO, PR 1958-09-11 2010-08-18 81
USGS 50072500 RIO FAJARDO BLW FAJARDO, PR 1974-04-02 2024-02-13 217
USGS 50072605 QUEBRADA MATA REDONDA NR SANTA RITA, PR 2005-07-19 2010-08-17 3
USGS 50072690 RIO DEMAJAGUA NR MACHOS, PR 2005-07-19 2010-08-17 3
USGS 50072700 RIO DEMAJAGUA AT DEMAJAGUA, PR 1995-02-13 2015-07-29 10
  group icon Florida Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 182133066342800 FLORIDA 7 WELL, FLORIDA, PR 1978-09-26 1995-02-13 5
USGS 182203066324400 FLORIDA 6 P WELL, FLORIDA, PR 1976-03-12 1989-05-25 6
USGS 182209066340600 FLORIDA 1 WELL, FLORIDA, PR 1978-07-01 1982-09-01 7
USGS 182249066321500 FLORIDA ADENTRO SPRING FLORIDA, PR 1960-08-09 1960-08-09 1
USGS 182328066423500 SAN AGUSTIN RAINGAGE, FLORIDA, PR 2002-09-01 2013-07-01 60
USGS 50026400 RIO YUNES AT HWY 140 NR FLORIDA, PR 2002-11-13 2005-09-06 10
  group icon Guanica Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 175611066572200 VMAT WELL, GUANICA, PR 1960-02-12 1960-02-12 1
USGS 175643066570700 CHER 1 WELL, GUANICA, PR 1962-12-20 1962-12-20 1
USGS 175644066570800 CHER 2 WELL, GUANICA, PR 1962-12-20 1962-12-20 1
USGS 175720066524700 HCMAR WELL, GUANICA, PR 1971-06-03 1971-06-03 1
USGS 175741066550400 DELFIN 2 WELL, GUANICA, PR 1963-05-22 1963-05-28 2
USGS 175742066550600 DELFIN 1 WELL, GUANICA, PR 1963-05-28 1963-05-28 1
USGS 175813066555000 CENTRAL GUANICA 2 WELL, GUANICA, PR 1963-07-06 1963-07-06 1
USGS 175814066543200 PIEZOMETER USGS 5, GUANICA, PR 1963-05-14 1963-05-14 1
USGS 175815066543700 PIEZOMETER USGS 2 SOUTH, GUANICA, PR 1966-06-13 1966-06-13 1
USGS 175821066542600 EMCD WELL, GUANICA, PR 1963-06-13 1963-06-13 1
USGS 175824066541700 PIEZOMETER USGS 6, GUANICA, PR 1966-06-13 1966-06-13 1
USGS 175824066541701 PIEZOMETER USGS 1 SOUTH, GUANICA, PR 1966-06-13 1966-06-13 1
USGS 175830066545400 GUANICA W6 ESTACION M WELL, GUANICA, PR 1981-10-22 1981-10-22 1
USGS 175831066550101 CENTRAL GUANICA 1 WELL, GUANICA, PR 1962-11-27 1963-07-28 6
USGS 175835066541800 PIEZOMETER USGS 4, GUANICA, PR 1966-06-13 1966-06-13 1
USGS 175838066541800 PIEZOMETER USGS 3 SOUTH, GUANICA, PR 1966-06-13 1966-06-13 1
USGS 175842066560300 SEP WELL, GUANICA, PR 1963-05-25 1963-05-25 1
USGS 175853066543000 SOUTH SUGAR 1 WELL, GUANICA, PR 1960-11-01 1963-07-30 2
USGS 175854066542800 SOUTH SUGAR 2 WELL, GUANICA, PR 1963-04-09 1963-07-30 2
USGS 175858066542100 ANTONIA 7 WELL, GUANICA, PR 1962-11-28 1963-07-30 3
USGS 175858066553900 ADTIE 2A WELL, GUANICA, PR 1962-12-04 1963-07-28 4
USGS 175904066540200 ANTONIA 4 WELL, GUANICA, PR 1962-11-27 1963-07-30 3
USGS 175907066542100 ANTONIA 6 WELL, GUANICA, PR 1962-11-27 1963-07-30 3
USGS 175908066552900 ADTIE 7 WELL, GUANICA, PR 1963-04-04 1963-04-04 1
USGS 175911066543400 ADTIE 5 WELL, GUANICA, PR 1962-11-27 1965-05-07 4
USGS 175913066535700 CNIT 1 WELL, GUANICA, PR 1958-01-01 1958-01-01 1
USGS 175914066544000 FUIG SPRING, GUANICA, PR 1981-10-22 1981-10-22 1
USGS 175918066540800 PIEZOMETER 6, GUANICA, PR 1981-10-21 1981-10-21 1
USGS 175918066541800 ANTONIA 3 WELL, GUANICA, PR 1962-11-27 1981-10-21 4
USGS 175919066535800 ANTONIA 9 WELL, GUANICA, PR 1962-11-27 1981-10-21 3
USGS 175921066534700 ANTONIA 1 WELL, GUANICA, PR 1962-11-27 1963-07-30 3
USGS 175921066545500 SROD WELL, GUANICA, PR 1963-06-13 1963-06-13 1
USGS 175922066542800 ADTIE 4A WELL, GUANICA, PR 1962-11-27 1963-07-29 3
USGS 175933066535300 ANTONIA 10 WELL, GUANICA, PR 1963-04-11 1963-07-29 2
USGS 175938066544100 IGUALDAD 4 WELL, GUANICA, PR 1962-11-27 1981-10-21 6
USGS 175942066544400 PIEZOMETER GUANICA NO. 11, GUANICA, PR 1981-10-22 1981-10-22 1
USGS 175947066583900 JRAM WELL, GUANICA, PR 1962-05-10 1962-05-10 1
USGS 175950066550300 ARE WELL, GUANICA, PR 1963-04-09 1963-04-09 1
USGS 175953066535300 IGUALDAD 3 PRLA WELL, GUANICA, PR 1962-11-27 1969-07-30 3
USGS 175955066535000 IGUALDAD 2 PRLA WELL, GUANICA, PR 1962-11-27 1963-07-29 2
USGS 175956066550500 HIR 1 WELL, GUANICA, PR 1963-07-03 1963-07-03 1
USGS 175958066533700 IGUALDAD 1 PRLA WELL, GUANICA, PR 1962-07-27 1963-07-29 3
USGS 175958066551000 VORT WELL, GUANICA, PR 1963-07-03 1963-07-03 1
USGS 180000066532900 SANTA RITA 7 WELL, GUANICA, PR 1963-02-20 1981-10-21 3
USGS 180002066523800 WINDMILL W2 WELL, AT BO LA JOYA, GUANICA, PR 1981-10-20 1981-10-20 1
USGS 180006066531600 SANTA RITA 6 WELL, GUANICA, PR 1962-11-27 1967-07-29 4
USGS 180009066533000 NIC WELL, GUANICA, PR 1963-07-03 1963-07-03 1
USGS 180015066551600 ORT 1 WELL, GUANICA, PR 1963-06-13 1963-06-13 1
USGS 180016066542500 PIEZOMETER GUANICA 26, GUANICA, PR 1981-10-21 1981-10-21 1
USGS 180021066550700 VEGA WELL, GUANICA, PR 1963-07-03 1963-07-03 1
USGS 180022066543900 ECH 1 WELL, GUANICA, PR 1963-07-03 1963-07-03 1
USGS 180027066532500 MER WELL, GUANICA, PR 1963-07-03 1963-07-03 1
USGS 180027066542400 GAR 1 WELL, GUANICA, PR 1963-07-03 1963-07-03 1
USGS 180030066540200 SAN 1 WELL, GUANICA, PR 1963-02-03 1963-03-03 2
USGS 180032066551200 16 C ABANDONED CASING WELL, GUANICA, PR 1981-10-19 1981-10-19 1
USGS 180033066533300 ORT WELL, GUANICA, PR 1962-11-28 1963-07-28 3
USGS 180033066551100 PR LAND 2 WELL, GUANICA, PR 1956-07-16 1957-01-17 3
USGS 180041066532000 PIEZOMETER GUANICA 19, GUANICA, PR 1981-10-21 1981-10-21 1
USGS 180041066542600 FRATERNIDAD 1 WELL, GUANICA, PR 1986-03-27 1986-03-27 1
USGS 180041066542800 PIEZOMETER GUANICA 18, GUANICA, PR 1981-10-21 1981-10-21 1
USGS 180044066530100 SECO WELL, GUANICA, PR 1962-11-27 1963-06-16 2
USGS 180045066525500 SANTA RITA 5 BTR WELL, GUANICA, PR 1962-11-27 1963-07-29 3
USGS 180053066523700 SANTA RITA 2 WELL, GUANICA, PR 1963-01-23 1963-11-27 4
USGS 180053066551300 PR LAND 1 WELL, GUANICA, PR 1956-01-12 1956-05-14 9
USGS 180056066534600 PIEZOMETER GUANICA 24, GUANICA, PR 1981-10-22 1981-10-22 1
USGS 180058066525400 SITE L1 AT IRRIGATION LAKE BO PALOMAS, GUANICA, PR 1981-10-20 1981-10-20 1
USGS 180108066540800 SITE L2 IRRIGATION LAKE AT SUSUA BAJA, GUANICA, PR 1981-10-20 1981-10-20 1
USGS 180112066540100 SITE L3 IRRIGATION LAKE AT SUSUA BAJA, GUANICA, PR 1981-10-20 1981-10-20 1
USGS 180122066560300 ARENAS 1 WELL, GUANICA, PR 1986-06-20 1986-06-20 1
USGS 185758066543700 OCHOA WELL, C333 NR INT. C116, GUANICA, PR 1986-03-27 1986-11-18 4
USGS 50129100 RIO LOCO NR BO. SUSUA, PR 1958-09-24 1985-12-06 7
USGS 50129260 RIO LOCO AT HWY 116 NEAR CANAS, GUANICA, PR 2006-03-01 2011-03-23 3
USGS 50129500 RIO LOCO NR GUANICA, PR 1964-01-15 1974-01-08 31
USGS 50129600 RIO LOCO BLW LAJAS DRAINAGE CANAL, GUANICA, PR 2006-03-01 2015-08-10 16
USGS 50129700 RIO LOCO AT GUANICA, PR 1975-02-11 2004-08-24 164
  group icon Guayama Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 175646066082100 LUCE 4 BTR WELL, GUAYAMA, PR 1961-10-31 1962-03-27 2
USGS 175659066093200 PIEZOMETER E-1, GUAYAMA, PR 1986-09-11 1986-09-11 1
USGS 175659066093201 PIEZOMETER E-2, GUAYAMA, PR 1986-09-11 1986-09-11 1
USGS 175659066093600 PIEZOMETER USGS E2, GUAYAMA, PR 1987-05-21 1987-05-21 1
USGS 175710066092300 JOS SUR WELL, GUAYAMA, PR 1986-04-01 1986-04-01 2
USGS 175716066083400 PHIL DOMESTIC WELL, GUAYAMA, PR 1987-10-09 1987-10-09 1
USGS 175716066104200 P SPRING, GUAYAMA, PR 1962-04-17 1962-04-17 1
USGS 175719066085500 PHILPET 13 WELL, GUAYAMA, PR 2003-03-14 2015-01-27 16
USGS 175721066090200 PIEZOMETER A-1 DEEP, GUAYAMA, PR 1986-08-20 1986-08-20 1
USGS 175721066090201 PIEZOMETER A-2, GUAYAMA, PR 1986-09-12 1986-09-12 1
USGS 175723066100800 PIEZOMETER USGS 7, GUAYAMA, PR 1966-06-08 1966-06-08 1
USGS 175728066072200 BARRANCA DUG WELL, GUAYAMA, PR 2003-03-14 2004-04-15 6
USGS 175728066100900 CSISO WELL, GUAYAMA, PR 2007-05-02 2007-05-02 1
USGS 175730066065100 MACHETE DOMESTIC WELL, GUAYAMA, PR 1961-10-31 1962-03-27 2
USGS 175732066084500 PIEZOMETER C-1 DEEP, GUAYAMA, PR 1986-08-19 1986-09-12 2
USGS 175732066091900 JOS NORTE BTR WELL, GUAYAMA, PR 1964-10-21 1986-08-13 6
USGS 175733066095700 PUENTE DE JOBOS WELL, GUAYAMA, PR 1986-02-12 1987-08-21 5
USGS 175740066073200 PIONEER BARRANCAS, GUAYAMA, PR 2011-07-01 2014-11-04 3
USGS 175754066072200 PICA WELL, GUAYAMA, PR 1986-04-01 1986-08-12 4
USGS 175754066084100 FIB 1 WELL, GUAYAMA, PR 1986-03-26 1986-03-26 2
USGS 175755066105000 HBRU WELL, GUAYAMA, PR 1964-10-21 2014-10-14 7
USGS 175756066082900 REUNION DW-1 WELL, GUAYAMA, PR 1961-10-31 1962-03-27 2
USGS 175757066102600 PMOR SUR WELL, GUAYAMA, PR 1986-08-13 1986-08-13 2
USGS 175757066113500 PIEZOMETER USGS 9, GUAYAMA, PR 1966-07-14 1966-07-14 1
USGS 175805066105500 CC WELL, GUAYAMA, PR 1986-03-21 1986-03-21 2
USGS 175807066063600 CROT 1 WELL, GUAYAMA, PR 1961-10-31 1962-03-27 2
USGS 175808066120600 CCAR WELL, GUAYAMA, PR 1986-04-01 1988-03-15 5
USGS 175810066105800 CAU 4 WELL, GUAYAMA, PR 1965-03-09 1965-03-09 1
USGS 175814066102200 JOBOS WELL, GUAYAMA, PR 2003-03-14 2005-02-18 8
USGS 175823066101300 LA JUANA 2 WELL, GUAYAMA, PR 1961-10-31 1964-10-21 3
USGS 175840066102100 PMOR NORTE WELL, GUAYAMA, PR 1986-03-25 1986-03-25 2
USGS 175853066101400 JUA 4 WELL, GUAYAMA, PR 1961-10-31 1962-03-27 2
USGS 175855066050500 ALGARROBOS DOMESTIC WELL, GUAYAMA, PR 2003-02-20 2004-04-15 7
USGS 175858066100200 JUA 5 WELL, GUAYAMA, PR 2003-03-14 2008-05-14 11
USGS 175906066042301 BANOS DE VIRELLA SPRING, GUAYAMA, PR 1960-02-19 1960-02-19 1
USGS 175912066120400 MPOT 2 WELL, GUAYAMA, PR 1986-03-20 1986-03-20 2
USGS 175933066120400 PIEZOMETER AGUIRRE HW 23, GUAYAMA, PR 1988-09-02 1988-09-02 1
USGS 175939066121403 PIEZOMETER AGUIRRE HW 8D, GUAYAMA, PR 1988-07-13 1988-07-13 1
USGS 175942066070700 VROV WELL, GUAYAMA, PR 1961-11-02 1986-03-26 4
USGS 175946066102003 PIEZOMETER POZO HONDO HW 14D, GUAYAMA, PR 1988-07-29 1988-08-02 2
USGS 175955066103003 PIEZOMETER POZO HONDO HW 15D, GUAYAMA, PR 1988-09-08 1988-09-08 1
USGS 175957066121500 PIEZOMETER AGUIRRE HW 19, GUAYAMA, PR 1988-07-07 1988-07-07 2
USGS 180001066122002 PIEZOMETER AGUIRRE HW 3C, GUAYAMA, PR 1988-06-13 1988-06-17 3
USGS 180049066120500 MANGO 1 WELL, GUAYAMA, PR 1960-10-13 1960-10-13 1
USGS 180400066055700 LAGO CARITE 2 NR TUNNEL, GUAYAMA, PR 1977-11-09 1978-01-10 5
USGS 180439066061900 LAGO CARITE 1 NR DAM, GUAYAMA, PR 1977-11-09 1982-02-25 12
USGS 180504066060300 LAGO CARITE 3 ON RIO DE LA PLATA, GUAYAMA, PR 1977-11-09 1982-02-25 11
USGS 50039900 LAGO CARITE NO. 3 AT RIO DE LA PLATA NR CAYEY, PR 1978-01-10 2002-07-15 105
USGS 50039950 LAGO CARITE NO. 1 NR DAMSITE NR CAYEY, PR 1978-01-10 2002-07-15 147
USGS 50040000 RIO DE LA PLATA AT LAGO CARITE, PR 1978-08-01 1978-08-01 1
USGS 50094523 QUEBRADA CORAZON AT PUERTO ARROYO, GUAYAMA, PR 2006-02-27 2010-10-18 2
USGS 50094530 QUEBRADA BRANDERI AT HWY 748, GUAYAMA, PR 2006-02-27 2011-03-21 3
USGS 50094700 CARITE HYDROELECTRIC PLANT NO. 3 DISCHARGE, PR 1961-05-02 1962-02-06 9
USGS 50095200 RIO GUAMANI AT GUAYAMA, PR 1961-07-06 1971-04-30 29
USGS 50095210 RIO GUAMANI AT HIGHWAY 15, GUAYAMA, PR 2006-02-27 2011-03-21 3
USGS 50095500 RIO GUAMANI NR GUAYAMA, PR 1960-12-03 2010-10-18 30
USGS 50095550 RIO GUAMANI AT MACHETE, GUAYAMA, PR 2006-02-27 2011-03-21 3
USGS 50095900 QUEBRADA MELANIA NR JOBOS, PR 2006-02-27 2011-03-21 3
USGS 50096000 RIO MELANIA AT JOBOS, PR 1960-03-14 1964-05-13 9
USGS 50096010 QUEBRADA MELANIA AT RAILROAD CROSSING, GUAYAMA, PR 2006-02-27 2015-08-31 10
USGS 50096990 QUEBRADA CIMARRONA AT HIGHWAY 713, GUAYAMA, PR 2006-02-27 2011-03-21 3
USGS 50097000 QUEBRADA CIMARRON NR JOBOS, PR 1961-10-31 1961-10-31 1
USGS 50097010 QUEBRADA CIMARRONA AT MOUTH, GUAYAMA, PR 2010-10-18 2010-10-18 1
USGS 50097500 RIO SECO AT VILLODAS, GUAYAMA, PR 2010-10-18 2011-03-21 2
USGS 50097800 RIO SECO NR CENTRAL GUAMANI, PR 1960-09-15 2011-03-21 9
USGS 50098000 RIO SECO AT CENTRAL GUAMANI, PR 1961-08-10 2011-03-21 35
USGS 50098550 LAGUNA POZUELO NO.2 GUAYAMA, PR 2011-11-08 2012-08-09 5
USGS 50098560 LAGUNA POZUELO NO.1, GUAYAMA, PR 2011-11-08 2012-08-09 5
  group icon Guayanilla Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 175833066484700 SAN FRANCISCO 2 WELL, GUAYANILLA, PR 1960-10-19 1962-07-12 14
USGS 175840066494100 CRIOLLO 3 WELL, GUAYANILLA, PR 1962-08-15 2008-03-18 3
USGS 175852066493800 CRIOLLO 1 WELL, GUAYANILLA, PR 1960-10-20 1960-10-20 1
USGS 175857066490000 PIEZOMETER USGS 3, GUAYANILLA, PR 1967-04-13 1967-04-13 1
USGS 175858066492000 LLU 3 WELL, GUAYANILLA, PR 1960-10-19 1962-07-12 16
USGS 175902066491800 LLU 8 WELL, GUAYANILLA, PR 1960-10-19 1962-03-01 2
USGS 175909066485900 PIEZOMETER USGS 7, GUAYANILLA, PR 1966-06-14 1966-06-14 1
USGS 175911066491200 PIEZOMETER USGS 8, GUAYANILLA, PR 1966-06-14 1966-06-14 1
USGS 175917066494800 LLU 6 WELL, GUAYANILLA, PR 1960-10-19 1961-03-01 2
USGS 175921066483500 PIEZOMETER USGS 6, GUAYANILLA, PR 1966-06-14 1966-06-14 1
USGS 175922066481400 PIEZOMETER USGS 4, GUAYANILLA, PR 1966-06-14 1966-06-14 1
USGS 175925066482600 PIEZOMETER USGS 5, GUAYANILLA, PR 1966-06-14 1966-06-14 1
USGS 175935066485900 BROWN CASITA WELL, GUAYANILLA, PR 1960-10-19 1960-10-19 1
USGS 175949066484800 LLU 4 WELL, GUAYANILLA, PR 1960-10-19 1960-10-19 1
USGS 175957066483700 LLU BTR WELL, GUAYANILLA, PR 1960-10-21 1962-03-01 3
USGS 180012066475500 PIEZOMETER USGS SALINITY 10, GUAYANILLA, PR 1967-04-14 1967-04-14 1
USGS 180013066451000 FFLU 1 WELL, GUAYANILLA, PR 1959-03-11 1965-01-11 2
USGS 180014066472300 PIEZOMETER USGS SALINITY 11, GUAYANILLA, PR 1967-04-14 1967-04-14 1
USGS 180022066451700 PRSHE 2 WELL, GUAYANILLA, PR 1960-10-21 1962-08-10 16
USGS 180022066475400 PIEZOMETER USGS SALINITY 9, GUAYANILLA, PR 1967-04-14 1967-04-14 1
USGS 180023066470900 PIEZOMETER USGS SALINITY 12, GUAYANILLA, PR 1967-04-14 1967-04-14 1
USGS 180029066473200 PIEZOMETER USGS SALINITY 8, GUAYANILLA, PR 1967-04-14 1967-04-14 1
USGS 180031066470100 PIEZOMETER USGS SALINITY 13, GUAYANILLA, PR 1967-04-14 1967-04-14 1
USGS 180038066470200 PIEZOMETER USGS SALINITY 14, GUAYANILLA, PR 1967-04-14 1967-04-14 1
USGS 180041066454600 BUENA VISTA 2 WELL, GUAYANILLA, PR 1960-10-19 1960-10-19 1
USGS 180042066474500 SUGAR MILL 2 WELL, GUAYANILLA, PR 1960-10-21 2014-10-24 3
USGS 180048066462700 PIEZOMETER USGS SALINITY 4, GUAYANILLA, PR 1967-04-13 1967-04-13 1
USGS 180052066471000 MER 3 WELL, GUAYANILLA, PR 1960-10-20 1962-08-10 16
USGS 180054066461200 PIEZOMETER USGS SALINITY 3, GUAYANILLA, PR 1967-04-14 1967-04-14 1
USGS 180102066472501 RUFINA BUILDING 2 WELL, GUAYANILLA, PR 1960-10-20 1961-04-20 3
USGS 180109066474001 BLAS 2 WELL, GUAYANILLA, PR 1960-10-20 1960-10-20 1
USGS 180123066474800 XABREL WELL, GUAYANILLA, PR 1960-10-20 1960-10-20 1
USGS 180124066471600 MER 11 WELL, GUAYANILLA, PR 1960-10-20 1960-10-20 1
USGS 180129066453900 STE 2 WELL, GUAYANILLA, PR 1960-10-19 1960-10-19 1
USGS 180131066473900 MATADERO WELL, GUAYANILLA, PR 1960-10-20 1960-10-20 1
USGS 180135066454900 PAC WELL, GUAYANILLA, PR 1961-03-09 1962-02-27 2
USGS 180139066475200 JORDAN WELL, GUAYANILLA, PR 1960-10-20 1960-10-20 1
USGS 180142066475600 MER 9 WELL, GUAYANILLA, PR 1960-10-20 1961-05-16 3
USGS 180209066481100 MERLO 2 WELL, GUAYANILLA, PR 1961-03-10 1962-03-01 2
USGS 180322066465800 STE 9 WELL, GUAYANILLA, PR 1961-10-21 1962-02-28 2
USGS 50122500 RIO MACANA NR PENUELAS, PR 1960-10-19 1966-04-12 7
USGS 50122600 RIO MACANA NEAR MAGAS ARRIBA, GUAYANILLA, PR 2006-03-03 2011-03-23 3
USGS 50123000 RIO MACANA NR GUAYANILLA, PR 1960-10-19 1974-09-11 3
USGS 50123190 RIO GUAYANILLA AT HWY 381, GUAYANILLA, PR 2006-03-01 2011-03-23 3
USGS 50123200 RIO GUAYANILLA AT BO. MACANA, PR 1958-09-24 1979-08-17 39
USGS 50123400 QUEBRADA CONSEJO NR GUAYANILLA, PR 1962-02-28 1962-02-28 1
USGS 50124000 RIO GUAYANILLA NR GUAYANILLA, PR 1960-10-19 1970-04-07 114
USGS 50124500 RIO GUAYANILLA AT GUAYANILLA, PR 1960-03-16 1977-01-07 54
USGS 50124700 RIO GUAYANILLA AT CENTRAL RUFINA, PR 1960-10-19 2024-01-31 266
USGS 50128000 RIO YAUCO NR YAUCO, PR 1960-12-16 1981-11-16 46
USGS 50128100 RIO YAUCO AT CENTRAL SAN FRANCISCO, PR 1960-10-20 1974-12-11 15
USGS 50128110 RIO YAUCO AT HWY 136, PR 2006-03-01 2015-04-06 16
USGS 50128135 UNNAMED CREEK AT HWY 333, GUAYANILLA, PR 2010-10-20 2010-10-20 1
  group icon Guaynabo Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 182450066072000 FBUC 5 WELL, GUAYNABO, PR 1950-05-08 1950-05-08 1
USGS 182510066070800 PRCEM 2 WELL, GUAYNABO, PR 1956-01-10 1956-01-10 1
USGS 182528066065200 USGS CFWSC GUAYANABO PR LAB 2022-08-18 2023-07-28 3
USGS 182531066075900 PIEZOMETER BLDG 652 GUAYNABO, PR 2004-02-06 2008-04-02 3
USGS 182532066065801 USGS BLDG 652 WELL, GUAYNABO, PR 1958-05-01 1984-07-01 233
USGS 182533066064500 FORT BUCHANAN NC-1 WELL, GUAYNABO, PR 1986-04-30 1986-05-02 2
USGS 50047890 RIO GUAYNABO AT LA MUDA NR GUAYNABO, PR 1974-08-15 1974-12-06 3
USGS 50047895 RIO GUAYNABO AT HWY 836 NR GUAYNABO, PR 1974-08-15 1979-08-24 33
USGS 50047950 RIO GUAYNABO AT HWY 833 AT GUAYNABO, PR 1960-03-28 1966-04-13 9
USGS 50047953 RIO GUAYNABO BLW GUAYNABO, PR 1959-02-22 1959-02-22 1
USGS 50047990 RIO GUAYNABO NR BAYAMON, PR 1971-03-16 2024-02-05 226
USGS 50048565 QUEBRADA SANTA CATALINA NEAR GUAYNABO, PR 2009-03-24 2023-08-30 50
USGS 50048570 LAS CASAS LAKE AT FORT BUCHANAN, GUAYNABO, PR 2020-09-01 2023-08-31 6
USGS 50048580 UNNAMED CREEK AT FORT BUCHANAN, GUAYNABO, PR 2009-03-24 2023-08-30 55
USGS 50049600 QUEBRADA MARGARITA AT QUEBRADA HEIGHTS, PR 1972-09-21 1976-06-03 8
USGS 50999999 USGS AT BLDG 651 METEOROLOGICAL ST., GUAYNABO, PR 1997-04-16 1997-04-16 1
  group icon Gurabo Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181337066004100 GNAV WELL, GURABO, PR 1990-04-19 1990-04-19 2
USGS 181503065565600 CSAN WELL, GURABO, PR 1990-07-09 1990-07-09 1
USGS 181503065571700 BER WELL, GURABO, PR 1990-04-30 1990-04-30 1
USGS 181524065573900 PJMOR WELL, GURABO, PR 1987-06-30 1990-08-23 2
USGS 181531066002600 KOFRESI WELL, GURABO, PR 1946-02-04 1946-02-04 1
USGS 181544065583200 ODAV WELL, GURABO, PR 1990-04-26 1990-04-26 1
USGS 181548065590700 EEA GURABO 3 WELL, GURABO, PR 1982-07-12 1982-07-12 1
USGS 181550065593200 PIEZOMETER USGS 50, GURABO, PR 1957-04-17 2004-01-09 4
USGS 181550066002700 PIEZOMETER CJ 8, GURABO, PR 1987-08-10 1987-08-10 1
USGS 181625065570400 VSAN WELL, GURABO, PR 1980-07-01 1980-07-01 1
USGS 50052900 QUEBRADA LAS BAMBUAS AT MOUTH, PR 2014-08-07 2015-03-10 2
USGS 50055080 RIO GRANDE DE LOIZA ABV LAGO LOIZA, PR 1973-12-13 1974-09-11 8
USGS 50057000 RIO GURABO AT GURABO, PR 1958-09-10 2005-11-04 285
USGS 50057025 RIO GURABO NR GURABO, PR 1979-11-27 2024-02-12 204
USGS 50057050 RIO GURABO ABV LAGO LOIZA, PR 1973-12-13 1974-09-11 9
USGS 50057500 LAGO LOIZA NO. 4 NR MOUTH NR CAGUAS, PR 1973-11-20 2015-03-12 110
USGS 50058600 LAGO LOIZA STATION NO. 5, PR 1973-11-20 1974-10-29 36
  group icon Hatillo Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 182006066564600 SALTO COLLAZO SPRING NR SAN SEBASTIAN, HATILLO, PR 1982-12-01 1995-04-05 3
USGS 182056066491100 EMPALME SPRING, HATILLO, PR 1989-06-16 1989-06-16 2
USGS 182150066483600 DEL MUERTO SPRING, HATILLO, PR 1960-04-01 1960-04-01 1
USGS 182236066461500 ESP 2 WELL, HATILLO, PR 1985-05-21 1985-05-21 1
USGS 182246066463900 ESP 1 WELL, HATILLO, PR 1985-05-21 1985-05-21 1
USGS 182309066480900 HATILLO SPRING HATILLO, PR 1960-08-03 1960-08-03 1
USGS 182315066482800 RSCH SPRING, HATILLO, PR 1960-05-27 1960-05-27 1
USGS 182320066471100 CAL SPRING, HATILLO, PR 1960-06-24 1960-06-24 1
USGS 182322066474900 UNKNOWN SPRING HATILLO, PR 1960-06-24 1995-04-04 4
USGS 182333066480300 SANTIAGO SPRING, HATILLO, PR 1960-06-24 1960-06-24 1
USGS 182343066472600 LOPEZ SPRING, HATILLO, PR 1960-08-04 1960-08-04 1
USGS 182359066481600 TIBURON SPRING, HATILLO, PR 1960-05-27 1983-08-09 3
USGS 182531066463500 TOLEDO WELL, HATILLO, PR 1986-02-08 1986-02-08 1
USGS 182548066472800 PAJUIL 2 WELL, HATILLO, PR 1967-11-16 1980-09-11 3
USGS 182556066472400 PAJUIL 3 WELL, HATILLO, PR 1967-11-16 1967-11-16 1
USGS 182635066471900 FTOL WELL, HATILLO, PR 2011-08-26 2014-10-30 3
USGS 182757066492600 NC-6 WELL, HATILLO, PR 1986-08-27 1986-09-24 7
USGS 182920066475500 SAN WELL, HATILLO, PR 1981-09-01 1982-06-29 3
USGS 182922066474700 ARIAS WELL, HATILLO, PR 1981-09-01 1982-06-29 3
USGS 50016000 RIO CAMUY NR CAMUY, PR 1958-04-01 1975-04-15 135
  group icon Hormigueros Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 180729067070600 EUREKA 1 WELL, HORMIGUEROS, PR 1946-02-27 1946-02-27 1
USGS 50135000 RIO HOCONUCO (DUEY) NR SAN GERMAN, PR 1964-03-03 2015-08-11 17
USGS 50136400 RIO ROSARIO NR HORMIGUEROS, PR 1979-11-15 2014-06-28 1240
USGS 50136700 RIO ROSARIO AT MOUTH, HORMIGUEROS, PR 2009-10-30 2024-02-21 51
USGS 50138000 RIO GUANAJIBO NR HORMIGUEROS, PR 1958-09-24 2024-02-21 406
  group icon Humacao Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 180635065490400 PDM 3 WELL, HUMACAO, PR 1984-01-27 1984-01-27 1
USGS 180708065470100 OCHENTA WELL, HUMACAO, PR 1984-01-17 1984-01-17 1
USGS 180841065473100 PIEZOMETER ROIG 1, HUMACAO, PR 1983-09-20 1983-09-20 1
USGS 180841065505000 SAN ANTONIO SPRING, HUMACAO, PR 1961-02-03 1961-02-03 1
USGS 180843065473100 ROIG AB-4 WELL, HUMACAO, PR 1983-09-19 1983-09-19 1
USGS 180851065492100 SANTIAGO WELL, HUMACAO, PR 1971-04-13 1971-04-13 1
USGS 180856065481300 SCHROEDER WELL, HUMACAO, PR 1962-04-26 1962-04-26 1
USGS 180859065473803 SQB IND 7 WELL, HUMACAO, PR 1983-09-14 1983-09-14 1
USGS 180859065474100 SQB 4 WELL, HUMACAO, PR 1981-09-16 1982-07-07 2
USGS 180942065505000 EPER WELL, HUMACAO, PR 1984-01-27 1984-01-27 1
USGS 180959065473800 PIEZOMETER SQB 2, HUMACAO, PR 1983-09-14 1983-09-14 1
USGS 181039065465700 PIEZOMETER PRLA 1, HUMACAO, PR 1983-09-20 1984-01-26 2
USGS 181138065493200 SAYA 2 WELL, HUMACAO, PR 1984-01-17 1984-01-17 1
USGS 181146065485800 SAYA 1 WELL, HUMACAO, PR 1961-10-10 1961-10-10 1
USGS 181149065471400 HFDAI WELL, HUMACAO, PR 1984-01-24 1984-01-24 1
USGS 50078300 QUEBRADA MAMBICHE AT ANTON RUIZ, PR 2005-07-20 2010-08-17 3
USGS 50078510 RIO ANTON RUIZ AT PASTO, PR 1984-01-25 2015-07-31 10
USGS 50078600 QUEBRADA DE LAS MULAS NR MAMBICHE, PR 2005-07-21 2010-08-17 3
USGS 50078900 QUEBRADA FRONTERA AT HWY 3, PR 2005-07-20 2010-08-17 3
USGS 50081500 RIO HUMACAO NR HUMACAO, PR 1972-10-11 2010-08-16 9
USGS 50081890 UNNAMED CREEK NR HUMACAO, PR 2005-07-20 2010-08-16 3
USGS 50081900 QUEBRADA MARIANA AT PATAGONIA, PR 2005-07-20 2010-08-16 3
USGS 50082000 RIO HUMACAO AT HWY 3 AT HUMACAO, PR 1958-09-19 2024-02-13 292
USGS 50082350 QUEBRADA CATANO AT MOUTH, PR 2005-07-20 2010-08-17 3
USGS 50082400 RIO HUMACAO AT SANTA TERESA, PR 2005-07-20 2010-08-17 3
USGS 50082600 RIO CANDELERO AT HWY 906, PR 1984-01-25 1984-01-25 1
USGS 50082700 RIO CANDELERO AT MOUTH, PR 2005-07-20 2010-08-18 3
  group icon Isabela Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 182313066574500 MATEO SPRING, ISABELA, PR 1960-08-24 1960-08-24 1
USGS 182316066575600 MAXIMINO SPRING, ISABELA, PR 1960-08-24 1960-08-24 1
USGS 182325066575700 MENDEZ 1 SPRING, ISABELA, PR 1960-08-24 1960-08-24 1
USGS 182327066575500 MENDEZ 2 SPRING, ISABELA, PR 1960-08-24 1960-08-24 1
USGS 182334066581000 M-SPRING, ISABELA, PR 1960-08-24 1994-03-15 2
USGS 182339066573300 MARQUEZ SPRING, ISABELA, PR 1960-08-24 1994-03-17 2
USGS 182342066553700 MEDINA 1 SPRING, ISABELA, PR 1960-08-11 1960-08-11 1
USGS 182344066580900 SOT SPRING, ISABELA, PR 1960-08-24 1995-04-20 3
USGS 182350066555000 MEDINA 3 SPRING, ISABELA, PR 1960-08-11 1960-08-11 1
USGS 182350066564000 RIO 3 SPRING, ISABELA, PR 1960-08-18 1960-09-26 2
USGS 182352066554900 MEDINA 2 SPRING, ISABELA, PR 1960-08-11 1995-04-21 3
USGS 182353066564500 RAM 2 SPRING, ISABELA, PR 1960-08-17 1960-08-17 1
USGS 182354066565600 RAM 1 SPRING, ISABELA, PR 1960-08-17 1960-08-17 1
USGS 182356066552300 LAGO GUAJATACA 1 NEAR DAM, ISABELA, PR 1977-11-10 1982-02-23 9
USGS 182357066555300 RIO 2 SPRING, ISABELA, PR 1960-08-11 1995-04-21 3
USGS 182358066553700 CHARCAS SPRING, ISABELA, PR 1960-08-11 1994-11-08 3
USGS 182358066555000 RIO 1 SPRING, ISABELA, PR 1960-08-11 1960-09-26 2
USGS 182402066564300 RAM 4 SPRING, ISABELA, PR 1960-08-19 1960-08-19 1
USGS 182402067010500 SALTOS 3 WELL, ISABELA, PR 1978-07-05 1978-07-05 1
USGS 182413066581800 FOREST SPRING, ISABELA, PR 1960-08-25 1960-08-25 1
USGS 182422067015100 SALTOS 1 WELL, ISABELA, PR 1966-05-26 2008-04-18 5
USGS 182736066582300 ROMERO WELL, ISABELA, PR 1985-04-24 1985-04-24 1
USGS 182805067025800 E STATION NC-7 WELL, ISABELA, PR 1986-11-07 1986-11-10 2
USGS 182919067031300 ODAI NC-11 WELL, ISABELA, PR 1987-04-15 1987-05-07 8
USGS 182925067031100 OTILIO WELL, ISABELA, PR 1988-07-20 1988-07-20 2
USGS 182937066585200 RAFOLS 1 WELL, ISABELA, PR 1946-02-06 1946-02-06 1
USGS 50010790 LAGO GUAJATACA NO. 1 NR DAMSITE NR QUEBRADILLAS PR 1978-01-09 2002-07-17 144
  group icon Jayuya Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 50025155 RIO SALIENTE AT COABEY NR JAYUYA, PR 2001-11-08 2005-07-16 4
USGS 50025160 RIO SALIENTE ABV RIO CARICABOA NR JAYUYA, PR 2000-03-27 2000-10-30 2
USGS 50025165 RIO CARICABOA AT JAYUYA, PR 2000-03-27 2000-10-30 2
USGS 50025195 RIO ZAMAS ABV RIO GRANDE DE JAYUYA, PR 2000-03-27 2000-10-30 2
USGS 50025600 RIO JAUCA NR JAYUYA, PR 1965-02-05 2000-10-30 48
USGS 50026000 RIO CAONILLAS NR JAYUYA, PR 1959-02-19 2024-02-06 60
USGS 50026025 RIO CAONILLAS AT PASO PALMA, PR 1995-02-23 2004-10-31 82
  group icon Juana Diaz Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 175843066323900 PIEZOMETER USGS TEST, JUANA DIAZ, PR 1966-07-13 1966-07-13 1
USGS 175858066323700 PIEZOMETER USGS 1, JUANA DIAZ, PR 1966-07-13 1966-07-13 1
USGS 175902066320200 PIEZOMETER USGS 5, JUANA DIAZ, PR 1966-07-13 1966-07-13 1
USGS 175910066313500 PIEZOMETER USGS 4, JUANA DIAZ, PR 1966-07-13 1966-07-13 1
USGS 175911066314100 SC-5 BOCA CHICA WELL, JUANA DIAZ, PR 1987-03-25 1987-03-26 4
USGS 175921066322001 TIBURON 1 NORTH WELL, JUANA DIAZ, PR 1966-02-24 1966-02-24 1
USGS 175923066314300 BOCA CHICA DOMESTIC WELL, JUANA DIAZ, PR 2007-05-02 2014-10-16 4
USGS 175931066264300 MAQUINA BTR WELL, JUANA DIAZ, PR 2007-04-13 2011-07-14 2
USGS 175935066303000 PIEZOMETER USGS 2, JUANA DIAZ, PR 1966-07-13 1966-07-13 1
USGS 175938066284700 PASTILLO SOUTH WELL, JUANA DIAZ, PR 1987-05-01 1987-05-01 1
USGS 175940066301500 PIEZOMETER USGS 3, JUANA DIAZ, PR 1966-07-13 1966-07-13 1
USGS 175941066275100 HMAR WELL, JUANA DIAZ, PR 2011-07-21 2011-07-21 1
USGS 175948066315500 TIBURON 2 WELL, JUANA DIAZ, PR 1966-02-04 1966-02-24 2
USGS 175950066263900 CLAVEL 1 BTR WELL, JUANA DIAZ, PR 1987-04-09 1987-04-09 1
USGS 175951066281400 PAG WELL, JUANA DIAZ, PR 1987-04-09 1987-04-09 1
USGS 175952066272800 BIZARRETA WELL, JUANA DIAZ, PR 2007-04-13 2011-07-15 2
USGS 175956066304500 SERRANO WELL, JUANA DIAZ, PR 2011-07-21 2014-10-16 4
USGS 175959066304600 POTALA WELL, JUANA DIAZ, PR 1987-04-30 1987-04-30 1
USGS 180001066311200 POTALA 6 WELL, JUANA DIAZ, PR 2007-04-17 2007-04-17 1
USGS 180001066314200 CENTRAL MERCEDITA 1 WELL, JUANA DIAZ, PR 1963-02-13 1963-02-13 1
USGS 180001066315400 CENTRAL MERCEDITA 2 WELL, JUANA DIAZ, PR 1963-02-13 1963-02-13 1
USGS 180014066264500 SANTI 1 WELL, JUANA DIAZ, PR 1960-11-04 1960-11-04 1
USGS 180016066261500 CAB NUEVO WELL, JUANA DIAZ, PR 1988-01-28 1988-01-28 1
USGS 180020066261500 CAB 1 WELL, JUANA DIAZ, PR 1966-02-24 2008-04-17 11
USGS 180026066293600 POTALA ROYAL WELL, JUANA DIAZ, PR 1960-11-09 1960-11-09 1
USGS 180027066313200 POTALA NEW 2 WELL, JUANA DIAZ, PR 1962-12-10 2007-04-17 2
USGS 180031066301900 STORMWATER STATION AT FMS9 BLDG, JUANA DIAZ, PR 2020-08-24 2023-09-11 16
USGS 180031066313400 POTALA 2 BTR WELL, JUANA DIAZ, PR 1960-11-09 1960-11-09 1
USGS 180033066270200 BAR WELL, JUANA DIAZ, PR 1966-02-24 1966-02-24 1
USGS 180034066302300 STORMWATER STATION AT FT. ALLEN FD, JUANA DIAZ, PR 2020-08-24 2023-09-11 13
USGS 180038066275200 AMELIA 7 WELL, JUANA DIAZ, PR 1960-11-09 1960-11-09 1
USGS 180044066310700 POTALA 3 BTR WELL, JUANA DIAZ, PR 1987-04-30 1987-04-30 1
USGS 180046066281700 AMELIA DOMESTIC WELL JUANA DIAZ, PR 2008-04-17 2008-04-17 1
USGS 180057066311300 PIEZOMETER JAC-6, JUANA DIAZ, PR 2008-03-13 2008-04-17 2
USGS 180101066283400 URS 2 WELL, JUANA DIAZ, PR 1958-05-21 1958-05-21 1
USGS 180104066311100 HCIN WELL, JUANA DIAZ, PR 1966-02-25 1966-02-25 1
USGS 180105066294800 URS 7 WELL, JUANA DIAZ, PR 1987-04-30 1988-03-18 2
USGS 180107066282000 AMELIA 10 WELL, JUANA DIAZ, PR 1965-12-09 1965-12-09 1
USGS 180109066291300 URS 6 WELL, JUANA DIAZ, PR 1966-02-24 1966-02-24 1
USGS 180119066314900 RENOVALES 3 WELL, JUANA DIAZ, PR 1964-10-13 1966-02-25 11
USGS 180121066315300 RENOVALES 2 WELL, JUANA DIAZ, PR 1963-04-18 1965-02-11 4
USGS 180122066313400 RENOVALES BTR WELL, JUANA DIAZ, PR 1987-04-30 1987-04-30 1
USGS 180145066302200 PASTILLO NORTH WELL, JUANA DIAZ, PR 1958-03-20 1966-02-25 2
USGS 180149066305400 CAB 2 WELL, JUANA DIAZ, PR 1966-02-25 1966-02-25 1
USGS 180201066280500 ORT 6 WELL, JUANA DIAZ, PR 1966-01-31 1966-01-31 1
USGS 180208066315200 AGU 1 WELL, JUANA DIAZ, PR 1964-12-07 1965-09-23 3
USGS 180214066320700 ALV WELL, JUANA DIAZ, PR 1964-11-09 1965-09-23 3
USGS 180231066321200 COL 1 WELL, JUANA DIAZ, PR 1964-12-15 1964-12-15 1
USGS 180243066315100 JPER WELL, JUANA DIAZ, PR 1965-04-19 1991-01-25 3
USGS 180245066301600 CRI WELL, JUANA DIAZ, PR 1958-05-12 1958-08-06 2
USGS 180254066311400 FCRI WELL, JUANA DIAZ, PR 1966-08-25 1966-08-25 1
USGS 50109000 RIO CANAS NR JUANA DIAZ, PR 1962-02-21 1966-07-15 4
USGS 50109100 RIO CANAS AT HIGHWAY 52, JUANA DIAZ, PR 2006-02-28 2011-03-22 3
USGS 50109200 RIO CANAS BELOW CANAL JUANA DIAZ, JUANA DIAZ, PR 2006-02-28 2011-03-22 3
USGS 50109400 RIO CANAS NR PASTILLO, PR 1966-01-10 1966-10-21 2
USGS 50109500 RIO CANAS NR SANTA ISABEL, PR 1962-02-21 2010-10-19 5
USGS 50111500 RIO JACAGUAS AT JUANA DIAZ, PR 1960-03-15 1965-02-02 7
USGS 50111700 RIO JACAGUAS NR JUANA DIAZ, PR 1966-09-29 1970-05-27 7
USGS 50112000 RIO JACAGUAS AT ARUS, PR 1960-03-15 2010-10-19 5
USGS 50112100 RIO JACAGUAS AT MANZANILLO, PR 1966-09-30 2011-03-22 4
USGS 50112600 RIO INABON AT COTTO LAUREL, PR 1958-09-25 1958-09-25 1
USGS 50113000 RIO GUAYO NR COLLORES, PR 1962-02-20 1966-04-11 4
  group icon Juncos Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181315065523100 SANTA ANA 1 WELL, JUNCOS, PR 1990-04-30 1990-04-30 2
USGS 181402065523200 EBER 1 WELL, JUNCOS, PR 1990-08-23 1990-08-23 1
USGS 181404065523300 EBER 2 WELL, JUNCOS, PR 1987-07-08 1987-07-08 1
USGS 181415065545400 PIEZOMETER CJ 6, JUNCOS, PR 1987-10-15 1990-08-06 2
USGS 181501065555500 PIEZOMETER CJ 4A, JUNCOS, PR 1987-10-16 1990-07-16 2
USGS 181501065555501 PIEZOMETER CJ 4B, JUNCOS, PR 1990-07-16 1990-07-16 1
USGS 181513065554600 PIEZOMETER CJ 3A, JUNCOS, PR 1990-07-12 1990-07-12 1
USGS 181513065554601 PIEZOMETER CJ 3B, JUNCOS, PR 1987-10-15 2004-02-10 2
USGS 181518065561400 MEN 2 WELL, JUNCOS, PR 1987-07-08 1990-06-28 2
USGS 50055750 RIO GURABO BLW EL MANGO, PR 1995-10-10 2000-08-23 47
USGS 50056400 RIO VALENCIANO NR JUNCOS, PR 1971-03-09 2002-04-20 151
USGS 50056500 RIO VALENCIANO AT JUNCOS, PR 1958-03-19 2024-02-13 56
USGS 50056550 RIO VALENCIANO AT MOUTH, PR 1987-07-23 2005-08-02 3
USGS 50056600 RIO GURABO NR JUNCOS, PR 2005-03-09 2005-08-02 2
  group icon Lajas Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 175817067024700 ISLA MAGUEYES ST. 4, LAJAS, PR 2001-04-02 2001-04-02 2
USGS 175825067021600 CNAU, LAJAS, PR 2001-04-03 2001-04-03 2
USGS 175825067022800 WOCNAU WEST, LAJAS, PR 2001-04-02 2001-04-02 2
USGS 175826067025600 CPIE, LAJAS, PR 2001-04-03 2001-04-03 2
USGS 175827067020700 WEST OF PLAYA ROSADA, LAJAS, PR 2001-04-03 2001-04-03 2
USGS 175829067032500 PUNTA PARGUERA, LAJAS, PR 2001-04-03 2001-04-03 2
USGS 175830067031100 MARINA PESCADORES ST. 6, LAJAS, PR 2001-04-03 2001-04-03 2
USGS 175834067035200 AREA NEAR STP ST. 9, LAJAS, PR 2001-04-04 2001-04-04 2
USGS 175836067034000 VARADERO ST. 8, LAJAS, PR 2001-04-04 2001-04-04 2
USGS 175902067004900 CARAM WELL, LAJAS, PR 1959-06-19 1959-06-19 1
USGS 175938067045200 MCAR 2 WELL, LAJAS, PR 1961-10-25 1961-10-25 1
USGS 175948067011000 ELE WELL, LAJAS, PR 1961-09-06 1961-09-06 1
USGS 180015067023500 LDDAI WELL, LAJAS, PR 1986-03-25 1986-06-20 2
USGS 180038067044900 MAGUAYO 5 WELL, LAJAS, PR 1962-05-08 1962-05-08 1
USGS 180041067043900 MAGUAYO 1 WELL, LAJAS, PR 1986-03-24 1986-03-24 1
USGS 180046067053700 LAGUNA CARTAGENA WELL, LAJAS, PR 1986-03-25 1986-03-25 1
USGS 180055067063300 PIEZOMETER LAGUNA CARTAGENA 3, LAJAS, PR 1986-04-25 1986-05-08 2
USGS 180055067063301 PIEZOMETER LAGUNA CARTAGENA 1, LAJAS, PR 1986-04-25 1986-06-19 3
USGS 180055067063302 PIEZOMETER LAGUNA CARTAGENA 2, LAJAS, PR 1986-04-25 1986-07-18 3
USGS 180055067063303 PIEZOMETER LAGUNA CARTAGENA 4, LAJAS, PR 1986-04-25 1986-07-18 2
USGS 180055067063304 PIEZOMETER LAGUNA CARTAGENA 5, LAJAS, PR 1986-03-31 1986-05-08 2
USGS 180055067063306 PIEZOMETER LAGUNA CARTAGENA 7, LAJAS, PR 2008-03-12 2008-04-17 2
USGS 180055067063308 PIEZOMETER LAGUNA CARTAGENA 8, LAJAS, PR 1986-06-19 1986-06-19 1
USGS 180055067063309 PIEZOMETER LAGUNA CARTAGENA 9, LAJAS, PR 1986-03-31 1986-06-19 3
USGS 180055067063310 PIEZOMETER LAGUNA CARTAGENA 10, LAJAS, PR 1986-05-08 1986-06-19 2
USGS 180100067010600 PIEZOMETER COSTA PLATA, LAJAS, PR 1986-03-25 1986-06-18 3
USGS 180103066583500 PIEZOMETER SALCEDO 1, LAJAS, PR 1986-06-18 1986-06-18 1
USGS 180103066583501 PIEZOMETER SALCEDO 2, LAJAS, PR 1986-06-18 1986-06-18 1
USGS 180103066583504 PIEZOMETER SALCEDO 4, LAJAS, PR 1986-06-18 1986-06-18 1
USGS 180103066583505 PIEZOMETER SALCEDO 5, LAJAS, PR 1986-06-18 1986-06-18 1
USGS 180103067042500 PIEZOMETER LAJAS EXPERIMENTAL STATION LAJAS, PR 1986-03-26 2008-04-17 10
USGS 180111067025200 PIEZOMETER GONZALEZ 1, LAJAS, PR 1986-05-27 1986-07-18 3
USGS 180111067025202 PIEZOMETER GONZALEZ 2, LAJAS, PR 1986-05-27 1986-06-19 2
USGS 180111067025204 PIEZOMETER GONZALEZ 4, LAJAS, PR 1986-05-08 1986-06-19 2
USGS 180111067025205 PIEZOMETER GONZALEZ 5, LAJAS, PR 1986-05-27 1986-05-27 1
USGS 180111067025206 PIEZOMETER GONZALEZ 3, LAJAS, PR 1986-07-18 1986-07-18 1
USGS 180117067001300 VALLE PLATA WELL, LAJAS, PR 1986-03-26 1986-03-26 1
USGS 180119067063500 DESENGANO 3 WELL, LAJAS, PR 1986-03-24 1986-03-24 1
USGS 180122067063500 DESENGANO 4 WELL, LAJAS, PR 1984-11-12 1986-03-24 2
USGS 180132067033800 VIV COLONIA AMISTAD WELL, LAJAS, PR 2003-03-05 2008-04-17 11
USGS 180132067045700 RESOLUCION NEW WELL, LAJAS, PR 1986-03-24 1986-03-24 1
USGS 180133067035000 PIEZOMETER SC-1 RASA, LAJAS, PR 1987-03-10 1987-03-10 5
USGS 180137066583700 GEL WELL, LAJAS, PR 1986-03-26 1986-03-26 1
USGS 180141067021700 LEONSILLO WELL, LAJAS, PR 1986-03-25 1986-03-25 1
USGS 180147066593000 LA PLATA 2 WINDMILL WELL, LAJAS, PR 1986-03-26 1986-03-26 1
USGS 180149066592400 LA PLATA 1 WINDMILL WELL, LAJAS, PR 1985-04-23 1985-04-23 1
USGS 180152066584500 EOJE WELL, LAJAS, PR 1981-09-26 1982-06-23 2
USGS 180153067010500 LUG WINDMILL WELL, LAJAS, PR 1986-03-26 1986-06-20 2
USGS 180201066592200 SILVA WELL, LAJAS, PR 1986-03-26 1986-03-26 1
USGS 180206067004900 HER WELL, LAJAS, PR 1986-03-26 1986-03-26 1
USGS 180212067003600 LAJAS JET PUMP WELL, LAJAS, PR 1986-03-26 1986-03-26 1
USGS 180227067015800 OLIVA 3 WELL, LAJAS, PR 1986-03-25 1986-03-25 1
USGS 180227067020400 YUYIN 2 WELL, LAJAS, PR 1986-03-25 1986-03-25 1
USGS 180229067005100 FELIU DOMESTIC WELL, LAJAS, PR 1985-04-26 1986-03-26 2
USGS 180229067005500 LUG 1 WELL, LAJAS, PR 1986-03-26 1986-03-26 1
USGS 180236067024700 CPAG WELL, LAJAS, PR 1986-06-20 1986-06-20 1
USGS 180239066595400 ALM WELL, LAJAS, PR 1986-03-26 1986-03-26 1
USGS 50128830 LAGUNA LA PARGUERA NO.2 LAJAS PR 2011-11-14 2012-08-13 16
USGS 50128840 LAGUNA LA PARGUERA NO.1 LAJAS PR 2011-11-14 2012-08-13 18
USGS 50129300 LAJAS EAST DRAINAGE CANAL NR ENSENADA, PR 1981-08-06 1982-01-13 5
USGS 50129750 SALINA AT BAHIA MONTALVA, LAJAS, PR 2006-03-01 2006-03-01 1
USGS 50129775 UNNAMED CREEK AT HWY 324, LAJAS, PR 2006-03-01 2011-03-23 2
USGS 50129805 LAGUNA MONSIO JOSE NO.1 LAJAS PR 2011-11-14 2012-08-13 13
USGS 50129810 LAGUNA MONSIO JOSE NO.2 LAJAS PR 2011-11-14 2012-08-13 13
USGS 50129899 LAGUNA CARTAGENA NR BOQUERON, PR 2011-11-10 2012-08-14 9
  group icon Lares Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181240066501000 LAGO GUAYO 1 NR DAM, LARES, PR 1977-11-15 1977-12-05 4
USGS 181728066494900 RIVER BANK SPRING, LARES, PR 1959-11-05 1960-04-01 2
USGS 50010500 RIO GUAJATACA AT LARES, PR 1958-04-01 2012-08-28 290
USGS 50013000 RIO CAMUY NR LARES, PR 1958-03-31 1971-06-03 112
USGS 50020150 RIO VACAS NR ADJUNTAS, PR 2000-03-28 2000-10-31 2
USGS 50020295 RIO CIDRA AT ADJUNTAS, PR 2000-03-28 2000-10-31 2
USGS 50142250 RIO BLANCO ABOVE CONFLUENCE WITH RIO PRIETO, PR 2003-06-24 2015-08-18 10
USGS 50142710 RIO PRIETO AT RIO PRIETO, PR 2003-06-24 2010-02-24 6
USGS 50142900 RIO PRIETO AT PEZUELA, PR 2003-06-24 2015-08-18 11
  group icon Las Marias Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 50143150 RIO BUCARABONES NR LAS MARIAS, PR 2003-06-24 2007-08-28 3
USGS 50143200 RIO GUABA NR LAS MARIAS, PR 1960-03-18 2003-06-24 9
USGS 50143250 RIO GUABA AT CERROTE, PR 2007-03-08 2007-08-27 2
USGS 50143300 RIO GUABA NR HACIENDA ESPINO, PR 1959-02-17 1959-02-17 1
USGS 50143320 RIO GUABA AT MOUTH, PR 2009-10-30 2015-09-02 10
USGS 50143500 RIO MAYAGUECILLA AT LAS MARIAS, PR 1960-03-18 1966-04-13 8
USGS 50143600 RIO MAYAGUECILLA AT MOUTH, PR 2003-06-24 2015-08-12 11
USGS 50143895 RIO ARENAS UPSTREAM OF HIGHWAY 119, PR 2003-06-24 2003-06-24 1
USGS 50143900 RIO ARENAS AT LAS MARIAS, PR 2003-06-24 2003-06-24 1
USGS 50143920 RIO ARENAS AT MOUTH, PR 2003-06-26 2010-02-24 3
USGS 50143925 RIO GRANDE DE ANASCO BLW RIO ARENAS, PR 2003-06-25 2003-06-25 1
USGS 50145395 RIO CASEI ABV HACIENDA CASEI, PR 2003-12-25 2013-12-04 1276
  group icon Las Piedras Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181206065514400 HERMOSURA 2 WELL, LAS PIEDRAS, PR 1987-07-08 1990-07-26 2
USGS 181220065502300 HCUC 2 WELL, LAS PIEDRAS, PR 1990-04-26 1990-04-26 1
USGS 181322065500300 LAS TORRES 1 WELL, LAS PIEDRAS, PR 1967-03-29 1967-03-29 1
USGS 50055610 RIO GURABO NEAR LAS PIEDRAS, PR 2005-03-10 2005-08-03 2
USGS 50056000 RIO VALENCIANO NR LAS PIEDRAS, PR 1958-03-18 2005-08-03 35
USGS 50081000 RIO HUMACAO AT LAS PIEDRAS, PR 1959-01-29 1979-09-10 171
USGS 50081300 RIO HUMACAO AT HUMACAO DAMSITE, PR 1984-01-19 1984-01-19 1
  group icon Loiza Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 182145065543900 GUMDIN WELL, LOIZA, PR 1961-10-09 1961-10-09 1
USGS 182543065520400 ALL WELL, LOIZA, PR 1962-04-24 1962-04-24 1
USGS 50050344 PNN100 1994-12-14 1995-07-18 10
USGS 50050345 LAGUNA PINONES NO. 1 NR CAROLINA, PR 1973-12-03 1990-03-23 14
USGS 50050346 PINONES CANAL NR CAROLINA, PR 1974-01-22 1974-10-23 52
USGS 50050348 LAGUNA TORRECILLA NO. 5 NR CAROLINA, PR 1974-01-30 1989-09-28 16
USGS 50050350 LAGUNA TORRECILLA NO. 4 NR CAROLINA, PR 1973-12-03 1996-08-30 95
USGS 50050353 SUAREZ CANAL AT HWY 26 BRIDGE NR CAROLINA, PR 1974-01-22 2005-06-17 92
USGS 50050355 LAGUNA TORRECILLA NO. 3 NR CAROLINA, PR 1973-12-03 2005-06-17 133
USGS 50050370 LAGUNA TORRECILLA NO. 2 NR CAROLINA, PR 1973-12-03 1989-09-28 13
USGS 50050375 LAGUNA TORRECILLA NO. 1 NR CAROLINA, PR 1972-02-19 2005-06-20 101
USGS 50061200 RIO CANOVANILLAS AT CARRUZOS, PR 1998-04-17 1998-08-14 2
USGS 50061800 RIO CANOVANAS NR CAMPO RICO, PR 1967-04-11 2004-09-22 1454
USGS 50062000 RIO CANOVANAS AT LOIZA, PR 1958-03-20 1966-04-15 10
USGS 50062200 RIO GRANDE DE LOIZA AT CENTRAL CANOVANAS, PR 1973-09-18 1979-08-24 41
USGS 50062250 RIO GRANDE DE LOIZA AT HWY 187 AT LOIZA, PR 1993-10-29 1994-02-14 64
USGS 50062500 RIO HERRERA NR COLONIA DOLORES, PR 1963-01-23 1973-12-10 48
USGS 50062800 RIO HERRERA NR LOIZA, PR 2005-07-15 2010-08-18 3
USGS 50063000 QUEBRADA CAMBALACHE NR LOIZA, PR 1962-02-20 1966-04-15 6
  group icon Luquillo Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181943066434900 SABANA LUQUILLO METEOROLOGICAL STA., LUQUILLO, PR 1996-04-01 1998-06-01 22
USGS 182109065420000 PIEZOMETER USGS RP 1, LUQUILLO, PR 1994-10-27 1994-10-27 1
USGS 182125065453500 PIEZOMETER RM-1, LUQUILLO, PR 1994-12-13 1994-12-13 1
USGS 182130065415400 PIEZOMETER USGS RP 2, LUQUILLO, PR 1994-11-21 1994-11-21 1
USGS 182131065421100 PIEZOMETER RIO PITAHAYA 4 LUQUILLO, PR 2003-04-04 2008-05-15 9
USGS 182147065421800 PIEZOMETER USGS RP 5, LUQUILLO, PR 1994-10-25 1994-10-25 1
USGS 182150065414900 PIEZOMETER USGS RP 3, LUQUILLO, PR 1994-12-14 1994-12-14 1
USGS 182155065430600 PIEZOMETER USGS RS 3, LUQUILLO, PR 1994-11-23 1994-11-23 1
USGS 182231065430203 CEMENTERIO, LUQUILLO, PR 1986-03-27 1986-11-21 4
USGS 182234065440000 PIEZOMETER QDA. MATA DE PLATANOS 1, LUQUILLO, PR 1994-10-14 2005-02-11 8
USGS 182240065453800 PIEZOMETER RM 3, LUQUILLO, PR 1994-11-18 1994-11-18 1
USGS 182256065443400 MAMEYES PRIMERO WELL, LUQUILLO, PR 1945-11-07 1945-11-07 1
USGS 50065600 RIO MAMEYES AT YMCA, PR 2005-07-19 2010-08-19 3
USGS 50065650 RIO MAMEYES ABV QUEBRADA TABONUCO, PR 2005-07-18 2015-07-30 15
USGS 50065750 QUEBRADA ANON AT MOUTH, PR 2005-07-18 2010-08-19 3
USGS 50066000 RIO MAMEYES AT MAMEYES, PR 1958-09-11 2010-08-19 61
USGS 50066100 UNNAMED CREEK AT HWY 3 NR MAMEYES, PR 2005-07-18 2010-08-18 3
USGS 50066475 QUEBRADA MATA DE PLATANO NR MONSERRATE, PR 2005-07-18 2010-08-18 3
USGS 50066490 QUEBRADA MATA DE PLATANO AT HWY 3 (ANCIENT), PR 2005-07-18 2010-08-18 3
USGS 50066500 QUEBRADA MATA DE PLATANO NR LUQUILLO, PR 2005-07-18 2015-07-30 16
USGS 50067000 RIO SABANA AT SABANA, PR 1981-08-19 1995-02-08 6
USGS 50067200 RIO SABANA AT YUQUIYU, PR 2005-07-19 2010-08-19 3
USGS 50067500 RIO SABANA NR LUQUILLO, PR 1961-02-21 1966-04-12 7
USGS 50068000 RIO SABANA AT LUQUILLO, PR 1958-09-11 2010-08-17 8
USGS 50068710 RIO PITAHAYA NR PITAHAYA, PR 2005-07-19 2010-08-19 3
USGS 50068900 RIO PITAHAYA AT CASA BLANCA, PR 2005-07-19 2010-08-19 3
USGS 50069000 RIO PITAHAYA NR LUQUILLO, PR 1960-03-28 2010-08-19 11
USGS 50069050 RIO PITAHAYA AT SAN MIGUEL, PR 2005-07-19 2010-08-19 3
USGS 50069305 RIO JUAN MARTIN DOWNSTREAM OF HWY 3, PR 2005-07-19 2010-08-19 3
  group icon Manati Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 182218066291000 AGUAS FRIAS SPRING, MANATI, PR 1982-12-16 1997-09-13 3
USGS 182223066290400 PIEZOMETER CAMPAMENTO 4, MANATI, PR 1998-04-23 1998-04-23 4
USGS 182322066300600 RIO ARRIBA SPRING, MANATI, PR 1961-05-17 1961-05-17 1
USGS 182342066294400 SFIE WELL, MANATI, PR 1985-04-23 1985-04-23 1
USGS 182412066294900 MONSERRATE SUR WELL, MANATI, PR 1992-11-06 1992-11-06 1
USGS 182501066280500 HILL SINK HOLE, MANATI, PR 1994-04-29 1995-02-28 43
USGS 182506066280200 PIEZOMETER HILL 2, MANATI, PR 1995-03-07 1995-03-08 2
USGS 182510066312600 EL CORTES WELL, MANATI, PR 1994-03-16 1994-03-16 1
USGS 182512066285700 MONACO SINK HOLE, MANATI, PR 1994-07-31 1995-04-19 38
USGS 182514066282100 PIEZOMETER HILL 1, MANATI, PR 1993-11-10 1995-02-01 3
USGS 182531066262600 PALO ALTO 1 WELL, MANATI, PR 1995-01-17 1995-01-17 1
USGS 182532066290200 DCIC WELL, MANATI, PR 1967-09-15 1967-09-15 1
USGS 182538066275900 RE 1 ARTESIAN WELL, MANATI, PR 1992-09-03 1992-09-03 1
USGS 182541066313500 OJO DE GUILLO SPRING, MANATI, PR 1961-03-02 2011-08-15 47
USGS 182546066271200 COTO SUR 5 WELL, MANATI, PR 1989-06-22 1995-04-26 14
USGS 182546066273000 COTO SUR WH WELL, MANATI, PR 1992-09-18 1997-08-20 16
USGS 182548066265700 COTO SUR 7 WELL, MANATI, PR 2011-08-09 2011-08-09 1
USGS 182549066263400 VAZQUEZ 1 WELL, MANATI, PR 1980-10-09 1980-10-09 1
USGS 182549066281000 MANATI 3 WELL, MANATI, PR 1980-10-09 1980-10-09 1
USGS 182549066304300 USGS 166 OBSERVATION WELL, MANATI, PR 2003-02-19 2008-04-09 7
USGS 182600066293000 MANATI 3B WELL, MANATI, PR 1981-09-21 1982-07-01 3
USGS 182615066273500 EAT WELL, MANATI, PR 1992-09-24 1995-05-30 10
USGS 182617066320000 CANNING 1 WELL, MANATI, PR 1973-03-05 1973-03-05 1
USGS 182619066274200 CIORDA 2 WELL, MANATI, PR 1967-09-15 1967-09-15 1
USGS 182624066281400 IAS 2 WELL, MANATI, PR 1989-02-22 1990-01-17 5
USGS 182625066280500 SCHER 2 WELL, MANATI, PR 1978-02-09 1978-02-09 1
USGS 182627066282400 DGEC NORTH WELL, MANATI, PR 1978-02-28 1978-02-28 1
USGS 182627066282600 DGEC SOUTH WELL, MANATI, PR 1978-02-28 1978-02-28 1
USGS 182629066280800 SCHER 1 WELL, MANATI, PR 1978-02-09 1992-09-03 3
USGS 182630066264400 COTO NORTE 4 WELL, MANATI, PR 1965-01-20 1965-01-20 1
USGS 182633066262600 NC-4 WELL, MANATI, PR 1986-06-24 1986-07-01 4
USGS 182658066283900 IAS 6 WELL, MANATI, PR 1990-05-22 1990-06-18 4
USGS 182701066290200 JCUB WELL, MANATI, PR 1992-09-30 1995-05-31 14
USGS 182710066303700 CANTITO LA LUISA WELL, MANATI, PR 1978-03-16 1979-05-09 2
USGS 182712066303400 NCUB WELL, MANATI, PR 2011-08-09 2014-10-29 3
USGS 182715066293400 RABANOS B WELL, MANATI, PR 1979-12-17 1979-12-17 1
USGS 182720066303700 MDAI WELL, MANATI, PR 1981-09-21 1982-07-01 2
USGS 182732066281300 IAS-1 WELL, MANATI, PR 1988-08-10 1990-01-16 5
USGS 182734066280900 DUP 2 ARTESIAN WELL, MANATI, PR 1990-01-10 1990-01-10 2
USGS 182759066304100 MAMEY SPRING, MANATI, PR 1980-04-16 1993-08-26 3
USGS 182804066301600 ISIDRO SPRING, MANATI, PR 1980-04-16 1988-07-26 2
USGS 182846066261200 LOPEZ WELL, MANATI, PR 1963-05-01 1963-05-01 1
USGS 50037000 RIO GRANDE DE MANATI NR MANATI, PR 1958-03-28 1966-04-12 11
USGS 50038000 RIO GRANDE DE MANATI AT HWY 667 AT MANATI, PR 1963-01-17 1969-12-03 77
USGS 50038100 RIO GRANDE DE MANATI AT HWY 2 NR MANATI, PR 1969-05-21 2024-02-05 471
USGS 50038190 LAGUNA TORTUGUERO STATION NO. 6, PR 1974-07-25 1975-05-19 13
USGS 50038191 LAGUNA TORTUGUERO STATION NO. 2, PR 1974-02-27 2012-08-08 72
USGS 50038192 LAGUNA TORTUGUERO STATION NO. 3, PR 1974-07-24 1975-06-18 27
USGS 50038193 LAGUNA TORTUGUERO STATION NO. 4, PR 1974-07-24 2000-05-04 56
USGS 50038194 LAGUNA TORTUGUERO STATION NO. 5, PR 1974-07-24 2012-08-08 74
USGS 50038200 LAGUNA TORTUGUERO OUTLET NR VEGA BAJA, PR 1964-03-12 2016-05-18 314
  group icon Maricao Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 50143110 RIO GUABA AT BUCARABONES, PR 2007-03-07 2007-08-28 2
  group icon Maunabo Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 50088000 QUEBRADA EMAJAGUA AT EMAJAGUA, PR 2005-07-20 2010-08-16 3
USGS 50090000 RIO MAUNABO NEAR MATUYAS ALTO 2007-06-20 2007-06-20 1
USGS 50090100 RIO LACHI AT MOUTH, PR 2007-06-20 2007-06-20 1
USGS 50090200 QUEBRADA COROCO AT MOUTH 2007-06-20 2007-06-20 1
USGS 50090500 RIO MAUNABO AT LIZAS, PR 1971-03-12 2007-06-20 37
USGS 50090510 UNNAMED CREEK AT LIZAS 2007-06-20 2007-06-20 1
USGS 50090540 UNNAMED CREEK AT HIGHWAY 759 2007-06-20 2007-06-20 1
USGS 50090560 UNNAMED CREEK AT MOUTH 2007-06-20 2007-06-20 1
USGS 50090580 QUEBRADA TUMBADA NEAR GARONA 2007-06-20 2007-06-20 1
USGS 50090600 QUEBRADA DE LOS CHINOS AT PALO SECO 2007-06-20 2007-06-20 1
USGS 50090850 QUEBRADA TALANTE NEAR MAUNABO 2007-06-21 2007-06-21 1
USGS 50091000 RIO MAUNABO AT MAUNABO, PR 1958-09-19 2024-01-29 261
USGS 50091200 RIO MAUNABO NR MAUNABO, PR 1971-03-16 2007-06-21 25
USGS 50091210 UNNAMED CREEK AT CALZADA 2007-06-21 2007-06-21 1
USGS 50091230 UNNAMED CREEK AT HIGHWAY 3 2007-06-21 2007-06-21 1
USGS 50091250 QUEBRADA ARENAS AT QUEBRADA ARENAS 2007-06-21 2007-06-21 1
USGS 50091290 QUEBRADA ARENAS ABV HWY 901, PR 2005-07-20 2010-08-16 2
USGS 50091300 QUEBRADA ARENAS AT MAUNABO, PR 1972-09-26 1973-09-18 5
USGS 50091305 QUEBRADA ARENAS BELOW HIGHWAY 901 2007-06-21 2007-06-21 1
  group icon Mayaquez Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 180344067542300 DAGR WELL, MAYAGUEZ, PR 1992-05-24 1992-05-24 1
USGS 180444067555900 MONA AIRPORT WELL, MAYAGUEZ, PR 1992-05-24 1992-05-24 1
USGS 180458067512000 PRGOV SPRING, MAYAGUEZ, PR 1969-08-31 1969-08-31 1
USGS 180516067562000 CUEVA DE AGUA DE SARDINE SPRING, MAYAGUEZ, PR 1992-05-22 1992-05-22 1
USGS 180516067562300 DEL PORTUGUES 1 WELL, MAYAGUEZ, PR 1992-05-22 1992-05-25 3
USGS 180530067563000 BAHIA DE SARDINERA, MAYAGUEZ, PR 1992-05-25 1992-05-25 1
USGS 180937067091800 BMYE WELL, MAYAGUEZ, PR 2000-12-04 2001-11-27 4
USGS 181014067051600 CRO WELL, MAYAGUEZ, PR 2001-01-23 2001-11-26 3
USGS 181015067093800 COL WELL, MAYAGUEZ, PR 2000-01-25 2001-11-27 6
USGS 181018067091700 ROCHELAISE 5 WELL, MAYAGUEZ, PR 1965-01-07 1965-01-07 1
USGS 181019067072600 RIO HONDO WELL, MAYAGUEZ, PR 2000-12-04 2001-11-26 4
USGS 181035067094000 BRA 2 WELL, MAYAGUEZ, PR 1962-05-08 1962-05-08 1
USGS 181114067064700 SANTANA SPRING, MAYAGUEZ, PR 1959-08-27 1960-09-27 2
USGS 181153067063300 GALE II WELL, MAYAGUEZ, PR 1961-10-01 1961-10-01 1
USGS 181156067061300 HFLO WELL, MAYAGUEZ, PR 1961-10-01 1961-10-01 1
USGS 181156067074400 LAS MESAS MINERAL SPRING, MAYAGUEZ, PR 1960-09-27 1960-09-27 1
USGS 181215067084500 ROD 2 WELL, MAYAGUEZ, PR 1965-01-07 1965-01-07 1
USGS 181223067085100 RIV WELL, MAYAGUEZ, PR 1961-11-01 1966-06-09 4
USGS 181232067083500 CIND 3 WELL, MAYAGUEZ, PR 2000-12-05 2001-11-27 2
USGS 181232067083700 CIND 4 WELL, MAYAGUEZ, PR 2001-01-24 2001-04-24 2
USGS 181233067083200 VAL 1 WELL, MAYAGUEZ, PR 1961-11-01 1961-11-01 1
USGS 181313067075800 ZOO WELL, MAYAGUEZ, PR 2000-12-05 2001-11-26 4
USGS 181317067091400 MRES WELL, MAYAGUEZ, PR 2000-08-08 2001-11-28 5
USGS 181401067031900 JROD SPRING, MAYAGUEZ, PR 2000-08-09 2001-11-27 3
USGS 181538067103000 SANTA ROSA DE LIMA WELL, MAYAGUEZ, PR 2000-01-24 2001-11-27 5
USGS 181601067092600 ELIL 2 WELL, MAYAGUEZ, PR 2000-12-04 2000-12-04 1
USGS 181606067092800 ELIL 4 WELL, MAYAGUEZ, PR 2009-10-29 2010-02-25 2
USGS 181607067092400 ELIL 3 WELL, MAYAGUEZ, PR 2009-10-28 2010-02-25 3
USGS 50138150 RIO HONDO AT RIO HONDO, PR 2001-02-27 2001-07-18 2
USGS 50138230 RIO HONDO AT MOUTH NR CABO ROJO, PR 2009-10-30 2010-02-25 3
USGS 50138265 CANO MERLE NEAR CENTRAL ROCHELAISE, MAYAGUEZ, PR 2006-03-02 2015-04-07 14
USGS 50138275 QUEBRADA GUIFEN AT SABALOS, PR 2001-07-18 2001-07-18 1
USGS 50138285 QUEBRADA GRANDE AT QUEBRADA GRANDE, PR 2001-02-27 2001-02-27 1
USGS 50138375 CANO MAJAGUAL AT HWY 348, PR 2001-02-27 2001-07-18 2
USGS 50138385 CANO MAJAGUAL AT HWY 2, MAYAGUEZ, PR 2006-03-02 2011-03-24 3
USGS 50138500 RIO YAGUEZ AT PRESADA DE MAYAGUEZ, PR 1975-02-13 1979-08-16 30
USGS 50138760 TRIBUTARIO DE QUEBRADA GANDEL AT QUEMADO, PR 2000-12-06 2000-12-06 1
USGS 50138800 RIO YAGUEZ NR MAYAGUEZ, PR 1979-11-16 2012-08-09 165
USGS 50138815 QUEBRADA CARICOSA NR REPRESA DE MAYAGUEZ, PR 2001-02-28 2001-02-28 1
USGS 50138840 QUEBRADA CARICOSA NR MAYAGUEZ, PR 2001-02-28 2001-07-18 2
USGS 50138845 TRIBUTARIO DE QUEBRADA CARICOSA AT HWY 105, PR 2001-02-28 2002-02-21 3
USGS 50139000 RIO YAGUEZ AT MAYAGUEZ, PR 1960-03-17 2024-02-21 53
USGS 50139660 QUEBRADA DEL ORO AT HWY 102, MAYAGUEZ, PR 2006-03-02 2011-03-24 3
USGS 50139710 CANO BOQUILLA AT HWY 2, MAYAGUEZ, PR 2006-03-02 2011-03-24 3
USGS 50146005 RIO CANAS AT RIO CANAS ABAJO, PR 2009-10-28 2010-02-24 2
USGS 50146065 RIO CANAS NR MOUTH, PR 2003-06-25 2007-08-29 3
  group icon Moca Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 182310067070700 PRUNA SPRING, MOCA, PR 1960-09-02 1960-09-02 1
USGS 182311067030200 PER 2 SPRING, MOCA, PR 1960-09-02 1960-09-02 1
USGS 182320067034200 PUNTA BRAVA WELL, MOCA, PR 1963-03-13 1963-03-13 1
USGS 182330067022900 HERNANDEZ SPRING, MOCA, PR 1960-08-31 1960-08-31 1
USGS 182339067022900 VAZQUEZ 1 SPRING, MOCA, PR 1960-08-31 1960-08-31 1
USGS 182345067014000 DOM SPRING MOCA, PR 1960-08-26 1960-08-26 1
USGS 182349067024900 GREGORIO SPRING, MOCA, PR 1960-09-01 1960-09-01 1
USGS 182355067032400 BAU SPRING, MOCA, PR 1960-09-02 1960-09-02 1
USGS 182358067022400 ROCHA SPRING, MOCA, PR 1960-08-31 1960-08-31 1
USGS 182358067033500 FERRER SPRING, MOCA, PR 1960-09-01 1994-03-10 2
USGS 182358067040400 LASALLE SPRING, MOCA, PR 1960-09-01 1994-03-10 2
USGS 182407067022400 VELAZQUEZ SPRING, MOCA, PR 1960-08-31 1960-08-31 1
USGS 182407067022900 MENDEZ SPRING, MOCA, PR 1960-08-31 1960-08-31 1
USGS 182417067044300 QUI SPRING, MOCA, PR 1960-09-01 1960-09-01 1
USGS 182426067063600 LA PRESA SPRING, MOCA, PR 1960-09-02 1960-09-02 1
USGS 182546067040200 OJO DE VALENCIA SPRING, MOCA, PR 1960-09-23 1982-07-13 3
USGS 50147675 QUEBRADA LASALLE AT CAPA, PR 2003-03-06 2015-08-19 12
USGS 50147796 QUEBRADA LOS MORONES NR MOCA, PR 2007-03-07 2010-02-23 5
USGS 50147800 RIO CULEBRINAS AT HWY 404 NR MOCA, PR 1967-06-14 2011-02-15 83
USGS 50147900 QUEBRADA LAS MARIAS AT MARIAS, PR 2007-03-05 2015-08-17 10
USGS 50147997 QUEBRADA GRANDE NR MOCA, PR 2007-03-06 2015-08-17 10
USGS 50148000 RIO CULEBRINAS NR MOCA, PR 1959-02-17 1987-06-10 72
USGS 50148050 RIO CULEBRINAS AT MARIAS, PR 2007-03-06 2010-02-23 4
  group icon Morovis Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181941066242800 P-F VIEJA, MOROVIS, PR 1986-04-14 1986-11-24 4
USGS 182004066263800 OJO DE AGUA WELL, MOROVIS, PR 1982-12-09 1983-08-05 2
USGS 50031500 RIO SANA MUERTO NR OROCOVIS, PR 1966-02-03 2015-08-07 41
USGS 50032100 QUEBRADA GRANDE DE SAN LORENZO NEAR MOROVIS, PR 2006-03-20 2006-08-28 3
USGS 50035200 RIO GRANDE DE MANATI AT HWY 145 AT CIALES, PR 1959-02-19 1979-08-29 185
  group icon Naguabo Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181102065440300 PIEZOMETER COCO RICO 1, NAGUABO, PR 1983-09-22 1983-09-22 1
USGS 181102065440500 CRIC WELL, NAGUABO, PR 1961-10-01 1983-09-22 3
USGS 181132065432000 PIZ WELL, NAGUABO, PR 1962-04-26 1962-04-26 1
USGS 181204065433200 STANDARD WELL, NAGUABO, PR 1967-06-01 1967-06-29 2
USGS 181205065431000 AFUE WELL, NAGUABO, PR 1961-02-01 1962-04-26 2
USGS 181217065453000 PIEZOMETER CA-1, NAGUABO, PR 1983-09-15 2008-05-15 6
USGS 181250065475800 PENA POBRE 2 WELL, NAGUABO, PR 1963-01-23 1963-01-23 1
USGS 181254065480500 PENA POBRE 1 WELL, NAGUABO, PR 1980-05-01 1980-05-01 1
USGS 181318065470600 RIO BLANCO 2 WELL, NAGUABO, PR 1983-09-21 1983-09-21 1
USGS 181354065435700 EL DUQUE WELL, NAGUABO, PR 1984-01-24 1984-01-24 1
USGS 50073375 QUEBRADA DEL PLATANO AT EL BANCO, PR 2005-07-21 2010-08-18 3
USGS 50073400 QUEBRADA PALMA AT DAGUAO, PR 1972-09-22 2010-08-18 41
USGS 50073500 QUEBRADA BOTIJAS AT HWY 31, PR 2005-07-21 2010-08-17 3
USGS 50073900 RIO SANTIAGO NR NAGUABO, PR 2005-07-21 2010-08-18 3
USGS 50073975 QUEBRADA GRANDE AT MOUTH, PR 2005-07-21 2010-08-18 3
USGS 50074000 RIO SANTIAGO AT NAGUABO, PR 1984-01-18 1984-01-18 1
USGS 50074004 RIO SANTIAGO AT NAGUABO 2005-07-21 2010-08-17 3
USGS 50074950 QUEBRADA GUABA NR NAGUABO, PR 1992-02-02 2004-05-12 832
USGS 50075000 RIO ICACOS NR NAGUABO, PR 1962-03-13 2004-06-10 1489
USGS 50076000 RIO BLANCO NR FLORIDA, PR 1983-04-21 1983-04-21 4
USGS 50076300 QUEBRADA DE PENA POBRE AT MOUTH, PR 2005-07-21 2010-08-17 3
USGS 50076600 RIO BLANCO AT RIO BLANCO PUMP HOUSE, PR 1983-09-21 1983-09-21 1
USGS 50077000 RIO BLANCO AT RIO BLANCO, PR 1958-10-10 1977-08-01 48
USGS 50077500 RIO BLANCO BLW LA FE, PR 1983-09-15 2010-08-16 4
USGS 50077525 QUEBRADA VACA AT MAIZALES, PR 2005-07-21 2010-08-17 3
USGS 50077550 QUEBRADA MAIZALES AT MAIZALES, PR 2005-07-21 2010-08-17 3
USGS 50077600 QUEBRADA VACA BLW LA FE, PR 2005-07-21 2010-08-16 3
  group icon Naranjito Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 50038360 RIO MAVILLA NR COROZAL, PR 1969-04-17 1970-01-12 2
USGS 50044810 RIO GUADIANA NR GUADIANA, NARANJITO PR 2004-10-12 2004-11-12 4
USGS 50044830 RIO GUADIANA AT GUADIANA, PR 1995-10-10 1996-09-14 20
USGS 50044850 RIO GUADIANA NR NARANJITO, PR 1979-11-20 2024-02-21 215
  group icon Orocovis Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 50030300 RIO BOTIJAS NR BOTIJAS, PR 1972-01-30 2015-08-06 16
USGS 50030450 RIO OROCOVIS NR OROCOVIS, PR 1973-01-30 2006-08-29 8
USGS 50030460 RIO OROCOVIS AT OROCOVIS, PR 1981-08-12 1982-03-12 7
USGS 50030550 QUEBRADA LOS SALTOS NR OROCOVIS, PR 1973-01-30 1973-06-29 6
USGS 50030600 RIO OROCOVIS AT HWY 157 AT OROCOVIS, PR 1973-01-30 1973-06-29 6
USGS 50030700 RIO OROCOVIS ABV RIO BOTIJAS NR OROCOVIS, PR 1979-11-27 2024-02-14 211
USGS 50030800 RIO OROCOVIS NEAR MOUTH, PR 2006-03-21 2006-08-30 3
USGS 50031000 RIO GRANDE DE MANATI AT HWY 155 NR MOROVIS, PR 1958-03-28 2006-08-28 6
USGS 50031200 RIO GRANDE DE MANATI NR MOROVIS, PR 1960-03-29 2012-08-20 481
USGS 50032000 RIO GRANDE DE MANATI AT HWY 567 NR MOROVIS, PR 1959-02-03 1966-04-13 31
USGS 50032450 RIO TORO NEGRO ABOVE RIO MATRULLAS, PR 2006-03-20 2006-08-28 2
USGS 50032700 RIO MATRULLAS AT MOUTH, PR 2006-03-20 2006-08-28 3
USGS 50034000 RIO BAUTA NR OROCOVIS, PR 1958-03-28 2010-07-05 674
USGS 50110200 CANAL DE ACEITUNA AT VILLALBA, PR 1969-07-10 1974-04-18 5
  group icon Patillas Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 175851065582700 CAL WELL, PATILLAS, PR 1946-02-08 1946-02-08 1
USGS 180018066010100 CACAO BAJO WELL, PATILLAS, PR 1955-07-13 1955-07-13 1
USGS 180018066011700 GON WELL, PATILLAS, PR 1961-01-23 1961-01-23 1
USGS 180039066005900 PATILLAS WELL, PATILLAS, PR 1961-02-02 1961-02-02 1
USGS 180117066010300 LAGO PATILLAS 1 NR SPILLWAY, PATILLAS, PR 1977-11-09 1985-11-28 4
USGS 180138066004800 LAGO PATILLAS 3 ON RIO MARIN BRANCH, PATILLAS, PR 1977-11-09 1977-11-28 5
USGS 180138066013800 LAGO PATILLAS 2 AT RIO PATILLAS, PATILLAS, PR 1977-11-09 1977-11-28 4
USGS 50091500 RIO JACABOA AT HACIENDA SAN ISIDRO, PR 1963-03-04 2010-10-18 12
USGS 50091525 QUEBRADA PALENQUE AT HWY 3, PATILLAS, PR 2006-02-27 2010-10-18 2
USGS 50091800 RIO CHICO AT PROVIDENCIA, PR 1979-12-04 2015-08-06 143
USGS 50092000 RIO GRANDE DE PATILLAS NR PATILLAS, PR 1960-03-14 2024-01-29 484
USGS 50093000 RIO MARIN NR PATILLAS, PR 1960-03-14 1966-04-15 10
USGS 50094200 RIO GRANDE DE PATILLAS AT PATILLAS, PR 1960-03-14 1981-11-17 41
USGS 50094300 RIO GRANDE DE PATILLAS AT PROVIDENCIA, PR 2006-02-27 2011-03-21 3
  group icon Penuelas Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 180005066433900 PIEZOMETER USGS SALINITY 1, PENUELAS, PR 1966-06-15 1966-06-15 1
USGS 180011066432400 PERACI WELL, PENUELAS, PR 1959-03-11 1959-10-29 4
USGS 180014066441400 UC 5 WELL, PENUELAS, PR 1959-03-12 1959-03-12 1
USGS 180014066441401 UC BTR OXIDE 1 WELL, PENUELAS, PR 1959-06-04 1959-10-28 2
USGS 180018066442600 UC 6 WELL, PENUELAS, PR 1959-03-13 1959-03-13 1
USGS 180020066435100 PIEZOMETER USGS NORTH, PENUELAS, PR 1966-06-15 1966-06-15 1
USGS 180020066441500 UC BTR 1 WELL, PENUELAS, PR 1959-06-04 1959-06-04 1
USGS 180020066441501 UC BTR 2 WELL, PENUELAS, PR 1959-02-25 1959-02-25 1
USGS 180020066441502 UC BTR 3 WELL, PENUELAS, PR 1959-02-25 1959-10-28 2
USGS 180020066441503 UC BTR 4 WELL, PENUELAS, PR 1959-02-25 1959-02-25 1
USGS 180020066441504 UC BTR 5 WELL, PENUELAS, PR 1959-02-25 1959-02-25 1
USGS 180020066441505 UC BTR 6 WELL, PENUELAS, PR 1959-02-25 1959-02-25 1
USGS 180023066434300 PIEZOMETER USGS SALINITY 2, PENUELAS, PR 1966-06-15 1966-06-15 1
USGS 180023066434900 VAL 2 WELL, PENUELAS, PR 1959-03-12 1962-08-09 13
USGS 180030066434200 PIEZOMETER USGS SALINITY 3, PENUELAS, PR 1966-06-15 1966-06-15 1
USGS 180031066434400 FFLU 1 WELL, PENUELAS, PR 1959-03-11 1965-03-10 2
USGS 180031066441900 COR 11 WELL, PENUELAS, PR 1964-10-27 1964-10-27 1
USGS 180031066442000 COR 13 WELL, PENUELAS, PR 1964-10-27 1964-10-27 1
USGS 180032066441600 COR 10 WELL, PENUELAS, PR 1964-09-16 1964-09-17 2
USGS 180033066435100 VAL 4 WELL, PENUELAS, PR 1959-03-12 1959-10-28 5
USGS 180033066435101 VAL 5 WELL, PENUELAS, PR 1965-02-25 1965-02-25 1
USGS 180033066441601 COR 6A WELL, PENUELAS, PR 1964-09-16 1964-09-17 2
USGS 180035066433100 VAL 3 WELL, PENUELAS, PR 1959-10-29 1959-10-29 1
USGS 180037066435000 UC 2 WELL, PENUELAS, PR 1959-03-11 1959-10-28 3
USGS 180039066442000 COR 7 WELL, PENUELAS, PR 1964-10-13 1964-10-13 1
USGS 180043066434200 SOUCO 2 WELL, PENUELAS, PR 1958-11-19 1965-03-10 3
USGS 180046066434800 EL MANGO BTR WELL, PENUELAS, PR 1959-06-04 1959-06-04 1
USGS 180050066435401 SOUCO 5 WELL, PENUELAS, PR 1959-03-12 1959-10-28 2
USGS 180052066435501 SAUCO 4 WELL, PENUELAS, PR 1959-03-05 1966-04-19 8
USGS 180055066435300 ACOR WELL, PENUELAS, PR 1959-03-11 1965-08-09 11
USGS 180103066435200 COR 4 WELL, PENUELAS, PR 1959-03-12 1965-01-15 6
USGS 180109066434300 BUENA VISTA BTR WELL, PENUELAS, PR 1959-03-13 1959-11-24 4
USGS 180110066432700 VSEB WELL, PENUELAS, PR 1959-03-11 1959-10-29 3
USGS 180110066434400 JANT DW WELL, PENUELAS, PR 1965-03-11 1965-03-11 1
USGS 180124066433600 VALDIVIESO WELL, PENUELAS, PR 1959-02-12 1959-10-28 4
USGS 180132066435100 PRA SOUTH WELL, PENUELAS, PR 1959-03-11 1959-06-03 2
USGS 180144066435200 SUA WELL, PENUELAS, PR 1959-03-13 1959-03-13 1
USGS 180149066435500 QUIRINDONGO WELL, PENUELAS, PR 1959-03-11 1959-10-29 2
USGS 180156066434000 LVE WELL, PENUELAS, PR 2003-03-05 2008-04-17 12
USGS 180205066412401 SAL 1 WELL, PENUELAS, PR 1964-12-10 1965-08-04 2
USGS 180209066433300 JUNCOS 1 WELL, PENUELAS, PR 1959-03-11 1966-04-05 5
USGS 180212066433500 JUNCOS 2 WELL, PENUELAS, PR 1959-03-11 1968-01-10 7
USGS 180225066435200 VEL WELL, PENUELAS, PR 1961-09-07 1961-09-07 1
USGS 180235066430300 CMIS WELL, PENUELAS, PR 1959-10-28 1959-10-28 1
USGS 180246066414000 CRI WELL, PENUELAS, PR 1966-02-25 1966-02-25 1
USGS 180251066444800 OJO DE AGUA SPRING, PENUELAS, PR 1988-01-23 1988-02-27 9
USGS 180315066430400 CED 1 WELL, PENUELAS, PR 1959-06-04 1959-06-04 1
USGS 50120500 RIO TALLABOA NR PENUELAS, PR 1959-02-12 1963-01-15 4
USGS 50121000 RIO TALLABOA AT PENUELAS, PR 1958-04-02 2011-03-23 146
USGS 50122000 RIO TALLABOA AT HWY 127, PR 1958-04-02 2011-03-23 78
USGS 50122050 RIO TALLABOA AT MOUTH, PENUELAS, PR 2006-03-01 2011-03-23 3
USGS 50124200 RIO GUAYANILLA NEAR GUAYANILLA, PR 1981-04-14 1982-01-14 6
  group icon Ponce Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 175318066313800 PIEZOMETER 1 SOUTH, ISLA CAJA DE MUERTO, PR 1985-05-13 1985-05-13 1
USGS 175318066313801 PIEZOMETER USGS TH-1A, ISLA CAJA DE MUERTO, PR 1985-05-14 1985-05-14 1
USGS 175327066314100 PIEZOMETER 2, ISLA CAJA DE MUERTO, PR 1985-05-15 1985-05-15 1
USGS 175340066313200 WIRSH 1 WELL, ISLA CAJA DE MUERTO, PR 1960-08-09 1961-02-17 3
USGS 175808066342200 CABULLONES WELL, POINT 4, PONCE, PR 2008-03-26 2008-04-25 2
USGS 175814066340800 SERR 2 WELL, PONCE, PR 1964-10-14 1965-06-29 5
USGS 175815066340800 WIRSH 2 WELL, PONCE, PR 1962-05-11 1962-05-11 1
USGS 175818066352400 LA BOMBA DE LA QUINTA WELL, PONCE, PR 1964-12-16 1964-12-16 1
USGS 175824066360900 GUANCHA SC-8 WELL, PONCE, PR 1989-03-31 1989-04-04 3
USGS 175828066344400 CABULLONES PIEZOMETER NEST 2 DEEP, PONCE, PR 2007-10-11 2008-04-25 4
USGS 175828066344401 CABULLONES PIEZOMETER NEST 2 SHALLOW PONCE, PR 2007-10-11 2008-04-25 4
USGS 175833066350800 WELL, POINT 5, CABULLONES, PONCE, PR 2008-05-07 2008-05-07 1
USGS 175835066353900 HACIENDA SANTA CRUZ 1 WELL, PONCE, PR 1964-10-15 2011-07-19 10
USGS 175839066361500 HILTON WELL, PONCE, PR 2003-06-03 2014-10-24 6
USGS 175848066350900 CABULLONES PIEZOMETER NEST 3 DEEP PONCE, PR 2008-03-27 2008-03-27 1
USGS 175848066350901 CABULLONES PIEZOMETER NEST 3 SHALLOW PONCE, PR 2008-03-27 2008-05-07 2
USGS 175848066352700 PIEZOMETER 1 NORTH, PONCE, PR 1965-05-27 1965-05-27 1
USGS 175853066342501 CABULLONES PIEZOMETER NEST 1 SHALLOW PONCE, PR 2008-03-27 2008-03-27 1
USGS 175856066345500 MOSQUILLAS WELL, PONCE, PR 1965-10-14 1966-04-04 2
USGS 175856066361400 CONSTANCIA 6 WELL, PONCE, PR 1965-04-24 1965-08-11 2
USGS 175856066361600 CONSTANCIA DOMESTIC WELL, PONCE, PR 1964-10-28 1964-10-28 1
USGS 175856066371700 AYA WELL, PONCE, PR 1964-05-21 1968-02-06 4
USGS 175857066370900 FIDEOS WELL, PONCE, PR 1958-07-08 1958-07-08 1
USGS 175902066354400 HACIENDA SANTA CRUZ 2 WELL, PONCE, PR 1964-05-24 1987-04-29 2
USGS 175902066361400 CONSTANCIA 1 WELL, PONCE, PR 1965-04-26 1965-08-11 2
USGS 175905066371100 IWOR 3 WELL, PONCE, PR 1965-09-24 1965-09-24 1
USGS 175906066371100 IWOR 2 WELL, PONCE, PR 1965-09-24 1965-09-24 1
USGS 175907066352600 PIEZOMETER USGS TW-3, PONCE, PR 1965-06-16 1965-06-16 1
USGS 175908066322700 AUXILIARY FORTUNA BTR WELL, PONCE, PR 1966-03-24 1966-03-24 1
USGS 175911066322500 TIBURON DOMESTIC WELL, PONCE, PR 2002-12-10 2002-12-10 1
USGS 175915066355300 CONSTANCIA 7B WELL, PONCE, PR 1964-12-10 1965-08-12 3
USGS 175915066355400 CONSTANCIA 7A WELL, PONCE, PR 1965-04-24 1965-08-12 2
USGS 175918066363800 CONSTANCIA 2 WELL, PONCE, PR 1965-08-12 1965-08-12 1
USGS 175923066353000 PIEZOMETER USGS TW-2, PONCE, PR 1965-05-28 1965-05-28 1
USGS 175924066390600 FIBERDYNE WELL, PONCE, PR 1964-10-30 1965-02-05 2
USGS 175928066323200 HACIENDA UNION 2 WELL, PONCE, PR 1964-10-13 1966-04-05 10
USGS 175928066355500 LA REPRESA WELL, PONCE, PR 1964-05-21 1965-08-12 6
USGS 175930066324000 PIEZOMETER UNION 1, PONCE, PR 1964-09-15 1964-09-15 1
USGS 175933066352000 MUESTRA WELL, PONCE, PR 1965-02-20 1965-02-20 1
USGS 175934066364800 CONSTANCIA 3 WELL, PONCE, PR 1965-04-26 2008-04-17 9
USGS 175935066370200 ALI WELL, PONCE, PR 1945-11-27 1945-11-27 1
USGS 175936066355300 PIEZOMETER USGS TW-4, PONCE, PR 1965-06-17 1965-06-17 1
USGS 175947066343200 PLATANAL WELL, PONCE, PR 1965-08-10 2015-09-24 9
USGS 175948066364600 CONSTANCIA P9 WELL, PONCE, PR 1964-10-28 1968-02-06 3
USGS 175950066332800 CSEG DOM WELL, PONCE, PR 1964-10-14 1964-10-14 1
USGS 175950066353100 PIEZOMETER USGS TW-5, PONCE, PR 1965-06-18 1965-06-18 1
USGS 175950066354200 RESTAURADA P8A WELL, PONCE, PR 2003-02-13 2008-04-17 7
USGS 175951066380100 MANHATTAN 1 WELL, PONCE, PR 1961-08-11 1964-11-25 4
USGS 175952066342600 ESPERANZA 1A WELL, PONCE, PR 1964-05-20 1987-04-29 2
USGS 175952066342700 ESPERANZA 1 DOMESTIC WELL, PONCE, PR 1968-02-07 1968-02-07 1
USGS 175953066352100 COCHOTE WELL, PONCE, PR 1963-04-18 1968-02-07 5
USGS 175955066355500 CANGREJO WELL, PONCE, PR 1965-05-27 1965-08-11 2
USGS 175956066354400 ISABEL 1 WELL, PONCE, PR 1965-08-10 1965-08-10 1
USGS 175956066380100 SPRAGUE WELL, PONCE, PR 1965-01-12 1966-04-04 12
USGS 175957066365100 WILO 1 WELL, PONCE, PR 1964-05-21 1968-02-06 4
USGS 175957066365700 INDIAN HEAD WELL, PONCE, PR 1965-09-09 1965-09-29 3
USGS 175959066361000 ESTRELLA BTR WELL, PONCE, PR 1965-08-11 1965-08-11 1
USGS 180004066343200 VAY T WELL, PONCE, PR 2002-12-11 2002-12-11 1
USGS 180005066322400 FORTUNA WELL, PONCE, PR 1965-11-13 2003-02-27 3
USGS 180005066345500 TRUJILLO WELL, PONCE, PR 1965-08-10 1965-08-10 1
USGS 180007066362700 ESTRELLA 2 WELL, PONCE, PR 1965-01-27 1965-06-29 4
USGS 180009066320100 NIC WELL, PONCE, PR 1987-04-29 2007-04-19 2
USGS 180010066343800 ESPERANZA 2 WELL, PONCE, PR 1965-04-22 1965-04-22 1
USGS 180013066331500 UNION 4 WELL, PONCE, PR 1965-08-09 1987-04-30 2
USGS 180013066375200 REPARADA DOMESTIC WELL, PONCE, PR 2002-12-11 2003-04-03 3
USGS 180014066324800 UNION 3 WELL, PONCE, PR 1964-05-20 1965-10-14 3
USGS 180014066325300 UNION 5 WELL, PONCE, PR 1965-01-29 1965-08-09 6
USGS 180014066325600 UNION 6 WELL, PONCE, PR 1987-05-18 1987-05-18 1
USGS 180015066352200 RESTAURADA P1 NORTH WELL, PONCE, PR 1988-05-25 1992-02-19 27
USGS 180016066354200 ESTANCIA WELL, PONCE, PR 1965-08-10 1965-08-10 1
USGS 180017066325100 MANDRI WELL, PONCE, PR 1965-04-22 1965-08-09 2
USGS 180017066364700 CAFS 2 WELL, PONCE, PR 1963-04-18 1963-04-18 1
USGS 180019066344300 ESPERANZA 3 WELL, PONCE, PR 1965-08-09 1965-08-09 1
USGS 180020066352100 PRANGANA WELL, PONCE, PR 1968-02-08 1968-02-08 1
USGS 180020066364800 AWIRSH 3 WELL, PONCE, PR 1965-02-27 1965-02-27 1
USGS 180026066354100 SAURI 1 NORTH WELL, PONCE, PR 1965-04-20 1965-09-21 2
USGS 180027066364600 ABOLITION 1 WELL, PONCE, PR 1964-05-19 1965-09-07 3
USGS 180028066355500 CUATRO CALLES 1 WELL, PONCE, PR 1964-10-29 1965-08-11 3
USGS 180028066382600 ALB WELL, PONCE, PR 1965-11-10 1965-11-10 1
USGS 180030066351800 LAB 2 WELL, PONCE, PR 1963-04-18 1965-08-02 4
USGS 180030066382100 REPARADA 2 WELL, PONCE, PR 1964-10-19 1965-08-08 3
USGS 180030066384400 MAT 2 WELL, PONCE, PR 1945-10-17 1966-04-04 9
USGS 180031066350100 USSC WELL, PONCE, PR 2003-06-03 2003-06-03 1
USGS 180031066351700 LAB WELL, PONCE, PR 1963-09-18 1963-09-18 1
USGS 180031066351800 LAB 1 WELL, PONCE, PR 1963-04-18 1963-04-18 1
USGS 180032066354100 CAN WELL, PONCE, PR 1965-09-21 1965-09-21 1
USGS 180032066384500 MAT 3 WELL, PONCE, PR 1958-06-16 1987-05-20 2
USGS 180033066350700 HUCAR WELL, PONCE, PR 1964-05-19 1964-05-19 1
USGS 180035066370400 JCHA 1 WELL, PONCE, PR 1945-10-17 1945-10-17 1
USGS 180036066385100 SAYA WELL, PONCE, PR 1965-04-07 1965-04-07 1
USGS 180037066341300 BROAWELL, PONCE, PR 2003-06-03 2003-06-03 1
USGS 180038066321100 BAS WELL, PONCE, PR 1965-09-23 1965-09-24 2
USGS 180038066350500 JOA 1 WELL, PONCE, PR 1964-05-19 1965-08-02 3
USGS 180041066322500 VEN BTR WELL, PONCE, PR 1964-10-14 1965-08-03 3
USGS 180044066384500 ANGOLA 4 WELL, PONCE, PR 1965-09-08 1965-09-08 1
USGS 180045066380200 NEG 1 WELL, PONCE, PR 1945-10-17 1945-10-17 1
USGS 180045066381600 ALBERGUE DE NINOS WELL, PONCE, PR 2003-02-14 2008-04-17 7
USGS 180046066382200 WESTERN P-1 WELL, PONCE, PR 1965-09-24 1965-09-24 1
USGS 180049066381200 CANAS WELL, PONCE, PR 1945-10-15 1966-04-07 7
USGS 180051066364001 VIV 1A WELL, PONCE, PR 1965-05-26 1965-05-26 1
USGS 180051066382200 PRCEM 2 WELL, PONCE, PR 1965-08-04 1987-05-19 2
USGS 180052066390000 ANGOLA 1 WELL, PONCE, PR 1964-10-19 1965-09-08 2
USGS 180055066350900 LAGOON SPRING, PONCE, PR 1958-07-10 1958-07-10 1
USGS 180056066383800 PERSEVERANCIA 2 WELL, PONCE, PR 1965-04-27 1965-09-28 2
USGS 180057066352900 ALTAVISTA WELL, PONCE, PR 1964-10-15 1965-08-01 7
USGS 180101066353100 MINERO BTR WELL, PONCE, PR 1965-04-22 1965-04-22 1
USGS 180101066382300 PC 5 WELL, PONCE, PR 1984-10-16 1984-10-16 1
USGS 180101066382500 PC 3 WELL, PONCE, PR 1965-05-10 1965-08-04 2
USGS 180101066415900 CRU 1 WELL, PONCE, PR 1960-03-16 1960-03-16 1
USGS 180102066390700 ANGOLA 2 WELL, PONCE, PR 1965-01-08 1965-09-08 9
USGS 180105066334900 CENTRAL MERCEDITA 3 WELL, PONCE, PR 1965-04-20 2003-03-18 5
USGS 180105066361100 LA ALHAMBRA 2 WELL, PONCE, PR 1965-05-26 1965-05-26 1
USGS 180110066382100 PC (DESTROYED) WELL, PONCE, PR 1965-05-10 1965-08-04 2
USGS 180110066403400 BUR 2 WELL, PONCE, PR 1964-08-25 1964-12-02 2
USGS 180111066383900 SSER 1 WELL, PONCE, PR 1964-10-19 1964-10-19 1
USGS 180115066331100 SANTA TERESA WELL, PONCE, PR 1987-04-03 1987-04-06 2
USGS 180115066332700 COTO LAUREL SUR WELL, PONCE, PR 1964-10-21 1965-08-02 3
USGS 180115066390700 CHA 1 WELL, PONCE, PR 1964-11-10 1964-11-10 1
USGS 180119066391800 ANGOLA 3 WELL, PONCE, PR 1964-11-11 1964-11-11 1
USGS 180122066330400 HACIENDA TERESA WELL, PONCE, PR 2002-12-10 2002-12-10 1
USGS 180123066404200 SANZ 1 WELL, PONCE, PR 1964-10-30 1965-08-04 3
USGS 180130066354300 AGREGADO 3 WELL, PONCE, PR 1965-04-24 1965-09-28 2
USGS 180132066354400 AGREGADO 1 WELL, PONCE, PR 1964-05-21 1965-09-28 3
USGS 180138066323600 COLONES WELL, PONCE, PR 1964-05-20 1965-08-01 6
USGS 180138066383400 RUFINA WELL, PONCE, PR 1964-10-29 1965-09-27 9
USGS 180145066354300 BARRANCA WELL, PONCE, PR 1965-04-24 1965-09-28 2
USGS 180148066411300 CEB 1 WELL, PONCE, PR 1964-08-25 1964-12-02 2
USGS 180152066393100 PIC WELL, PONCE, PR 1963-04-24 1963-04-24 1
USGS 180156066393700 BUR 1 WELL, PONCE, PR 1965-09-08 1965-09-08 1
USGS 180202066323800 MAR 2 WELL, PONCE, PR 1964-05-20 1965-08-01 8
USGS 180207066353100 HOS WELL, PONCE, PR 1964-05-21 1964-09-30 2
USGS 180207066410900 SHIER 1 WELL, PONCE, PR 1964-12-10 1964-12-10 1
USGS 180208066351400 MONTE GRANDE 4 WELL, PONCE, PR 1964-10-15 1965-08-01 8
USGS 180212066394700 PANCHO WELL, PONCE, PR 1963-04-24 1965-03-15 3
USGS 180220066365800 TIBES SUR SPRING, PONCE, PR 1965-03-22 1965-03-22 1
USGS 180221066365700 QUINTANA 2 SPRING, PONCE, PR 1960-02-18 1960-02-18 1
USGS 180224066364200 QUINTANA 1 SPRING, PONCE, PR 1965-01-15 1983-08-10 5
USGS 180226066384700 CMON WELL, PONCE, PR 1963-03-20 1965-01-28 2
USGS 180228066363900 GAYA 1 WELL, PONCE, PR 1965-01-15 1965-01-15 1
USGS 180230066350400 TCAS 3 WELL, PONCE, PR 1965-01-14 1965-01-14 1
USGS 180233066335300 LAGO GILES INFLOW, PONCE, PR 1989-05-24 1989-05-24 1
USGS 180239066412000 HONDO SPRING, PONCE, PR 1964-10-30 1965-08-04 2
USGS 180245066404600 MED 2 WELL, PONCE, PR 1963-04-24 1964-10-30 2
USGS 180247066323400 LAS MINAS WELL, PONCE, PR 1964-11-09 1965-08-04 3
USGS 180250066353600 ARC 1 WELL, PONCE, PR 1964-10-15 1964-10-15 1
USGS 180302066353500 ARROYO 1 WELL, PONCE, PR 1965-01-15 1965-01-15 1
USGS 180307066345700 EL BRONCE SPRING, PONCE, PR 1964-10-22 1965-09-21 3
USGS 180318066335800 HACIENDA ANA MARIA WELL, PONCE, PR 1964-10-29 1965-07-20 2
USGS 180336066333500 LAGO 5, PONCE, PR 1989-05-24 1989-05-24 1
USGS 180413066344400 BARRIO CERRILLOS WELL, PONCE, PR 1965-04-13 1965-04-13 1
USGS 50112500 RIO INABON AT REAL ABAJO, PR 1962-02-20 1981-12-08 109
USGS 50113450 RIO INABON NEAR ARUS, PR 2006-02-28 2011-03-22 3
USGS 50113500 RIO INABON NR ARUS, PR 1964-02-04 1966-04-11 14
USGS 50113610 BUCANA METEREOLOGICAL STATION AT PONCE, PR 2007-06-07 2007-06-07 1
USGS 50113615 LAGUNA CABULLONES STATION 1 PONCE, PR 2007-08-09 2007-08-09 1
USGS 50113625 LAGUNA CABULLONES AT CANAL INLET PONCE, PR 2007-08-09 2007-08-09 1
USGS 50113800 RIO CERRILLOS ABV LAGO CERRILLOS NR PONCE, PR 2012-11-07 2024-01-30 47
USGS 50113900 RIO CERRILLOS AT HWY 139 NR PONCE, PR 1981-01-14 1981-02-12 3
USGS 50114000 RIO CERRILLOS BLW LAGO CERRILLOS NR PONCE, PR 1964-02-05 2012-08-08 468
USGS 50114100 RIO CERRILLOS NR MARAGUEZ, PR 1959-02-12 1964-05-13 7
USGS 50114400 RIO BUCANA NR PONCE, PR 1958-09-25 2024-01-31 71
USGS 50114600 RIO BUCANA AT HWY 2, PONCE, PR 1960-03-15 2013-02-13 12
USGS 50114700 RIO BUCANA AT PLAYA DE PONCE, PR 1964-07-28 1968-01-09 27
USGS 50114900 RIO PORTUGUES NR TIBES, PR 1997-11-10 2020-02-19 75
USGS 50115000 RIO PORTUGUES NR PONCE, PR 1964-02-05 2012-08-07 537
USGS 50115200 RIO PORTUGUES AT MAGUEYES, PR 1960-03-15 1964-03-04 5
USGS 50115500 RIO CHIQUITO NR PONCE, PR 1961-02-16 1966-04-12 5
USGS 50115900 RIO PORTUGUES AT HWY 14 AT PONCE, PR 1973-10-24 1979-07-19 8
USGS 50116200 RIO PORTUGUES AT PONCE, PR 1979-11-08 2024-01-30 216
USGS 50116500 RIO PORTUGUES AT HWY 2 BY-PASS AT PONCE, PR 1964-02-05 2011-03-23 62
USGS 50116970 RIO CANAS BELOW LAS AMERICAS AVENUE, PR 2006-02-28 2011-03-23 3
USGS 50117000 RIO CANAS AT PONCE, PR 1961-02-16 1963-03-05 2
USGS 50118000 RIO PASTILLO AT HWY 132 NR PONCE, PR 1964-03-03 1965-08-04 11
USGS 50118300 RIO PASTILLO NR PONCE, PR 2006-02-28 2011-03-23 3
USGS 50118500 RIO PASTILLO AT PONCE, PR 1961-02-16 1963-03-05 3
USGS 50119000 RIO MATILDE AT PONCE, PR 1960-03-16 2011-03-22 41
USGS 50119300 LAGUNA DE LAS SALINAS STATION 1 2003-05-07 2004-03-18 11
USGS 50119310 LAGUNA DE LAS SALINAS STATION 2 2003-05-07 2012-08-16 19
USGS 50119320 LAGUNA DE LAS SALINAS STATION 3 2003-02-25 2004-03-18 13
USGS 50119330 LAGUNA DE LAS SALINAS STATION 4 2003-02-25 2004-03-18 13
USGS 50119340 LAGUNA DE LAS SALINAS STATION 5 2003-05-07 2004-03-18 11
USGS 50119350 LAGUNA DE LAS SALINAS STATION 6 2003-05-07 2004-03-18 11
USGS 50119360 LAGUNA DE LAS SALINAS STATION 7 2003-05-07 2012-08-16 20
USGS 50119370 LAGUNA DE LAS SALINAS STATION 8 2003-05-07 2004-03-18 11
  group icon Quebradillas Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 182319066541900 MARGARITA SPRING, QUEBRADILLAS, PR 1960-08-23 1960-08-23 1
USGS 182321066543800 GUAJATACA SPRING, QUEBRADILLAS, PR 1960-08-23 1960-08-23 1
USGS 182326066543700 BRUJO SPRING, QUEBRADILLAS, PR 1960-08-19 1960-08-19 1
USGS 182338066541000 LA PILETA SPRING, QUEBRADILLAS, PR 1960-08-19 1960-08-19 1
USGS 182354066551400 LAGO SPRING, QUEBRADILLAS, PR 1960-08-18 1960-08-18 1
USGS 182403066554700 RAM 3 SPRING QUEBRADILLAS, PR 1960-08-17 1960-08-17 1
USGS 182404066551400 NIEVES SPRING, QUEBRADILLAS, PR 1960-08-11 1960-08-11 1
USGS 182414066551600 MUNIZ SPRING, QUEBRADILLAS, PR 1960-08-11 1960-08-11 1
USGS 182416066542000 MALABI SPRING, QUEBRADILLAS, PR 1960-08-11 1960-08-11 1
USGS 182516066544100 RIV WELL, QUEBRADILLAS, PR 1985-05-15 1985-05-15 1
USGS 182522066540300 EGDAI WELL, QUEBRADILLAS, PR 1981-09-01 1982-06-29 3
USGS 182721066554000 SOT WELL, QUEBRADILLAS, PR 1967-01-31 1967-02-07 2
USGS 50010720 LAGO GUAJATACA NO. 3 NR MOUTH NR QUEBRADILLAS, PR 1978-01-09 2002-07-17 104
USGS 50011000 CANAL DE DERIVACION AT LAGO DE GUAJATACA, PR 1958-04-01 2012-08-30 208
USGS 50011200 RIO GUAJATACA BLW LAGO GUAJATACA, PR 1969-06-04 1971-04-21 7
USGS 50011390 QUEBRADA LA SEQUIA NR QUEBRADILLAS, PR 2013-01-23 2013-01-23 1
USGS 50011400 RIO GUAJATACA ABV MOUTH NR QUEBRADILLAS, PR 1969-02-04 2024-02-22 279
USGS 50011500 RIO GUAJATACA NR QUEBRADILLAS, PR 1958-04-01 1966-04-14 41
  group icon Rincon Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181858067132700 CALVACHE VIEJO WELL, RINCON, PR 1958-08-08 1958-08-08 1
USGS 181913067123400 FELICIANO SPRING, RINCON, PR 1960-09-30 1960-09-30 1
USGS 182012067145600 CAR 1 WELL, RINCON, PR 1992-06-04 1992-06-04 1
USGS 182017067143300 RINCON 4 WELL, RINCON, PR 1967-04-01 2008-04-18 10
USGS 182152067161200 P-N WELL, RINCON, PR 1962-01-05 1962-01-05 1
USGS 182156067161000 P-N 3 WELL, RINCON, PR 1960-10-16 1960-10-16 1
USGS 182201067140600 ARENERO 1 WELL, RINCON, PR 1992-06-03 1992-06-03 1
USGS 50146145 CANO GARCIA AT HWY 429, RINCON, PR 2006-03-02 2011-03-24 3
USGS 50146150 QUEBRADA GRANDE DE CALBACHE AT HWY 429 RINCON, PR 2006-03-02 2015-08-11 16
USGS 50146155 QUEBRADA LOS RAMOS AT HWY 115, RINCON, PR 2006-03-02 2011-03-24 3
USGS 50146160 UNNAMED CREEK AT HWY 413, PR 2006-03-02 2010-10-21 2
USGS 50146165 QUEBRADA PILETAS AT HWY 413, RINCON, PR 2010-10-21 2011-03-24 2
USGS 50146170 UNNAMED CREEK AT PUNTA GORDA, PR 2010-10-21 2010-10-21 1
USGS 50146180 CANO SANTI PONCE NEAR RIO GRANDE, RINCON, PR 2006-03-02 2010-10-21 2
USGS 50146200 RIO GRANDE NR RINCON, PR 1960-03-22 2011-03-24 11
  group icon Rio Grande Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 182043065453700 CRISTAL DEL YUNQUE SPRING, RIO GRANDE, PR 1961-07-27 1961-07-27 1
USGS 182058065465800 LOSO 1 SPRING, RIO GRANDE, PR 1964-05-22 1964-05-22 1
USGS 182123065460400 COLINAS DEL YUNQUE WELL, RIO GRANDE, PR 1974-10-01 1974-10-01 1
USGS 182213065484200 LAS TRES T WELL, RIO GRANDE, PR 1961-10-10 1961-10-10 1
USGS 182223065455900 PIEZOMETER RIO MAMEYES 2, RIO GRANDE, PR 1994-10-28 1994-10-28 1
USGS 182233065521800 MARI 2 WELL, RIO GRANDE, PR 1963-11-19 1963-11-19 1
USGS 182238065490300 HAD WELL, RIO GRANDE, PR 1963-11-15 1963-11-18 2
USGS 182255065500800 FUENTES 1 WELL, RIO GRANDE, PR 1963-11-18 1963-11-18 1
USGS 182307065473500 BER 1 WELL, RIO GRANDE, PR 1961-03-09 1961-03-09 1
USGS 182317065474600 QJ-2 WELL, RIO GRANDE, PR 1994-11-04 1994-11-04 1
USGS 182344065490801 PIEZOMETER USGS RE 2A, RIO GRANDE, PR 1994-11-07 1994-11-07 1
USGS 182428065493500 MOLINA WELL, RIO GRANDE, PR 1963-11-18 1963-11-18 1
USGS 182503065494000 QUI WELL, RIO GRANDE, PR 1963-11-18 1963-11-18 1
USGS 50063045 QUEBRADA CAMBALACHE AT MOUTH, PR 2005-07-18 2010-08-18 3
USGS 50063065 RIO HERRERA AT CIENAGA BAJA, PR 2005-07-18 2015-07-30 17
USGS 50063250 RIO ESPIRITU SANTO ABV EL VERDE, PR 1969-08-04 1969-08-04 1
USGS 50063300 RIO ESPIRITU SANTO NR EL VERDE, PR 1963-01-22 1974-01-16 40
USGS 50063800 RIO ESPIRITU SANTO NR RIO GRANDE, PR 1958-09-11 2024-02-13 283
USGS 50064000 RIO ESPIRITU SANTO AT RIO GRANDE, PR 1958-09-11 2010-08-19 11
USGS 50064200 RIO GRANDE NR EL VERDE, PR 1967-05-15 1982-01-20 33
USGS 50064250 RIO GRANDE NR RIO GRANDE, PR 1963-01-24 1963-11-22 6
USGS 50064300 RIO GRANDE AT GUZMAN ABAJO, PR 2005-07-18 2010-08-19 3
USGS 50064500 RIO GRANDE AT RIO GRANDE, PR 1958-09-11 2010-08-19 18
USGS 50064700 QUEBRADA BONETA AT RIO GRANDE, PR 1981-11-19 1981-11-19 1
USGS 50064800 RIO ESPIRITU SANTO NR BLASINA, PR 2005-07-15 2010-08-18 3
USGS 50064850 QUEBRADA DE LAS LAJAS AT HWY 3, PR 2005-07-18 2010-08-19 3
USGS 50064900 QUEBRADA JUAN GONZALEZ NR RIO GRANDE, PR 1995-02-07 1995-02-07 1
USGS 50064910 QUEBRADA JUAN GONZALEZ AT HWY 3, PR 2005-07-18 2010-08-20 3
USGS 50065100 QUEBRADA SUSPIRO NR RIO GRANDE, PR 2005-07-19 2010-08-20 3
USGS 50065500 RIO MAMEYES NR SABANA, PR 1964-05-12 2004-11-14 1623
USGS 50065549 METEOROLOGICAL STATION AT BISLEY, PR 1995-07-31 1996-09-03 7
USGS 50065680 QUEBRADA TABONUCO AT HWY 191, PR 2005-07-18 2010-08-19 3
USGS 50065700 RIO MAMEYES AT HWY 191 AT MAMEYES, PR 1966-04-14 1982-01-19 71
USGS 50066020 UNNAMED CREEK AT MAMEYES WPP, PR 2005-07-18 2010-08-18 3
USGS 50066025 RIO MAMEYES BLW HWY 3, PR 2005-07-18 2010-08-19 3
  group icon Sabana Grande Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 180157066541200 IRI WELL, SABANA GRANDE, PR 1962-11-28 1963-08-06 3
USGS 180205066524400 SAMBOLIN 4 WELL, SABANA GRANDE, PR 1962-11-28 1963-07-29 3
USGS 180218066552400 SUS 4 WELL, SABANA GRANDE, PR 1986-03-27 1986-03-27 1
USGS 180224066540500 QUILINCHINI 1 WELL, SABANA GRANDE, PR 1962-11-28 1963-07-31 3
USGS 180231066582000 PRAWN 1 WELL, SABANA GRANDE, PR 1985-11-04 1985-11-04 1
USGS 180322066571201 SADI 2 WELL, SABANA GRANDE, PR 1962-05-10 1962-05-10 1
USGS 180543066565000 VIGEN DEL POZO WELL, SABANA GRANDE, PR 1982-12-02 1982-12-02 1
USGS 50129000 RIO LOCO NR YAUCO, PR 1962-11-27 1966-12-13 38
USGS 50130390 RIO COCO NR SAN ISIDRO, SABANA GRANDE, PR 2009-10-29 2010-02-25 2
USGS 50130420 RIO GRANDE NR SAN ISIDRO, SABANA GRANDE, PR 2009-10-29 2010-02-25 2
USGS 50130500 RIO GUANAJIBO AT LA PICA, PR 1974-08-20 1974-12-11 3
USGS 50131000 RIO CRUCES NR SABANA GRANDE, PR 1964-03-03 1967-04-04 6
  group icon Salinas Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 175708066163000 PIEZOMETER ERMITANO CENTRAL, SALINAS, PR 1986-03-20 2015-09-23 8
USGS 175708066163001 PIEZOMETER ERMITANO NORTH SALINAS, PR 2007-05-22 2007-05-22 1
USGS 175708066163002 PIEZOMETER ERMITANO SOUTH SALINAS, PR 2007-05-22 2015-09-23 6
USGS 175711066143600 PIEZOMETER JBNERR EAST 1 SALINAS, PR 2007-05-16 2015-09-23 7
USGS 175711066143601 PIEZOMETER JBNERR EAST 2 SALINAS, PR 2007-05-17 2008-05-14 2
USGS 175715066161300 PIEZOMETER USGS J-16, SALINAS, PR 1967-04-19 1967-04-19 1
USGS 175721066151400 PIEZOMETER JBNERR WEST 1 SALINAS, PR 2007-05-16 2015-01-28 5
USGS 175721066151401 PIEZOMETER JBNERR WEST 2 SALINAS, PR 2007-05-16 2007-05-16 1
USGS 175729066160601 MON 2 WELL, SALINAS, PR 1986-03-20 1986-08-08 4
USGS 175735066151800 PIEZOMETER C RASA, SALINAS, PR 1986-03-20 2008-04-16 9
USGS 175739066162700 PIEZOMETER USGS J-17, SALINAS, PR 1966-07-14 1966-07-14 1
USGS 175748066145800 PIEZOMETER USGS 11, SALINAS, PR 1966-07-14 1966-07-14 1
USGS 175748066160400 SAL 1 WELL, SALINAS, PR 1960-10-18 2011-06-30 14
USGS 175750066152000 PIEZOMETER USGS J-12, SALINAS, PR 1967-04-19 1987-03-16 2
USGS 175750066180100 GON 1 WELL, SALINAS PR 1960-12-07 1960-12-07 1
USGS 175756066174500 PIEZOMETER USGS J-21, SALINAS, PR 1966-07-15 1966-07-15 1
USGS 175757066131800 COQUI 4 WELL, SALINAS, PR 1961-10-16 1961-10-16 1
USGS 175757066132000 CENTRAL AGUIRRE SPRING, SALINAS, PR 1960-10-13 1964-10-20 2
USGS 175759066144400 AGUIRRE 2A WELL, SALINAS, PR 1960-10-19 1964-10-20 2
USGS 175802066182000 CMAR DOMESTIC WELL, SALINAS, PR 1986-03-19 1986-03-19 2
USGS 175804066150700 AGUIRRE 3 WELL, SALINAS, PR 1960-10-18 2015-09-17 9
USGS 175806066172300 PIEZOMETER USGS J-20, SALINAS, PR 1966-07-15 1966-07-15 1
USGS 175809066145300 AGUIRRE 1A WELL, SALINAS, PR 1960-10-18 1962-03-28 3
USGS 175809066164900 PIEZOMETER USGS J-15, SALINAS, PR 1966-07-15 1966-07-15 1
USGS 175810066152700 A9 WELL, SALINAS, PR 2007-04-18 2007-04-18 1
USGS 175810066153500 ESPERANZA 1 BTR WELL, SALINAS, PR 1960-10-19 1960-10-19 1
USGS 175812066133200 AGUIRRE COQUI WELL, SALINAS, PR 1986-08-13 2011-06-30 4
USGS 175816066183200 PMAR WELL, SALINAS, PR 1986-08-07 1986-08-07 1
USGS 175820066133500 SALINAS P3 WELL, SALINAS, PR 2012-04-25 2015-09-15 4
USGS 175820066144800 EL ABEY DOMESTIC WELL, SALINAS, PR 1986-08-13 1986-08-13 2
USGS 175821066144600 ABE WELL, SALINAS, PR 2002-03-12 2002-03-12 1
USGS 175821066182100 ANT 1 WELL, SALINAS, PR 1960-10-21 1960-10-21 1
USGS 175822066134800 LAS MONJAS P WELL, SALINAS, PR 1986-03-20 2015-09-15 12
USGS 175822066165400 MAG 5 BTR WELL, SALINAS, PR 1964-10-21 1964-10-21 1
USGS 175823066162400 DINC WELL, SALINAS, PR 1986-03-20 1986-03-20 2
USGS 175823066164600 MAG 3 WELL, SALINAS, PR 1960-10-20 2007-04-17 2
USGS 175823066180500 MAR 4 WELL, SALINAS, PR 1986-08-09 1986-08-09 2
USGS 175823066182200 PIEZOMETER USGS J-24, SALINAS, PR 1966-07-13 1966-07-13 1
USGS 175824066130900 SAN FELIPE P4 WELL, SALINAS, PR 2002-03-07 2007-04-04 3
USGS 175824066142300 PRWRA 1 WELL, SALINAS, PR 1971-02-01 1971-02-01 1
USGS 175824066175800 PIEZOMETER USGS J-23, SALINAS, PR 1966-07-13 1966-07-13 1
USGS 175825066142500 FORTUNA 1CP WELL, SALINAS, PR 1977-03-22 1979-12-12 58
USGS 175826066134400 COQUI P1A WELL, SALINAS, PR 1981-09-29 1982-06-24 2
USGS 175826066173700 PIEZOMETER USGS CARMEN, SALINAS, PR 1986-08-08 1986-08-08 2
USGS 175826066180600 LAS MARGARITAS P WELL, SALINAS, PR 2007-04-04 2015-09-15 6
USGS 175826066181600 MARGARITA 2 BTR WELL, SALINAS, PR 1961-11-01 1964-10-22 3
USGS 175827066134400 COQUI P1B WELL, SALINAS, PR 1960-11-01 1968-01-11 4
USGS 175828066142200 TEXIDOR P WELL, SALINAS, PR 1986-03-20 2011-06-30 10
USGS 175829066150400 A5 WELL, SALINAS, PR 2002-12-10 2002-12-10 1
USGS 175833066145800 PIEZOMETER A RASA, SALINAS, PR 1986-03-20 2008-05-14 9
USGS 175835066145700 A4 WELL, SALINAS, PR 2002-12-10 2002-12-10 1
USGS 175836066172800 CAR DOMESTIC WELL, SALINAS, PR 1960-10-20 1964-10-21 4
USGS 175837066165400 CAR WELL, SALINAS, PR 1986-08-08 1988-03-15 2
USGS 175838066161100 PIEZOMETER E RASA, SALINAS, PR 1986-03-19 1986-03-19 2
USGS 175839066151500 FORTUNA 5 WELL, SALINAS, PR 1977-03-22 1979-12-12 57
USGS 175839066180700 MAR 3 WELL, SALINAS, PR 1960-10-21 1960-10-21 1
USGS 175844066181300 RIO SALINAS AT HWY NO.1, SALINAS, PR 1986-03-19 1986-08-07 3
USGS 175844066181700 POLEOS 1 BTR WELL, SALINAS, PR 1960-10-21 1960-10-21 1
USGS 175845066164500 CCR WELL, SALINAS, PR 2002-03-12 2003-02-21 12
USGS 175848066142600 WELL, SALINAS, PR 2002-12-10 2002-12-10 1
USGS 175848066145800 FORTUNA 1 RG WELL, SALINAS, PR 1960-10-19 1986-08-08 4
USGS 175848066170700 PIEZOMETER RASA G SALINAS, PR 2003-04-28 2008-05-14 4
USGS 175850066154000 ROS 1 BTR WELL, SALINAS, PR 1960-10-19 1960-10-19 1
USGS 175850066174400 SALINAS URBANO 2 WELL, SALINAS, PR 1959-05-25 2002-07-11 9
USGS 175851066153000 FORTUNA 4 BTR WELL, SALINAS, PR 1960-10-19 2002-12-05 4
USGS 175851066155100 FORTUNA 10 WELL, SALINAS, PR 1960-10-19 1960-10-19 1
USGS 175851066174600 URBANO SALINAS 1 P WELL, SALINAS, PR 1959-05-25 2014-10-07 8
USGS 175853066182800 ISA 4 WELL, SALINAS, PR 2007-04-18 2007-04-18 1
USGS 175854066143100 HACIENDA SABATER 1 WELL, SALINAS, PR 1961-11-01 1962-03-28 2
USGS 175854066144500 LUCE 21 WELL, SALINAS, PR 2002-11-22 2011-07-01 4
USGS 175855066161400 MAG 2 WELL, SALINAS, PR 1961-11-01 2002-11-21 5
USGS 175857066123100 TUMORES A WELL, SALINAS, PR 1986-08-14 1986-08-14 1
USGS 175858066123100 TUMORES B WELL, SALINAS, PR 1986-08-14 1986-08-14 1
USGS 175858066151600 FORTUNA 3 WELL, SALINAS, PR 1960-10-19 2007-04-03 2
USGS 175859066144900 LAN 1 WELL, SALINAS, PR 1960-10-18 1960-10-18 1
USGS 175859066162200 MAG 1 WELL, SALINAS, PR 1960-10-20 1986-08-08 2
USGS 175902066163800 PROVIDENCIA BTR WELL, SALINAS, PR 1960-10-20 1960-10-20 1
USGS 175903066192000 POZAS 1 WELL, SALINAS, PR 1960-10-24 1960-10-24 1
USGS 175904066181800 ISA DOMESTIC WELL, SALINAS, PR 1986-03-19 1989-05-24 4
USGS 175905066154700 RALV WELL, SALINAS, PR 1986-08-08 1986-08-08 1
USGS 175906066143000 HACIENDA SABATER 2 BTR WELL, SALINAS, PR 1960-10-18 1960-10-18 1
USGS 175906066171600 CAR BTR WELL, SALINAS, PR 1960-10-20 1964-10-23 4
USGS 175908066180500 ISA 2 WELL, SALINAS, PR 1961-11-01 1962-03-28 2
USGS 175909066185200 ISA 3 WELL, SALINAS, PR 1960-10-21 1960-10-21 1
USGS 175910066122300 AMOR WELL, SALINAS, PR 1986-03-25 1986-03-25 2
USGS 175910066155500 PIEZOMETER RASA D, SALINAS, PR 1986-03-19 2008-04-03 5
USGS 175911066173700 SECOLA BTR WELL, SALINAS, PR 1960-10-21 1960-10-21 1
USGS 175913066163500 GODREAU 3 WELL, SALINAS, PR 1960-10-20 1960-10-20 1
USGS 175916066144000 MAG 4 WELL, SALINAS, PR 2005-03-29 2007-04-02 2
USGS 175916066183200 P-MAR WELL, SALINAS, PR 1986-08-07 1986-08-07 2
USGS 175916066202700 TEXIDOR 1 WELL, SALINAS, PR 1962-03-30 1967-12-04 6
USGS 175917066162000 GODREAU 4 WELL, SALINAS, PR 1960-10-20 1960-10-20 1
USGS 175920066175800 CENTRO WELL, SALINAS, PR 1986-03-19 1986-03-19 2
USGS 175921066144500 LAN 2 WELL, SALINAS, PR 1960-10-18 2004-01-23 4
USGS 175921066165500 GODREAU 6 WELL, SALINAS, PR 1986-03-19 1988-03-15 3
USGS 175922066132000 CANAL PATILLAS AT FLUME 90.5, SALINAS, PR 1986-03-20 1989-05-24 3
USGS 175922066170800 COCO 2 P WELL, SALINAS, PR 1980-11-01 1980-11-01 1
USGS 175923066174500 GRAVERA WELL, SALINAS, PR 1989-05-24 1989-05-24 1
USGS 175925066145400 PIEZOMETER B RASA, SALINAS, PR 1986-03-20 1986-08-08 3
USGS 175925066165100 AMA 1 WELL, SALINAS, PR 1960-10-20 1960-10-20 1
USGS 175925066170600 GODREAU P1 WELL, SALINAS, PR 1960-10-21 1960-10-21 1
USGS 175926066141100 SAB VIEJO WELL, SALINAS, PR 1960-10-18 1960-10-18 1
USGS 175928066174000 VEL 1 WELL, SALINAS, PR 1960-10-20 1960-10-20 1
USGS 175931066160100 GODREAU 5 WELL, SALINAS, PR 1960-10-20 1986-08-07 4
USGS 175933066161800 AMA 2 WELL, SALINAS, PR 1960-10-20 2002-11-21 3
USGS 175947066130601 PIEZOMETER AGUIRRE HW 5B, SALINAS, PR 2004-02-05 2008-04-03 6
USGS 175947066130604 PIEZOMETER AGUIRRE HW 5E, SALINAS, PR 1988-05-04 1988-05-09 2
USGS 175950066125202 PIEZOMETER AGUIRRE HW 10C, SALINAS, PR 1988-04-27 1988-04-29 2
USGS 175953066124400 PIEZOMETER AGUIRRE HW 16, SALINAS, PR 1988-05-03 1988-05-04 2
USGS 175956066205400 SOS 1 WELL, SALINAS, PR 1967-02-01 1967-02-01 1
USGS 175957066122800 PIEZOMETER AGUIRRE HW 20, SALINAS, PR 1988-07-11 1988-07-11 2
USGS 175958066131000 NORIA DOMESTIC WELL, SALINAS, PR 1961-11-01 1988-06-23 3
USGS 175959066141500 RGON 2 WELL, SALINAS, PR 1961-11-01 2002-11-27 4
USGS 175959066201200 HACIENDA LAS CAROLINAS 1 WELL, SALINAS, PR 1961-11-01 1967-02-01 2
USGS 180000066125204 PIEZOMETER AGUIRRE HW 4E, SALINAS, PR 1988-04-06 1988-04-07 3
USGS 180002066123100 PIEZOMETER AGUIRRE HW 18, SALINAS, PR 1988-06-09 1988-06-10 3
USGS 180004066130200 PIEZOMETER AGUIRRE HW 21, SALINAS, PR 1988-07-15 1988-07-18 2
USGS 180006066123702 PIEZOMETER AGUIRRE HW 7C, SALINAS, PR 1988-05-17 1988-05-18 3
USGS 180008066135900 HUCAR 18 WELL, SALINAS, PR 2002-03-13 2014-10-09 3
USGS 180012066125502 PIEZOMETER AGUIRRE HW 11C, SALINAS, PR 1988-05-23 1988-05-31 2
USGS 180023066175400 THEATRE 1 WELL, SALINAS, PR 1951-01-01 1951-01-01 1
USGS 180024066140100 HUCAR 3 WELL, SALINAS, PR 2002-03-14 2002-11-26 2
USGS 180033066140900 HUCAR 1 WELL, SALINAS, PR 2002-03-14 2003-02-21 11
USGS 180037066135200 HUCAR 7 WELL, SALINAS, PR 2002-03-18 2002-12-05 2
USGS 180046066135400 HUCAR 6 WELL, SALINAS, PR 2002-03-13 2002-11-20 2
USGS 180047066132700 HUCAR 28 WELL, SALINAS, PR 2002-03-13 2003-02-21 12
USGS 180048066174800 STORMWATER STATION FUEL DISPENSING,SALINAS, PR 2020-06-29 2023-09-12 9
USGS 180049066153200 SAN 1 WELL, SALINAS, PR 1961-10-20 1961-10-20 1
USGS 180054066152800 ALGON WELL, SALINAS, PR 1986-03-19 1986-08-07 4
USGS 180057066134000 HUCAR 25 WELL, SALINAS, PR 2002-03-06 2002-11-26 3
USGS 180104066152300 PIEZOMETER RM 10, SALINAS, PR 2003-02-20 2008-05-14 8
USGS 180201066133900 DJES DOMESTIC WELL, SALINAS, PR 1989-04-18 1989-12-18 5
USGS 180208066135600 TGO 1 WELL, SALINAS, PR 1988-12-27 1988-12-27 1
USGS 180217066141600 AO-2 WELL, SALINAS, PR 1995-02-13 1995-08-08 3
USGS 180217066141900 AO-3 WELL, SALINAS, PR 1988-07-19 1993-08-31 39
USGS 180219066142200 TGO 4 WELL, SALINAS, PR 1961-10-10 1963-03-01 5
USGS 50098600 QUEBRADA AMOROS AT RAILROAD BRIDGE, PR 2006-02-27 2011-03-21 3
USGS 50099050 QUEBRADA AGUAS VERDES AT CANAL PATILLAS, SALINAS, 2006-02-27 2011-03-21 3
USGS 50099150 TRIBUTARIO DE QDA. AGUAS VERDES AT SABATER, PR 2004-01-23 2004-01-23 1
USGS 50099160 TRIBUTARIO DE QDA. AGUAS VERDES AT AGUIRRE, PR 2004-01-23 2004-01-23 1
USGS 50099200 QUEBRADA AGUAS VERDES AT HWY 3, SALINAS, PR 2010-10-19 2010-10-19 1
USGS 50099300 UNNAMED CREEK AT HIGHWAY 53, SALINAS, PR 2006-02-28 2011-03-21 4
USGS 50099400 QUEBRADA AGUAS VERDES AT RAILROAD BDG, SALINAS, PR 2006-02-28 2015-08-05 15
USGS 50099800 LAGUNA MAR NEGRO NO.1 SALINAS PR 2011-11-08 2012-08-09 13
USGS 50099830 LAGUNA MAR NEGRO NO.2 SALINAS PR 2011-11-08 2012-08-09 11
USGS 50099900 LAGUNA PUNTA ARENAS NO.2 SALINAS PR 2011-11-08 2012-08-09 5
USGS 50099920 LAGUNA PUNTA ARENAS NO.1 SALINAS PR 2011-11-08 2012-08-09 5
USGS 50099960 LAGUNA TIBURONES NO.1 SALINAS PR 2011-11-08 2012-08-06 5
USGS 50099975 LAGUNA TIBURONES NO.2 SALINAS PR 2011-11-08 2012-08-06 6
USGS 50100150 RIO LAPA AT VAZQUEZ, SALINAS, PR 2006-02-28 2011-03-22 3
USGS 50100200 RIO LAPA NR RABO DEL BUEY, PR 1959-02-11 1989-12-18 17
USGS 50100250 RIO LAPA AT MOUTH, SALINAS, PR 2010-10-19 2011-03-22 2
USGS 50100400 RIO MAJADA ABOVE LA PLENA, SALINAS, PR 2006-02-28 2011-03-22 3
USGS 50100450 RIO MAJADA AT LA PLENA, PR 1973-01-09 2011-03-22 54
USGS 50100500 RIO MAJADA NR RABO DEL BUEY, PR 1961-10-31 1966-04-11 7
USGS 50100700 RIO MAJADA AT RABO DEL BUEY, PR 1960-09-15 2011-03-22 5
USGS 50101600 RIO NIGUA NEAR LAS MARIAS, SALINAS, PR 2006-02-28 2015-08-05 7
USGS 50102000 RIO SALINAS AT SALINAS, PR 1961-11-01 1962-02-21 3
USGS 50102010 RIO NIGUA NEAR HACIENDA MARGARITA, SALINAS, PR 2006-03-03 2013-02-14 5
USGS 50102450 RIO JUEYES NEAR RIO JUEYES 2006-02-28 2011-03-22 3
USGS 50102900 RIO JUEYES NEAR JAUCA 2, SALINAS, PR 2006-02-28 2011-03-22 3
USGS 50103000 RIO JUEYES NR JAUCA, PR 1961-05-02 1962-02-21 2
USGS 50999987 CAMP SANTIAGO RAINGAGE SALINAS, PR 2020-06-29 2023-09-12 11
  group icon San German Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 180507067023200 PH WELL, SAN GERMAN, PR 1962-05-08 1962-05-08 1
USGS 50131050 RIO CRUCES NR SABANA GRANDE, SABANA GRANDE, PR 2009-10-29 2010-02-25 2
USGS 50131250 RIO GUANAJIBO AT MINILLAS, SAN GERMAN, PR 2009-10-29 2010-02-25 2
USGS 50131500 RIO GUANAJIBO NR SAN GERMAN, PR 1964-03-03 1965-02-06 3
USGS 50131800 RIO CUPEYES NR SAN GERMAN, PR 1960-03-17 2010-02-25 7
USGS 50131990 RIO GUANAJIBO AT HWY 119 AT SAN GERMAN, PR 1975-02-13 1979-08-16 30
USGS 50132000 RIO GUANAJIBO AT SAN GERMAN, PR 1964-03-03 1966-04-12 4
USGS 50133000 RIO CAIN NR SAN GERMAN, PR 1964-03-03 2010-02-25 5
USGS 50133600 RIO GUANAJIBO NEAR SAN GERMAN, PR 1979-11-15 2012-08-08 167
USGS 50134000 RIO DUEY AT DUEY BAJO, SAN GERMAN, PR 2009-10-29 2010-02-25 2
USGS 50134550 RIO HOCONUCO AT HOCONUCO BAJO, SAN GERMAN, PR 2009-10-29 2010-02-25 3
USGS 50136000 RIO ROSARIO AT ROSARIO, PR 1963-10-08 2010-02-25 31
  group icon San Juan Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 182217066024900 JBEN WELL, SAN JUAN, PR 1956-03-23 1956-03-23 1
USGS 182226066034300 PIEZOMETER SAN FERNANDO 18, SAN JUAN, PR 1989-06-21 1989-06-21 1
USGS 182227066031800 PIEZOMETER SAN GERARDO 17, SAN JUAN, PR 1989-07-20 1989-07-20 1
USGS 182254066033800 PIEZOMETER JIMENEZ 16, SAN JUAN, PR 1989-07-20 1989-07-20 1
USGS 182308066042500 PIEZOMETER SRS 15, SAN JUAN, PR 1989-07-20 1989-07-20 1
USGS 182318066042500 PIEZOMETER CEMENTERIO 14, SAN JUAN, PR 1989-07-20 1989-07-20 1
USGS 182324066031800 LAS CASCADAS WELL, SAN JUAN, PR 1985-05-30 1985-05-30 1
USGS 182326066031500 ZILO WELL, SAN JUAN, PR 1985-05-30 1985-05-30 1
USGS 182349066032600 PIEZOMETER JARDIN BOTANICO I-13, SAN JUAN, PR 1989-07-20 1989-07-20 1
USGS 182350066040900 VILLA NEVAREZ WELL, SAN JUAN, PR 1974-07-10 1985-04-01 5
USGS 182351066022800 MLAU WELL, SAN JUAN, PR 1963-02-11 1963-02-11 1
USGS 182351066032200 PIEZOMETER MAX BOHR I-12, SAN JUAN, PR 1989-07-20 1989-07-20 1
USGS 182351066032201 PIEZOMETER MAX BOHR II-12, SAN JUAN, PR 1989-07-20 1989-07-20 1
USGS 182352066035200 PLANTA PILOTO WELL, SAN JUAN, PR 1985-05-30 1985-05-30 1
USGS 182357066012800 PAM WELL, SAN JUAN, PR 1985-05-30 1985-05-30 1
USGS 182402066050200 BGRA WELL, SAN JUAN, PR 1974-10-10 1974-10-10 2
USGS 182406066032601 PIEZOMETER JARDIN BOTANICO II-13, SAN JUAN, PR 1989-07-20 1989-07-20 1
USGS 182406066034700 PIEZOMETER JARDIN BOTANICO III-19 SAN JUAN, PR 1989-07-20 2008-05-15 12
USGS 182411066045800 ISA WELL, SAN JUAN, PR 1974-10-02 1974-10-02 2
USGS 182417066042700 PIEZOMETER LAS AMERICAS I-10, SAN JUAN, PR 1989-07-19 1989-07-19 1
USGS 182417066042701 PIEZOMETER LAS AMERICAS II-10, SAN JUAN, PR 1989-07-19 1989-07-19 1
USGS 182418066040600 PIEZOMETER LOS OLMOS 11, SAN JUAN, PR 1989-07-20 1989-07-20 1
USGS 182432066023300 NC-3 RIO PIEDRAS WELL, SAN JUAN, PR 1986-05-19 1986-05-19 1
USGS 182435066052700 PIEZOMETER SALUD MENTAL I-5 SAN JUAN, PR 1989-07-19 2008-05-16 9
USGS 182435066052701 PIEZOMETER SALUD MENTAL II-5, SAN JUAN, PR 1989-07-19 1989-07-19 1
USGS 182437066040500 PIEZOMETER PARQUE FUENTES I-7, SAN JUAN, PR 1989-07-20 1989-07-20 1
USGS 182437066040501 PIEZOMETER PARQUE FUENTES II-7, SAN JUAN, PR 1989-02-16 1989-02-16 1
USGS 182439066015900 MAPER 1 WELL, SAN JUAN, PR 1980-01-15 1989-11-16 3
USGS 182440066030300 HAM 1 WELL, SAN JUAN, PR 1985-05-30 1985-05-30 1
USGS 182442066035000 ISABEL LA CATOLICA WELL, SAN JUAN, PR 1977-05-20 1977-05-20 2
USGS 182443066041502 PIEZOMETER MUNOZ MARIN 1C-8, SAN JUAN, PR 1989-07-19 1989-07-19 1
USGS 182445066043400 PIEZOMETER ALSACIA I-6, SAN JUAN, PR 1989-07-19 1989-07-19 1
USGS 182445066043401 PIEZOMETER ALSACIA II-6 SAN JUAN, PR 1989-07-19 2008-05-16 9
USGS 182446066000800 CCLU WELL, SAN JUAN, PR 1974-12-04 1974-12-04 2
USGS 182452066022700 LA COTORRA WELL, SAN JUAN, PR 1989-11-07 1989-11-07 1
USGS 182500066043300 PIEZOMETER MUNOZ MARIN 2-3, SAN JUAN, PR 1989-07-20 1989-07-20 1
USGS 182505066030900 MCCRAKEN NUEVO WELL, SAN JUAN, PR 1981-09-01 1982-07-15 3
USGS 182506066030800 MCCRAKEN VIEJO WELL, SAN JUAN, PR 1960-03-26 1980-01-15 4
USGS 182511066045400 PIEZOMETER LA ESPERANZA I-2, SAN JUAN, PR 1989-07-19 1989-07-19 1
USGS 182511066045401 PIEZOMETER LA ESPERANZA II-2, SAN JUAN, PR 1989-07-19 1989-07-19 1
USGS 182515066012200 LAGUNA SAN JOSE 8, SAN JUAN, PR 1986-10-15 1986-10-15 1
USGS 182526066030300 BAR WELL, SAN JUAN, PR 1989-11-08 1989-11-08 1
USGS 182527066040800 TM 1 WELL, SAN JUAN, PR 1962-04-17 1962-04-17 1
USGS 182529066032000 JULIA 2 WELL, SAN JUAN, PR 1948-01-01 1948-01-01 1
USGS 182530066015300 LAGUNA SAN JOSE 4, SAN JUAN, PR 1986-10-15 1986-10-15 1
USGS 182532066033200 BDPON WELL, SAN JUAN, PR 1989-11-09 1989-11-10 2
USGS 182541066025200 TRANSPORTACION WELL, SAN JUAN, PR 1989-11-08 1989-11-08 1
USGS 182637066042200 CORONA NC-15 WELL, SAN JUAN, PR 1988-02-04 1988-02-04 1
USGS 182647066042900 CORONA 1 WELL, SAN JUAN, PR 1973-07-11 1973-07-11 1
USGS 182701066045200 ARR WELL, SAN JUAN, PR 1954-06-26 1954-06-26 1
USGS 182723066055200 STORMWATER STATION AT ARMY AVIATION, SAN JUAN, PR 2020-10-05 2023-07-17 14
USGS 182726066042700 GUIJARRO WELL, SAN JUAN, PR 1962-04-17 1962-04-17 1
USGS 50048610 BAHIA DE SAN JUAN NO. 6, SAN JUAN PR 2002-02-26 2005-06-15 31
USGS 50048700 QUEBRADA LAS CURIAS NR RIO PIEDRAS, PR 1972-08-16 1976-06-02 10
USGS 50048750 QUEBRADA LAS CURIAS TRIBUTARY NR CAIMITO, PR 1972-08-16 1979-08-02 45
USGS 50048770 RIO PIEDRAS AT EL SENORIAL, PR 1996-01-01 2003-09-21 56
USGS 50048800 RIO PIEDRAS NR RIO PIEDRAS, PR 1971-10-15 2016-05-20 241
USGS 50048900 RIO PIEDRAS AT HWY 176 AT RIO PIEDRAS, PR 1965-02-08 1966-04-15 2
USGS 50049000 RIO PIEDRAS AT RIO PIEDRAS, PR 1960-03-28 1982-03-11 51
USGS 50049100 RIO PIEDRAS AT HATO REY, PR 1970-10-06 2024-02-15 296
USGS 50049300 QUEBRADA JOSEFINA AT PUERTO NUEVO, PR 1972-09-21 1973-06-12 4
USGS 50049710 CR2400 1994-12-15 1995-07-18 17
USGS 50049760 LAGUNA SAN JOSE NO. 1 AT SAN JUAN, PR 1973-12-03 1996-08-30 181
USGS 50049820 LAGUNA SAN JOSE NO. 2 AT SAN JUAN, PR 1973-12-03 2006-05-17 223
USGS 50049830 QDA JUAN MENDEZ NR REPARTO UNIVERSITARIO, SAN JUAN 2002-02-25 2005-06-21 18
USGS 50049840 MARTIN PENA CANAL AT BARBOSA BRDG AT SAN JUAN, PR 1974-01-20 1995-07-20 56
USGS 50049850 MPN500 1994-12-16 2005-06-14 40
USGS 50049900 MARTIN PENA CANAL AT CONST BRDG AT SAN JUAN, PR 1974-01-23 1974-01-24 35
USGS 50049920 BAHIA DE SAN JUAN NO. 5 AT SAN JUAN, PR 1973-12-05 2006-05-17 211
USGS 50049925 BAHIA DE SAN JUAN PYLON NO. 5, PR 1995-03-15 1995-07-19 4
USGS 50049930 BAHIA DE SAN JUAN NO. 4 AT SAN JUAN, PR 1973-12-05 1995-07-19 27
USGS 50049935 SJN600 1994-12-16 1995-07-19 9
USGS 50049940 BAHIA DE SAN JUAN NO. 3 AT SAN JUAN, PR 1970-10-31 2005-06-15 130
USGS 50049960 RIO PUERTO NUEVO AT MOUTH, SAN JUAN, PR 2002-02-27 2005-06-14 19
USGS 50050030 LAGUNA DEL CONDADO NO. 2 AT SANTURCE, PR 1973-12-05 1974-11-19 24
USGS 50050040 LAGUNA DEL CONDADO NO. 1 AT SANTURCE, PR 1973-12-05 1974-11-19 13
USGS 50050045 LAGUNA DEL CONDADO AT ASHFORD AVE BRDG AT SANTURCE 1974-01-24 1974-01-25 26
USGS 50050050 LAGUNA DEL CONDADO AT P. DOS HERMANOS AT SANTURCE 1974-01-24 1974-01-25 29
USGS 50050060 CANO SAN ANTONIO AT MOUTH, SAN JUAN PR 2002-02-26 2005-06-14 31
  group icon San Lorenzo Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 50050900 RIO GRANDE DE LOIZA AT QUEBRADA ARENAS, PR 1981-08-17 1982-03-10 5
USGS 50051000 RIO EMAJAGUA NR SAN LORENZO, PR 1958-03-18 2015-08-04 18
USGS 50051040 RIO GRANDE DE LOIZA AT HIGHWAY 902, PR 2005-03-10 2005-08-04 2
USGS 50051150 QUEBRADA BLANCA AT EL JAGUAL, PR 1995-10-14 1999-11-17 43
USGS 50051180 QUEBRADA SALVATIERRA NR SAN LORENZO, PR 1995-10-21 2000-09-18 64
USGS 50051300 RIO CAYAGUAS NR CERRO GORDO, PR 1963-03-07 1963-03-07 1
USGS 50051310 RIO CAYAGUAS AT CERRO GORDO, PR 1981-08-18 2004-09-22 1090
USGS 50051500 RIO CAYAGUAS NR SAN LORENZO, PR 1962-02-22 2024-02-14 53
USGS 50051800 RIO GRANDE DE LOIZA AT HWY 183 SAN LORENZO, PR 1995-12-12 2013-06-07 63
USGS 50052000 RIO GRANDE DE LOIZA AT SAN LORENZO, PR 1958-03-18 1976-12-16 4
USGS 50052300 RIO GRANDE DE LOIZA AT SAN LORENZO NORTE, PR 1965-02-05 1966-04-11 2
USGS 50052500 RIO GRANDE DE LOIZA AT ROOSEVELT, PR 1960-03-25 1985-10-16 7
  group icon San Sebastian Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181818067012300 VAR SPRING, SAN SEBASTIAN, PR 1960-10-04 1960-10-04 1
USGS 182018066593200 SAN SEBASTIAN WELL, SAN SEBASTIAN, PR 1967-04-01 1967-04-01 1
USGS 182205066543600 LAGO GUAJATACA 3 NR RIO GUAJATACA, SAN SEBASTIAN,P 1977-11-10 1982-02-23 9
USGS 182218067001900 QUEBRADA BEJUCO SPRING, SAN SEBASTIAN, PR 1960-10-05 1960-10-05 1
USGS 182237067020500 VAZ SPRING, SAN SEBASTIAN, PR 1960-08-26 1960-08-26 1
USGS 182258066552000 LAGO GUAJATACA 2 NR CENTER/LAKE, SAN SEBASTIAN, PR 1977-11-10 1978-01-09 5
USGS 182258067020300 PER 1 WEST SPRING, SAN SEBASTIAN, PR 1960-08-26 1960-08-26 1
USGS 182310066555200 PER 1 EAST SPRING, SAN SEBASTIAN, PR 1960-08-18 1960-08-18 1
USGS 182312066554600 PREY 2 SPRING, SAN SEBASTIAN, PR 1960-08-18 1960-08-18 1
USGS 182312067010500 LINO SPRING, SAN SEBASTIAN, PR 1960-08-26 1960-08-26 1
USGS 182324067000300 MORALES SPRING, SAN SEBASTIAN, PR 1960-08-26 1960-08-26 1
USGS 182333067000900 ARR SPRING, SAN SEBASTIAN, PR 1960-08-26 1960-08-26 1
USGS 182334066553300 SAN SEBASTIAN SPRING, SAN SEBASTIAN, PR 1960-08-18 1960-08-18 1
USGS 182338067001400 LOPEZ SPRING, SAN SEBASTIAN, PR 1960-08-30 1960-08-30 1
USGS 50010600 RIO GUAJATACA ABV LAGO DE GUAJATACA, PR 2012-11-13 2024-02-20 47
USGS 50143000 RIO GRANDE DE ANASCO NR LARES, PR 1959-02-02 2012-08-28 307
USGS 50143800 RIO GRANDE DE ANASCO NR LAS MARIAS, PR 1958-09-23 2007-08-28 13
USGS 50143930 RIO GRANDE DE ANASCO AT BO. GUACIO, PR 2005-08-27 2013-11-25 1131
USGS 50146675 RIO CULEBRINAS AT JUNCAL, PR 2007-03-05 2010-02-22 5
USGS 50146800 RIO CULEBRINAS AT HWY 119 AT SAN SEBASTIAN, PR 1958-04-01 2010-02-22 9
USGS 50147000 RIO CULEBRINAS AT SAN SEBASTIAN, PR 1962-02-20 1980-01-16 123
USGS 50147050 RIO CULEBRINAS AT COLINAS VERDES, PR 2007-03-06 2010-02-22 5
USGS 50147200 RIO GUATEMALA AT SAN SEBASTIAN, PR 1962-02-20 2015-08-20 16
USGS 50147400 RIO SONADOR NR SAN SEBASTIAN, PR 1962-02-20 2010-02-22 10
USGS 50147450 RIO SONADOR AT MOUTH, PR 2007-03-07 2015-08-20 10
USGS 50147475 QUEBRADA SALADA AT HIGHWAY 125, PR 2007-03-05 2015-08-19 10
USGS 50147595 QUEBRADA GRANDE AT POZAS, PR 2007-03-05 2015-09-02 11
USGS 50147600 RIO CULEBRINAS NR SAN SEBASTIAN, PR 1979-11-29 2012-08-29 166
USGS 50147630 QUEBRADA EL SALTO AT HATO ARRIBA, PR 2007-03-06 2015-08-19 12
  group icon Santa Isabel Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 175728066225800 PRESBITERO WELL, SANTA ISABEL, PR 2007-04-18 2007-04-18 1
USGS 175734066233300 ALOMAR OESTE WELL, SANTA ISABEL, PR 2003-04-02 2015-01-28 9
USGS 175734066233301 ALOMAR ESTE WELL, SANTA ISABEL, PR 2007-05-18 2007-05-18 1
USGS 175743066253800 ROMAN WELL, SANTA ISABEL, PR 1967-04-12 1967-12-01 7
USGS 175748066233000 CALAMBRENAS 3 WELL, SANTA ISABEL, PR 1967-02-08 1967-02-08 1
USGS 175748066234200 RELIANT 2 WELL, SANTA ISABEL, PR 2007-04-18 2015-09-21 7
USGS 175751066240100 FLORIDA DOMESTIC WELL, SANTA ISABEL, PR 1967-09-26 1967-09-26 1
USGS 175756066244001 PLAYA 3 WELL, SANTA ISABEL, PR 2004-02-11 2008-05-14 7
USGS 175758066234200 FLORIDA 2 WELL, SANTA ISABEL, PR 1967-03-29 1967-03-29 1
USGS 175758066242600 VEGETALERA WELL, SANTA ISABEL, PR 1964-08-14 1967-12-01 4
USGS 175758066242700 BER BTR WELL, SANTA ISABEL, PR 2007-04-12 2015-09-21 6
USGS 175803066223700 JAUCA DOMESTIC WELL, SANTA ISABEL, PR 1967-06-26 1967-11-08 4
USGS 175804066244600 SANTA ISABEL WELL, SANTA ISABEL, PR 2008-05-07 2008-05-07 1
USGS 175808066254600 BUR BTR WELL, SANTA ISABEL, PR 1960-11-03 1967-11-09 6
USGS 175813066235100 CALAMBRENAS 4 WELL, SANTA ISABEL, PR 1960-11-01 1967-02-08 2
USGS 175813066250900 MER BTR WELL, SANTA ISABEL, PR 1960-10-31 1960-10-31 1
USGS 175816066223900 DESTINO DOMESTIC WELL, SANTA ISABEL, PR 1967-02-07 1967-06-15 2
USGS 175819066253900 BOCA WELL, SANTA ISABEL, PR 1960-11-03 1967-12-04 6
USGS 175820066215000 JAUCA 2B WELL, SANTA ISABEL, PR 1960-12-01 1967-12-04 6
USGS 175821066241900 VIL WELL, SANTA ISABEL, PR 1963-04-22 1963-04-22 1
USGS 175821066250300 VAPOR MERCADO WELL, SANTA ISABEL, PR 1960-10-31 1967-10-18 3
USGS 175824066241700 ISABEL NUEVO WELL, SANTA ISABEL, PR 1959-05-25 1967-03-27 3
USGS 175825066233900 CALAMBRENAS 6 WELL, SANTA ISABEL, PR 1967-02-01 2014-10-15 8
USGS 175829066231800 CALAMBRENAS 2 WELL, SANTA ISABEL, PR 1967-02-08 1967-07-20 2
USGS 175829066232200 ALOMAR 1 WELL, SANTA ISABEL, PR 1960-11-01 2008-04-16 7
USGS 175830066231000 CALAMBRENAS 5 WELL, SANTA ISABEL, PR 1967-10-17 2008-05-05 2
USGS 175832066255000 CHA DOMESTIC WELL, SANTA ISABEL, PR 1967-10-18 1967-10-18 1
USGS 175835066223600 JAUCA MCC WELL, SANTA ISABEL, PR 2007-04-12 2008-05-06 2
USGS 175839066253900 AGUACATITO WELL, SANTA ISABEL, PR 1960-11-01 2015-09-22 9
USGS 175841066214100 VAL DESTINO WELL, SANTA ISABEL, PR 1960-10-25 1967-10-17 3
USGS 175843066211900 TEX DOMESTIC WELL, SANTA ISABEL, PR 1967-02-03 1967-08-14 4
USGS 175843066231100 POZO DESTINO 8, SANTA ISABEL, PR 2008-05-08 2008-05-08 1
USGS 175843066244100 JOBITOS BTR WELL, SANTA ISABEL, PR 1960-10-31 2008-05-14 6
USGS 175843066252100 HESS 2 WELL, SANTA ISABEL, PR 1960-11-01 1967-02-10 2
USGS 175844066241500 PASO SECO P6 WELL, SANTA ISABEL, PR 2007-04-05 2008-05-06 2
USGS 175845066244000 JOBITOS WELL, SANTA ISABEL, PR 1967-10-18 1967-10-18 1
USGS 175848066213300 TEX 3 WELL, SANTA ISABEL, PR 1967-06-13 2014-10-16 8
USGS 175848066253100 CAZU 3 WELL, SANTA ISABEL, PR 2007-04-11 2015-09-22 8
USGS 175850066243200 BOMBA BOSTON WELL, SANTA ISABEL, PR 1967-02-08 1967-03-27 2
USGS 175851066255100 MEJ DEEP WELL, SANTA ISABEL, PR 1967-06-16 1967-10-18 2
USGS 175854066205400 MAR DOMESTIC WELL, SANTA ISABEL, PR 1961-11-01 1961-11-01 1
USGS 175856066223500 DESTINO BTR WELL, SANTA ISABEL, PR 1960-10-25 1967-02-07 2
USGS 175857066203000 RIO JUEYES 1 WELL, SANTA ISABEL, PR 1960-10-25 1967-10-17 6
USGS 175857066223500 DESTINO 1A WELL, SANTA ISABEL, PR 2011-08-11 2012-05-08 2
USGS 175859066213000 HIGUERO BTR WELL, SANTA ISABEL, PR 1960-10-25 1967-02-03 2
USGS 175908066232100 DESTINO 3 WELL, SANTA ISABEL, PR 1960-10-26 1967-06-15 2
USGS 175911066242400 CAN WELL, SANTA ISABEL, PR 1960-10-26 2008-05-05 2
USGS 175912066221500 JAUCA 1 WELL, SANTA ISABEL, PR 1967-02-03 2008-05-07 2
USGS 175913066235900 TOMATO WELL, SANTA ISABEL, PR 1967-06-15 1967-06-15 1
USGS 175916066203300 PALES WELL, SANTA ISABEL, PR 1960-10-24 1967-10-17 2
USGS 175916066235600 PASO SECO IV P WELL, SANTA ISABEL, PR 2007-04-11 2008-05-08 2
USGS 175917066205400 TEXIDOR 2 WELL, SANTA ISABEL, PR 1960-10-25 2008-05-07 4
USGS 175919066235100 EL OJO 1A WELL, SANTA ISABEL, PR 1974-12-01 1974-12-01 1
USGS 175920066251700 POZO TORRES, SANTA ISABEL, PR 2007-04-11 2007-04-11 1
USGS 175921066220100 UBA WELL, SANTA ISABEL, PR 1967-06-15 1988-03-15 2
USGS 175921066234800 FEL 4 WELL, SANTA ISABEL, PR 1986-08-06 1986-08-06 1
USGS 175921066250100 BUENA VISTA 2 WELL, SANTA ISABEL, PR 1960-10-03 1967-03-29 4
USGS 175921066252700 TOR NEW WELL, SANTA ISABEL, PR 2008-05-06 2008-05-06 1
USGS 175929066205200 DIA 1 WELL, SANTA ISABEL, PR 1960-10-25 1967-06-27 2
USGS 175929066243800 BOSTON 3 WELL, SANTA ISABEL, PR 1967-02-09 1967-02-09 1
USGS 175932066222300 DESTINO 1B WELL, SANTA ISABEL, PR 1960-10-25 1967-10-17 2
USGS 175934066253600 BUENA VISTA 1 BTR WELL, SANTA ISABEL, PR 2008-05-07 2008-05-07 1
USGS 175935066261000 DESCALABRADO WELL, SANTA ISABEL, PR 1956-08-01 1966-02-24 2
USGS 175936066245400 IRRIGATION WELL, NO. 34, SANTA ISABEL, PR 2008-05-07 2008-05-07 1
USGS 175937066203900 DIA 2 WELL, SANTA ISABEL, PR 1961-11-01 1967-06-14 4
USGS 175940066245800 DEL 2 WELL, SANTA ISABEL, PR 1967-02-09 1967-03-29 2
USGS 175941066221400 DESTINO 6 WELL, SANTA ISABEL, PR 1988-01-26 2008-05-08 2
USGS 175942066240200 SANSON 3 WELL, SANTA ISABEL, PR 2008-05-09 2008-05-09 1
USGS 175942066251900 ALTURA 2 WELL, SANTA ISABEL, PR 1960-11-03 1988-03-18 3
USGS 175943066224800 PASO SECO 7 WELL, SANTA ISABEL, PR 2003-02-13 2008-04-16 6
USGS 175949066243400 FINCA DE PALMAS WELL, SANTA ISABEL, PR 2008-05-07 2008-05-07 1
USGS 175950066233900 PASO SECO 6 WELL, SANTA ISABEL, PR 1960-10-26 1967-02-07 2
USGS 175952066203100 CANAL JUANA DIAZ, SANTA ISABEL, PR 1989-05-24 1989-05-24 1
USGS 175952066245500 OBD WELL, SANTA ISABEL, PR 1967-10-18 1967-10-18 1
USGS 175953066222500 DESTINO 4 WELL, SANTA ISABEL, PR 1960-10-25 1988-08-01 3
USGS 175954066210500 SAN 1 BTR WELL, SANTA ISABEL, PR 1967-06-14 1987-04-07 2
USGS 175954066260200 CORTADA PLAZA WELL, SANTA ISABEL, PR 1966-03-29 1988-11-07 3
USGS 175955066210502 SAN DOMESTIC WELL, SANTA ISABEL, PR 2008-05-08 2008-05-08 1
USGS 175955066225000 PASO SECO 3 WELL, SANTA ISABEL, PR 1960-10-26 1967-02-03 2
USGS 175959066205500 ESMERALDA SOUTH BTR WELL, SANTA ISABEL, PR 1967-06-14 1967-06-14 1
USGS 175959066210200 SAN 2 WELL, SANTA ISABEL, PR 1960-10-25 1967-06-27 2
USGS 175959066253000 CENTRO VIA WELL, SANTA ISABEL, PR 1967-03-28 2008-05-06 2
USGS 180005066225500 PORVENIR 2 NORTH WELL, SANTA ISABEL, PR 1967-06-15 2008-05-05 2
USGS 180007066245500 ALTURA 1 WELL, SANTA ISABEL, PR 1967-02-09 2014-10-21 7
USGS 180007066255400 BRI 1 WELL, SANTA ISABEL, PR 1966-05-10 1966-05-10 1
USGS 180008066230500 PORVENIR 3 WELL, SANTA ISABEL, PR 1960-11-01 1960-11-01 1
USGS 180015066235900 EL OJO 2B WELL, SANTA ISABEL, PR 1960-11-03 2008-05-09 3
USGS 180016066235000 OBD 2 WELL, SANTA ISABEL, PR 1967-06-16 1967-10-18 2
USGS 180018066260500 BRI 2 WELL, SANTA ISABEL, PR 1960-11-03 1967-05-26 3
USGS 180026066253500 CENTRO 11 WELL, SANTA ISABEL, PR 1967-05-11 1967-05-26 2
USGS 180026066255600 DESCALABRADO 1 WELL, SANTA ISABEL, PR 1967-10-19 1967-10-19 1
USGS 180033066254800 MEL WELL, SANTA ISABEL, PR 1966-02-24 1967-06-16 3
USGS 180034066230300 BAL 5 WELL, SANTA ISABEL, PR 1967-10-18 1967-10-18 1
USGS 180036066245500 ALTURA 3 WELL, SANTA ISABEL, PR 1990-08-27 1990-08-27 1
USGS 180039066232200 BAL 4 WELL, SANTA ISABEL, PR 1967-04-14 1967-10-17 2
USGS 180040066223000 BAL 3 WELL, SANTA ISABEL, PR 1967-02-15 1967-02-15 1
USGS 180041066222900 BAL WELL, SANTA ISABEL, PR 1967-10-13 1967-10-17 2
USGS 180042066211000 QUI WELL, SANTA ISABEL, PR 1967-02-17 1967-10-17 2
USGS 180054066215400 SUR WELL, SANTA ISABEL, PR 1960-12-25 1967-06-15 3
USGS 180058066225500 BAL 1 WELL, SANTA ISABEL, PR 1960-11-01 1967-02-14 2
USGS 180126066230200 PJIM WELL, SANTA ISABEL,PR 2008-05-08 2008-05-08 1
USGS 50103100 RIO CAYURES AT HWY 1, SANTA ISABEL, PR 2006-02-28 2015-08-05 9
USGS 50106830 RIO COAMO AT JAUCA 2, SANTA ISABEL, PR 2008-05-15 2008-05-15 1
USGS 50106910 RIO COAMO BLW PASO SECO, SANTA ISABEL PR 2008-05-15 2008-05-15 1
USGS 50107000 RIO COAMO NR SANTA ISABEL, PR 2006-02-28 2011-03-22 3
USGS 50108375 RIO DESCALABRADO AT DESCALABRADO, SANTA ISABEL, PR 2006-02-28 2011-03-22 3
USGS 50108500 RIO DESCALABRADO NR SANTA ISABEL, PR 1960-03-15 2011-03-22 9
USGS 50111330 CANAL DE JUANA DIAZ AT PASO SECO NR SANTA ISABEL 2008-05-15 2008-05-15 1
  group icon Toa Alta Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181933066122800 LAGO LA PLATA 5, TOA ALTA, PR 1980-03-28 1982-03-01 7
USGS 181950066140600 LAGO LA PLATA 3 NR DAM NR NARANJITO, TOA ALTA, PR 1980-03-28 1981-07-02 5
USGS 182126066120100 RAM WELL, TOA ALTA, PR 1985-04-19 1985-04-19 1
USGS 182153066144200 DSAN 2 WELL, TOA ALTA, PR 1964-09-01 1964-09-01 1
USGS 182238066171000 RIO LAJAS 1 SPRING, TOA ALTA, PR 1961-05-20 1961-05-20 1
USGS 182250066145200 RFER WELL, TOA ALTA, PR 1963-01-03 1963-01-03 1
USGS 182304066165900 RIO LAJAS 2 SPRING, TOA ALTA, PR 1961-05-20 1961-05-20 1
USGS 182332066150400 ALOP WELL, TOA ALTA, PR 1957-10-23 1957-10-28 2
USGS 182341066142400 CMITA WELL, TOA ALTA, PR 1985-05-22 1985-05-22 1
USGS 50044400 LAGO LA PLATA NO. 5 NR MOUTH NR NARANJITO, PR 1980-03-28 2005-02-17 100
USGS 50044950 LAGO LA PLATA NO. 3 NR DAMSITE NR NARANJITO, PR 1980-03-28 2002-07-10 141
USGS 50045000 LAGO LA PLATA AT DAMSITE NR TOA ALTA, PR 2010-04-08 2010-05-13 3
USGS 50045010 RIO DE LA PLATA BLW LA PLATA DAMSITE, PR 1995-10-23 2000-08-24 38
USGS 50045500 RIO BUCARABONES AT MOUTH, TOA ALTA, PR 2013-07-11 2015-08-03 7
USGS 50045800 RIO LAJAS AT TOA ALTA PR 1958-03-26 2015-08-03 49
  group icon Toa Baja Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 182417066130700 SANTA ELENA WELL, TOA BAJA, PR 1985-05-08 1985-05-08 1
USGS 182443066134600 PENNOCK 2 WELL, TOA BAJA, PR 1961-05-02 1961-05-02 1
USGS 182501066142000 MCON NORTH WELL, TOA BAJA, PR 1980-01-15 1980-01-15 1
USGS 182518066104400 RIO PLANTATION 2CP WELL, TOA BAJA, PR 1972-05-02 1976-03-25 2
USGS 182519066104300 RIO PLANTATION 2 WELL, TOA BAJA, PR 1972-05-02 1972-05-02 1
USGS 182530066135400 CAMPANILLA NAVY WELL, TOA BAJA, PR 1976-08-10 2008-04-21 6
USGS 182537066153300 NEVAREZ 1 WELL, TOA BAJA, PR 1982-10-29 1982-10-29 1
USGS 182547066110700 SABANA SECA 1 WELL, TOA BAJA, PR 1960-10-01 1980-02-12 6
USGS 182548066122300 CPPRO WELL, TOA BAJA, PR 1981-09-01 1982-07-06 3
USGS 182550066112900 USN 2 WELL, TOA BAJA, PR 1953-12-09 1959-09-01 4
USGS 182554066152900 SANTA ELENA NORTH WELL, TOA BAJA, PR 1962-04-18 1992-03-23 2
USGS 182620066114000 COQUI WELL, TOA BAJA, PR 1963-04-09 1963-04-09 1
USGS 182622066114700 RCAOCHO WELL, TOA BAJA, PR 1963-04-09 1963-04-09 1
USGS 182623066140200 TMUN WEST WELL, TOA BAJA, PR 1985-05-08 1985-05-08 1
USGS 182630066122300 NC-13 WELL, TOA BAJA, PR 1987-10-13 1987-10-15 2
USGS 182654066150600 PIEZOMETER 1 TOA BAJA, PR 2003-04-03 2008-04-11 3
USGS 182826066150900 FONALLEDA SPRING, TOA BAJA, PR 1962-04-19 1962-04-19 1
USGS 50046500 LEVITTOWN LAKE 7, TOA BAJA, PR 2010-04-22 2010-12-29 16
USGS 50046505 LEVITTOWN LAKE 6, TOA BAJA, PR 2010-04-22 2010-12-29 16
USGS 50046515 LEVITTOWN LAKE 1, TOA BAJA, PR 2010-04-22 2011-11-30 22
USGS 50046520 LEVITTOWN LAKE 2, TOA BAJA, PR 2010-04-22 2010-12-29 16
USGS 50046525 LEVITTOWN LAKE 3, TOA BAJA, PR 2010-04-22 2011-11-30 22
USGS 50046530 LEVITTOWN LAKE 4, TOA BAJA, PR 2010-04-22 2010-12-29 16
USGS 50046535 LEVITTOWN LAKE 5, TOA BAJA, PR 2010-04-22 2010-12-29 16
  group icon Trujillo Alto Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181954066014900 ZAL SPRING, TRUJILLO ALTO, PR 1961-07-28 1961-07-28 1
USGS 182020066014000 CARRAIZO WELL, TRUJILLO ALTO, PR 1980-03-01 1980-03-01 1
USGS 182058066013700 QGAR WELL, TRUJILLO ALTO, PR 1966-07-17 1966-07-17 1
USGS 182116066002900 ANT 410 WELL, TRUJILLO ALTO, PR 1963-02-18 1963-02-18 1
USGS 182128066002700 PRIP WELL, TRUJILLO ALTO, PR 1963-02-18 1963-02-18 1
USGS 50058700 LAGO LOIZA STATION NO. 6, PR 1973-11-20 1974-10-29 33
USGS 50058800 LAGO LOIZA NO. 7 NR DAMSITE NR TRUJILLO ALTO, PR 1973-11-20 2002-07-11 170
USGS 50058900 LAGO LOIZA STATION NO. 8, PR 1973-09-21 1974-01-11 6
USGS 50059000 LAGO LOIZA AT DAMSITE NEAR TRUJILLO ALTO, PR 1958-09-11 2012-08-29 269
USGS 50059050 RIO GRANDE DE LOIZA BLW LOIZA DAMSITE, PR 1996-01-15 2000-08-27 58
USGS 50059100 RIO GRANDE DE LOIZA BLW TRUJILLO ALTO, PR 1976-05-24 2024-02-15 210
USGS 50059210 QUEBRADA GRANDE AT BO. DOS BOCAS, PR 2005-03-08 2015-08-13 9
USGS 50060200 QUEBRADA MARACUTA AT TRUJILLO BAJO, PR 2005-03-10 2015-08-13 8
  group icon Utuado Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181719066440100 CAYUCO 2 WELL, UTUADO, PR 1972-02-11 1972-02-11 1
USGS 181720066435800 CAYUCO 1 WELL, UTUADO, PR 1972-06-14 1972-06-14 2
USGS 181739066453000 SPA WELL, UTUADO, PR 1967-05-04 1967-05-04 1
USGS 181915066401100 LAGO DOS BOCAS 3 AT WEST BRANCH, UTUADO, PR 1977-11-10 1982-02-24 9
USGS 181926066392400 LAGO DOS BOCAS 2 AT EAST BRANCH, UTUADO, PR 1977-11-10 1978-01-17 5
USGS 50014000 RIO CRIMINALES NR LARES, PR 1959-02-18 1977-12-01 46
USGS 50021500 RIO PELLEJAS NR UTUADO, PR 1969-04-03 2000-10-31 87
USGS 50021700 RIO GRANDE DE ARECIBO ABV UTUADO, PR 2001-12-17 2004-10-06 10
USGS 50021800 RIO GUAONICA NR UTUADO, PR 2000-03-28 2000-10-31 2
USGS 50021900 QUEBRADA ARENAS NR UTUADO, PR 2000-03-29 2000-11-02 2
USGS 50022800 RIO VIVI AT HACIENDA EL PROGRESO, PR 1973-08-23 1974-12-14 9
USGS 50022810 RIO VIVI BLW HACIENDA EL PROGRESO, PR 2001-10-28 2004-07-13 7
USGS 50023000 RIO VIVI NR CENTRAL PELLEJAS, PR 1963-01-14 2000-10-30 176
USGS 50023300 RIO VIVI DIVERSION TUNNEL OUTLET NR UTUADO, PR 1969-11-26 1974-12-14 43
USGS 50023650 QUEBRADA JORDAN AT HWY 111 BLW LAGO JORDAN, PR 2000-03-27 2000-10-30 2
USGS 50024300 RIO VIVI AT HWY 111 NR UTUADO, PR 2000-03-29 2000-11-02 2
USGS 50024500 RIO VIVI AT UTUADO, PR 1959-02-19 1966-04-14 8
USGS 50024600 RIO VIVI ABV RIO GRANDE DE ARECIBO AT UTUADO, PR 2000-03-29 2000-11-02 2
USGS 50024800 RIO GRANDE DE ARECIBO AT HWY 10 NR UTUADO, PR 1974-01-18 1974-11-08 5
USGS 50024945 RIO CAGUANAS AT HWY 10 NR UTUADO, PR 2000-03-29 2000-11-01 2
USGS 50024950 RIO GRANDE DE ARECIBO BLW UTUADO, PR 1996-06-19 2005-09-18 80
USGS 50025000 RIO GRANDE DE ARECIBO NR UTUADO, PR 1958-03-31 2024-02-06 378
USGS 50025100 RIO GRANDE DE ARECIBO NR LAGO DOS BOCAS, PR 1958-03-31 1988-03-09 6
USGS 50025110 LAGO DOS BOCAS NO. 3 AT WEST BRANCH NR UTUADO, PR 1978-01-17 2002-07-12 106
USGS 50025900 RIO JAUCA AT MOUTH NR JAYUYA, PR 1958-03-31 2000-10-30 6
USGS 50026050 RIO CAONILLAS ABV LAGO CAONILLAS, PR 1979-11-28 2012-08-08 163
USGS 50026200 RIO CAONILLAS BLW LAGO CAONILLAS TUNNEL, PR 2000-03-30 2003-08-13 6
USGS 50026250 RIO LIMON AT HWY 613 NR TETUAN, PR 2000-03-30 2000-11-02 2
USGS 50026350 RIO LIMON ABV CONFLUENCE WITH RIO YUNES, PR 2000-03-30 2024-02-06 48
USGS 50026925 RIO YUNES AT FRONTON, PR 2000-03-30 2000-11-02 2
USGS 50026950 RIO YUNES AT MOUTH NR MAMEYES ABAJO, PR 2000-03-30 2024-02-07 49
USGS 50027000 RIO LIMON ABV LAGO DOS BOCAS, PR 1959-02-19 2005-04-18 35
USGS 50027900 RIO TANAMA NR CAGUANA, PR 2000-03-31 2000-11-08 2
USGS 50028000 RIO TANAMA NR UTUADO, PR 1958-09-23 2024-02-20 2411
  group icon Vega Alta Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 182330066185700 PAMPANO 2 WELL, VEGA ALTA, PR 1977-07-14 2008-04-21 10
USGS 182359066213200 ALMIRANTE 1 WELL, VEGA ALTA, PR 1982-01-01 1982-01-01 1
USGS 182446066194701 CP, VEGA ALTA, PR 1986-02-13 1993-09-29 81
USGS 182446066194702 PB, VEGA ALTA, PR 1986-02-13 1993-09-29 78
USGS 182446066194703 CENTRO DE SALUD, VEGA ALTA, PR 1986-02-13 1993-09-29 80
USGS 182453066184300 SH WELL, VEGA ALTA, PR 1963-04-11 1963-04-11 1
USGS 182456066192500 REMINGTON WELL, VEGA ALTA, PR 1958-03-25 1958-03-25 1
USGS 182459066192400 GELE WELL, VEGA ALTA, PR 1982-10-19 1982-10-19 1
USGS 182459066193400 LEVI 2 WELL, VEGA ALTA, PR 1982-10-19 1982-10-19 1
USGS 182500066193400 LEVI 1 WELL, VEGA ALTA, PR 1982-10-09 1982-10-09 1
USGS 182504066195400 VEGA ALTA 4 WELL, VEGA ALTA, PR 1967-05-11 1967-05-11 1
USGS 182511066195600 BAJURA 4 WELL, VEGA ALTA, PR 1980-10-12 1989-01-31 30
USGS 182512066194800 MANATI WELL, VEGA ALTA, PR 1969-09-03 1980-02-12 2
USGS 182515066194000 PONDEROSA 1 WELL, VEGA ALTA, PR 1976-02-05 1983-01-14 7
USGS 182517066194100 PONDEROSA WELL, VEGA ALTA, PR 1982-11-03 1989-01-31 8
USGS 182517066194101 PONDEROSA OUT WELL, VEGA ALTA, PR 1986-03-03 1989-10-26 11
USGS 182517066201900 BAJURA 1 WELL, VEGA ALTA, PR 1959-03-03 1980-02-12 2
USGS 182524066202600 BAJURA VIEJO WELL, VEGA ALTA, PR 1967-01-27 1978-07-01 3
USGS 182530066203300 BAJURA 2 WELL, VEGA ALTA, PR 1962-01-31 1980-02-12 2
USGS 182556066192500 MONTERREY 2 WELL, VEGA ALTA, PR 1982-11-11 1982-11-11 1
USGS 182559066181200 MONTERREY 1 WELL, VEGA ALTA, PR 1973-07-11 1973-07-11 1
USGS 182606066200300 OILL 2 WELL, VEGA ALTA, PR 1982-10-19 2012-10-17 2
USGS 182606066200700 OILL1 WELL, VEGA ALTA, PR 1982-10-19 1982-10-19 1
USGS 182610066200000 EL MORRO WELL, VEGA ALTA, PR 1982-10-19 1982-10-19 1
USGS 182610066204700 SANTA ROSA 2 WELL, VEGA ALTA, PR 1969-09-03 1982-11-08 3
USGS 182647066201700 SABANA HOYOS 2 WELL, VEGA ALTA, PR 1982-11-08 2008-04-21 8
USGS 182653066190200 ARENAS WELL, VEGA ALTA, PR 1982-11-16 2014-10-28 4
USGS 182750066204900 PENNOCK 2 WELL, VEGA ALTA, PR 1963-01-01 1963-01-01 1
USGS 182751066195500 MEDINA 1 WELL, VEGA ALTA, PR 1982-10-25 1982-10-25 1
USGS 182751066204500 PENNOCK 1 WELL, VEGA ALTA, PR 1962-04-19 1973-08-31 2
USGS 182753066204000 MNUR 2 WELL, VEGA ALTA, PR 2011-07-29 2012-08-06 2
USGS 182754066203900 PENNOCK 4 WELL, VEGA ALTA, PR 1962-11-14 1962-11-14 1
USGS 182755066204200 PENNOCK 3 WELL, VEGA ALTA, PR 1962-11-14 1962-11-14 1
USGS 182756066203200 CERRO GORDO N2 WELL, VAGA ALTA, PR 1982-10-20 1982-10-20 1
USGS 182756066205200 CERRO GORDO N1 WELL, VEGA ALTA, PR 1982-10-20 1982-10-20 1
USGS 182758066200100 BREN 1 WELL, VEGA ALTA, PR 1963-04-10 1963-04-10 1
USGS 182806066200700 SANTIAGO WELL, VEGA ALTA, PR 1982-11-10 1982-11-10 1
USGS 182811066193100 MORALES 2 WELL, VEGA ALTA, PR 1982-10-25 1982-10-25 1
USGS 182813066195100 OQUENDO WELL, VEGA ALTA, PR 1963-04-10 1963-04-10 1
USGS 182814066193000 MORALES 1 WELL, VEGA ALTA, PR 1982-10-25 1982-10-25 1
USGS 182815066192300 BREN 2 WELL, VEGA ALTA, PR 1963-04-10 1963-04-10 1
USGS 182816066194000 NAVEDO WELL, VEGA ALTA, PR 1982-10-21 1982-10-21 1
USGS 182817066190500 MUNDO WELL, VEGA ALTA, PR 1962-04-19 1962-04-19 1
USGS 182824066194000 SALVADOR WELL, VEGA ALTA, PR 1982-10-21 1982-10-21 1
USGS 182836066193200 CRU WELL, VEGA ALTA, PR 1982-01-01 1982-01-01 1
USGS 182841065191401 PAMPANOS 1 WELL, VEGA ALTA, PR 1986-03-06 1986-11-25 4
USGS 182842066193300 OTERO WELL, VEGA ALTA, PR 1982-10-25 1982-10-25 1
USGS 182903066205300 CIBUCO WELL, VEGA ALTA, PR 1962-04-19 1962-04-19 1
USGS 50038400 RIO CIBUCO NR VEGA ALTA, PR 1958-03-25 1959-02-23 2
USGS 50038500 RIO CIBUCO NR VEGA BAJA, PR 1958-03-25 1969-09-10 86
USGS 50038600 RIO UNIBON NR MOROVIS, PR 1958-03-25 1970-10-07 14
USGS 50038720 RIO MOROVIS NR MOROVIS, PR 1958-03-25 1958-09-18 2
  group icon Vega Baja Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 182308066260400 GMAR WELL, VEGA BAJA, PR 2003-02-21 2008-04-09 9
USGS 182320066255200 CAT WELL, VEGA BAJA, PR 1992-10-02 1992-10-02 2
USGS 182328066252900 BEA WELL, VEGA BAJA, PR 1985-05-09 1992-09-29 2
USGS 182426066260400 PERICA WELL, VEGA BAJA, PR 1995-02-14 1997-08-20 2
USGS 182428066251200 FEM WELL, VEGA BAJA, PR 1968-01-17 1968-01-17 1
USGS 182548066251000 PALO ALTO 3 WELL, VEGA BAJA, PR 1995-01-27 1995-01-27 1
USGS 182614066261500 PALO ALTO 2 WELL, VEGA BAJA, PR 1995-01-17 1995-01-17 2
USGS 182634066254800 SOBRINO WELL, VEGA BAJA, PR 1988-12-12 1995-05-26 8
USGS 182640066215800 CARMELITA WELL, VEGA BAJA, PR 1982-11-09 1982-11-09 1
USGS 182641066245700 DES WELL, VEGA BAJA, PR 1963-05-01 1963-05-01 1
USGS 182643066260200 OILL WELL, VEGA BAJA, PR 1992-09-03 1992-09-03 1
USGS 182656066221600 CEIBA 1 WELL, VEGA BAJA, PR 1982-11-09 1982-11-09 1
USGS 182657066250600 OJO DE AGUA SPRING, VEGA BAJA, PR 1981-10-02 2015-03-18 62
USGS 182704066231100 KIRKWING SHALLOW WELL, VEGA BAJA, PR 1962-04-19 1962-04-19 1
USGS 182712066251700 PIEZOMETER TORTUGUERO 3, VEGA BAJA, PR 2003-02-24 2008-04-09 3
USGS 182715066245600 TORTUGUERO 3 WELL, VEGA BAJA, PR 1951-03-07 1980-07-01 7
USGS 182735066205700 PINERO WELL, VEGA BAJA, PR 1973-08-23 1973-08-27 2
USGS 182739066205800 JDOR 1 WELL, VEGA BAJA, PR 1982-10-20 1982-10-20 1
USGS 182739066223000 RICE PROGRAM 4 WELL, VEGA BAJA, PR 1982-11-09 1982-11-09 1
USGS 182751066221900 RICE PROGRAM 3 WELL, VEGA BAJA, PR 1982-11-09 1982-11-09 1
USGS 182758066251700 MOLINO ROJO 1 WELL, VEGA BAJA, PR 1973-03-07 2011-08-05 2
USGS 182801066251900 MOLINO ROJO 2 WELL, VEGA BAJA, PR 1963-05-01 1963-05-01 1
USGS 182815066273000 COTO SUR 1 C670 K2.9 WELL, VEGA BAJA, PR 1986-03-19 1986-11-25 6
USGS 182845066240300 LATONI WELL, VEGA BAJA, PR 1962-04-19 1962-04-19 1
USGS 182854066211900 FCIB WELL, VEGA BAJA, PR 1982-11-10 1982-11-10 1
USGS 182904066234700 JIMENEZ 1 WELL, VEGA BAJA, PR 1963-04-30 1963-04-30 1
USGS 182905066212900 FAADM WELL, VEGA BAJA, PR 1962-04-19 1962-04-19 1
USGS 182940066234800 PLAYA DE PUERTO NUEVO, VEGA BAJA, PR 2011-09-09 2013-08-22 3
USGS 50038800 RIO INDIO NR VEGA ALTA, PR 1958-03-25 1959-02-20 2
USGS 50039000 RIO INDIO NR VEGA BAJA, PR 1958-09-18 2015-08-14 99
USGS 50039500 RIO CIBUCO AT VEGA BAJA, PR 1972-11-06 2024-02-27 264
USGS 50039600 RIO CIBUCO AT CENTRAL SAN VICENTE, PR 1969-01-28 1973-03-26 43
USGS 50039650 DRAINAGE DITCH BLW WARNER LAMBERT LAB. NR SABANA 1982-05-25 1986-04-22 22
USGS 50039700 DRAINAGE DITCH AT RIO CIBUCO BLW B0 SAN VICENTE PR 1982-05-26 1986-04-21 24
USGS 50039750 RIO CIBUCO BLW CENTRAL SAN VICENTE, PR 1982-05-25 1986-04-21 24
  group icon Vieques Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 180559065272000 PIEZOMETER VIEQUES 10 P1, VIEQUES, PR 1986-06-05 1986-06-05 1
USGS 180630065271300 PIEZOMETER VIEQUES 16, VIEQUES, PR 1986-05-08 1986-05-08 1
USGS 180631065272000 PIEZOMETER VIEQUES 14, VIEQUES, PR 1986-05-14 1986-05-14 1
USGS 180637065330700 USN 11 WELL, VIEQUES, PR 1963-03-05 1963-03-05 1
USGS 180640065330700 USN 9 WELL, VIEQUES, PR 1965-03-04 1965-03-04 1
USGS 180644065234300 USN 4 WELL, VIEQUES, PR 1963-03-05 1963-03-05 1
USGS 180659065325900 USN 8 WELL, VIEQUES, PR 1963-03-05 1963-03-05 1
USGS 180705065261600 USM 11 WELL, VIEQUES, PR 1965-07-12 1965-07-12 1
USGS 180709065261600 USM 10 WELL, VIEQUES, PR 1965-07-01 1965-07-13 2
USGS 180713065261500 USM 9 WELL, VIEQUES, PR 1965-06-26 1965-06-26 1
USGS 180714065260800 USN 14 WELL, VIEQUES, PR 1963-03-01 1963-03-01 1
USGS 180716065261700 USM 8 WELL, VIEQUES, PR 1965-07-15 1965-07-15 1
USGS 180717065260900 USM 6 WELL, VIEQUES, PR 1965-03-26 1965-03-26 1
USGS 180718065261300 USM 7 WELL, VIEQUES, PR 1965-06-30 1965-06-30 1
USGS 180720065260900 USN 12 WELL, VIEQUES, PR 1963-03-05 1963-03-05 1
USGS 180721065251200 USM 4 WELL, VIEQUES, PR 1965-03-03 1965-03-03 1
USGS 180728065250900 USM 3 WELL, VIEQUES, PR 1965-03-03 1965-03-03 1
USGS 180733065312300 USN 16 WELL, VIEQUES, PR 1963-03-05 1965-07-14 2
USGS 180735065312000 USN 18 WELL, VIEQUES, PR 1963-03-05 1963-03-06 2
USGS 180816065260200 CAGR 1 WELL, VIEQUES, PR 1945-10-26 1945-10-26 1
USGS 180816065260300 CAGR 2 DUG WELL,VIEQUES, PR 1945-10-26 1945-10-26 1
USGS 50230503 RAINGAGE AT NASD, VIEQUES, PR 1997-09-22 1999-07-14 2
USGS 50230504 QUARRY DRAINAGE BLW POND, VIEQUES PR 1999-07-14 1999-07-14 1
USGS 50231500 LAGUNA BAHIA MOSQUITO NO.1 VIEQUES PR 2011-11-22 2012-08-28 13
USGS 50231502 LAGUNA BAHIA MOSQUITO NO 7 AT VIEQUES, PR 2015-11-05 2016-07-12 5
USGS 50231510 LAGUNA BAHIA MOSQUITO NO.2 VIEQUES PR 2012-05-22 2016-07-12 13
  group icon Villalba Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 50110900 RIO TOA VACA ABV LAGO TOA VACA, PR 1995-09-10 2002-06-05 62
USGS 50111000 RIO TOA VACA AT HWY 150 NR VILLALBA, PR 1958-09-25 1969-06-27 27
USGS 50111200 RIO TOA VACA NR VILLALBA, PR 1966-10-22 1970-08-13 35
  group icon Yabucoa Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 180202065520800 ROD SOUTH SPRING, YABUCOA, PR 1988-09-07 1988-09-07 2
USGS 180204065550100 RIV SPRING, YABUCOA, PR 1988-09-07 1988-09-07 2
USGS 180224065550900 ROJAS SPRING, YABUCOA, PR 1988-09-07 1988-09-07 2
USGS 180247065512900 VIL 1 WELL, YABUCOA, PR 1962-04-26 1962-04-26 1
USGS 180327065515300 PIEZOMETER USGS 10 OBS, YABUCOA, PR 1981-09-16 1981-09-16 1
USGS 180331065510600 PIEZOMETER SO 1 OUTPOST, YABUCOA, PR 1988-08-23 1988-08-23 1
USGS 180333065512900 SO 3 WELL, YABUCOA, PR 1970-10-15 1988-08-23 2
USGS 180334065523300 AH 3 WELL, YABUCOA, PR 1988-09-06 1988-09-06 2
USGS 180336065511200 SO 2 WELL, YABUCOA, PR 1970-07-31 1988-08-23 2
USGS 180344065513200 SO 4 WELL, YABUCOA, PR 1988-09-08 1988-09-08 1
USGS 180346065523000 SROI 2 WELL, YABUCOA, PR 1962-04-26 1962-04-26 1
USGS 180351065525700 YABUCOA 21 WELL, YABUCOA, PR 1945-11-01 1989-02-02 3
USGS 180358065503700 PIEZOMETER YABUCOA USGS BRACKISH, YABUCOA, PR 1993-02-19 1993-12-27 3
USGS 180359065501300 SO 1 PRODUCTION WELL, YABUCOA, PR 1970-03-24 1970-03-24 1
USGS 180403065513200 PIEZOMETER SO 6, YABUCOA, PR 1988-08-23 1988-08-23 1
USGS 180405065544300 MAT WELL, YABUCOA, PR 1988-09-06 1988-09-06 2
USGS 180415065513900 YABUCOA 7 WELL, YABUCOA, PR 2003-04-04 2008-05-15 8
USGS 180417065513400 SO 8 WELL, YABUCOA, PR 1971-08-20 1971-08-20 1
USGS 180442065515000 VALLE 10 WELL, YABUCOA, PR 1988-08-25 1988-08-25 2
USGS 180456065514900 VALLE 11 WELL, YABUCOA, PR 1988-08-25 1988-08-25 1
USGS 180456065515100 VALLE 7 WELL, YABUCOA, PR 1988-08-25 1988-08-25 1
USGS 180459065514101 VALLE 14 WELL, YABUCOA, PR 1988-08-25 1988-09-01 2
USGS 180522065511800 VALLE 24 WELL, YABUCOA, PR 1988-09-01 1988-09-01 1
USGS 180524065511500 VALLE 25 WELL, YABUCOA, PR 1988-09-01 1988-09-01 1
USGS 180548065513700 AH 2 WELL, YABUCOA, PR 1988-09-06 1988-09-06 2
USGS 50082525 RIO CANDELERO AT HWY 3, PR 2005-07-20 2010-08-16 3
USGS 50082800 RIO GUAYANES NR COLONIA LAURA, PR 1969-01-08 1982-03-09 88
USGS 50083300 TRIBUTARIO DE RIO GUAYANES AT CALABAZAS, PR 2005-07-20 2010-08-16 3
USGS 50083500 RIO GUAYANES NR YABUCOA, PR 1958-04-02 2012-08-15 207
USGS 50084000 RIO LIMONES NR YABUCOA, PR 1962-02-21 1972-04-26 39
USGS 50084025 RIO LIMONES AT LAURA, PR 2005-07-20 2010-08-16 3
USGS 50085000 RIO GUAYANES AT YABUCOA, PR 1958-04-02 2024-02-13 64
USGS 50085700 RIO GUAYANES NR MOUTH NR PLAYA DE GUAYANES, PR 1970-02-20 1972-04-26 7
USGS 50086000 RIO DEL INGENIO NR YABUCOA, PR 1962-02-21 1966-04-14 6
USGS 50086060 QUEBRADA AGUACATE AT HWY 3, PR 2005-07-20 2010-08-16 3
USGS 50086150 TRIBUTARIO DE RIO INGENIO BLW HWY 3, PR 2005-07-20 2010-08-16 3
USGS 50086300 RIO DEL INGENIO NR PLAYA DE GUAYANES, PR 1970-02-20 1972-04-26 8
USGS 50086475 RIO DEL INGENIO AT MOUTH, PR 2005-07-20 2010-08-17 3
USGS 50086500 RIO GUAYANES AT PLAYA DE GUAYANES, PR 1973-09-25 2010-08-18 171
USGS 50087000 QUEBRADA AGUAS LARGAS AT HWY 182, PR 2005-07-20 2010-08-16 3
USGS 50087200 CANO SANTIAGO NR CENTRAL ROIG, PR 1970-02-20 2010-08-17 10
  group icon Yauco Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 175925066502500 LLUS 11 WELL, YAUCO, PR 1962-03-01 1962-03-01 1
USGS 175933066504200 AFRA 1 WELL, YAUCO, PR 1962-03-01 1962-03-01 1
USGS 180007066501000 GIL 2 WELL, YAUCO, PR 2014-10-23 2014-10-23 1
USGS 180022066514600 LUG 1 WELL, YAUCO, PR 1961-07-31 1961-07-31 1
USGS 180035066502900 CES 1 WELL, YAUCO, PR 2011-08-31 2014-10-23 3
USGS 180100066501500 SAN RAFAEL 1 WELL, YAUCO, PR 1961-03-10 1961-03-10 1
USGS 180103066523100 LAS PALOMAS 5 WELL, YAUCO, PR 1963-07-04 1963-07-04 1
USGS 180104066523201 LAS PALOMAS 3 WELL, YAUCO, PR 1962-11-20 1962-11-20 1
USGS 180104066523202 LAS PALOMAS 1 WELL, YAUCO, PR 1962-04-27 1963-04-09 2
USGS 180107066525100 GON 2 WELL, YAUCO, PR 1962-11-27 1962-11-27 1
USGS 180114066501500 SAN RAFAEL 3 WELL, YAUCO, PR 1961-03-10 1962-03-01 2
USGS 180118066502500 MER 14 WELL, YAUCO, PR 1960-10-21 1960-10-21 1
USGS 180127066514600 MOLINO DE VIENTO WELL, YAUCO, PR 1962-03-01 1962-11-28 3
USGS 180133066503300 PPGIND 4 WELL, YAUCO, PR 2003-03-05 2008-04-17 11
USGS 180149066510900 MER 15 WELL, YAUCO, PR 1960-10-21 1960-10-21 1
USGS 180150066453600 MAGAS ARRIBA 2 WELL, YAUCO, PR 1977-03-23 1977-11-10 11
USGS 180151066454400 MAGAS ARRIBA 12 WELL, YAUCO, PR 1976-11-23 1979-02-28 50
USGS 180158066520800 GON 3 WELL, YAUCO, PR 1963-07-04 1963-07-04 1
USGS 180206066504200 LUC 1 WELL, YAUCO, PR 1960-10-21 1960-10-21 1
USGS 180215066521100 PARETO WELL, YAUCO, PR 1963-04-02 1963-07-29 2
USGS 180216066503400 LUC 2 WELL, YAUCO, PR 1960-10-21 1960-10-21 1
USGS 180540066515200 LAGO LUCHETTI 1 NR DAM, YAUCO, PR 1977-11-15 1977-11-29 4
USGS 180553066521000 LAGO LUCHETTI 2, YAUCO, PR 1977-11-15 1977-11-29 4
USGS 180614066521700 LAGO LUCHETTI 3 NR RIO YAUCO MOUTH, YAUCO, PR 1977-11-15 1977-11-29 5
USGS 50125000 RIO YAUCO NR LAGO LUCCHETTI DAMSITE, PR 1960-03-16 1977-04-07 8
USGS 50125500 RIO NARANJO NR LAGO LUCCHETTI DAMSITE, PR 1960-03-16 1965-02-04 4
USGS 50125800 RIO YAUCO AT LAGO LUCCHETTI DAMSITE, PR 1960-10-19 1962-02-28 3
USGS 50125900 RIO DUEY ABV DIVERSION NR YAUCO, PR 1976-12-16 1979-10-16 31
USGS 50126000 RIO DUEY NR YAUCO, PR 1960-03-16 1979-07-17 9
USGS 50126050 RIO YAUCO AT HWY 375, YAUCO, PR 2006-03-03 2011-03-23 3
USGS 50126150 RIO YAUCO ABV DIVERSION MONSERRATE NR YAUCO, PR 1976-12-14 1982-01-12 38
USGS 50126220 RIO YAUCO ABV YAUCO, PR 1974-01-01 1977-03-19 4
USGS 50126500 RIO YAUCO AT PUEBLO SUR AT YAUCO, PR 1958-09-24 1965-02-04 8
USGS 50126800 RIO YAUCO NR BARINAS, PR 1960-10-19 1960-10-20 3
USGS 50127000 RIO YAUCO AT YAUCO, PR 1961-07-05 1962-02-20 4
USGS 50127400 RIO YAUCO NR LIMAS, PR 2006-03-01 2011-03-23 3
USGS 50128500 RIO LOCO UPSTREAM FROM LAGO LOCO, PR 1959-02-13 1966-04-14 8
USGS 50129200 QUEBRADA SUSUA AT PALOMAS, PR 1962-11-27 1964-03-03 2
  group icon St. Croix Island County, Virgin Islands
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 174146064492900 TTFAR WELL, ST. CROIX, USVI 1987-07-13 1987-11-18 2
USGS 174157064483900 CRUM WELL, ST. CROIX, USVI 1987-07-13 1987-07-13 1
USGS 174157064523500 DEL WELL, ST. CROIX, USVI 1987-07-20 1987-11-18 2
USGS 174201064504300 SAN WELL, ST. CROIX, USVI 1987-07-20 1987-07-20 1
USGS 174206064472000 PIEZOMETER USGS 31, ST. CROIX, USVI 1966-02-03 1966-02-03 1
USGS 174214064505300 CAR 1 WELL, ST. CROIX, USVI 1987-07-13 1987-07-13 1
USGS 174222064474800 PIEZOMETER STXT-3, ST. CROIX, USVI 1992-07-22 1992-07-22 1
USGS 174222064480200 PIEZOMETER STXO-2, ST. CROIX, USVI 1992-09-04 1992-09-04 1
USGS 174231064484900 PIEZOMETER STXT-4, ST. CROIX, USVI 1992-07-28 1992-07-28 1
USGS 174238064480700 PIEZOMETER STXT-11, ST. CROIX, USVI 1992-09-02 1992-09-02 1
USGS 174240064473800 PIEZOMETER STXT-9, ST. CROIX, USVI 1992-08-19 1992-08-19 1
USGS 174243064480100 GOLDEN GROVE WELL, ST. CROIX, USVI 1987-07-15 1987-11-19 2
USGS 174245064475800 GOLDEN GROVES 1 WELL, ST. CROIX, USVI 1996-09-17 2002-10-07 6
USGS 174251064480600 PIEZOMETER STXO-3, ST. CROIX, USVI 1992-09-09 1992-09-09 1
USGS 174253064481200 PIEZOMETER STXT-8, ST. CROIX, USVI 1992-08-06 1992-08-06 1
USGS 174256064511000 SGHIL WELL, ST. CROIX, USVI 1987-07-13 1987-11-18 2
USGS 174257064481600 PIEZOMETER STXT-7, ST. CROIX, USVI 1992-08-06 1992-08-06 1
USGS 174303064481100 WP 2 WELL, ST. CROIX, USVI 1990-02-26 1993-12-08 6
USGS 174303064484400 ADVENTURE 28 WELL, ST. CROIX, USVI 1997-06-30 2002-10-07 5
USGS 174303064523200 PIEZOMETER STXT-1, ST. CROIX, USVI 1992-07-15 1992-07-15 1
USGS 174303064523300 PIEZOMETER STXT-2, ST. CROIX, USVI 1992-07-20 1992-07-20 1
USGS 174306064484500 ADVENTURE 15 WELL, ST. CROIX, USVI 1967-03-09 1967-03-09 1
USGS 174309064481100 WP 20 WELL, ST. CROIX, USVI 1990-09-11 2017-07-13 7
USGS 174310064523000 PIEZOMETER STXO-1, ST. CROIX, USVI 1992-09-03 1992-09-03 1
USGS 174311064482601 WP 4 WELL, ST. CROIX, USVI 1991-03-11 1991-03-11 1
USGS 174315064435100 WORK AND REST A WELL, ST. CROIX, USVI 1987-07-14 1987-07-14 1
USGS 174315064474600 E STATION WELL, ST. CROIX, USVI 1987-07-16 1987-07-17 2
USGS 174317064443300 MARK II WELL, ST. CROIX, USVI 1987-07-14 1987-07-14 1
USGS 174318064481300 PIEZOMETER STXT-6, ST. CROIX, USVI 1992-07-30 1992-07-30 1
USGS 174324064481600 PIEZOMETER STXT-5, ST. CROIX, USVI 1992-07-29 1992-07-29 1
USGS 174339064440500 CAM WELL, ST. CROIX, USVI 1987-07-14 1987-11-17 2
USGS 174339064493300 STX MUTUAL HOMES 2 WELL, ST. CROIX, USVI 2017-07-13 2018-09-17 2
USGS 174344064433000 PIEZOMETER STXT-10, ST. CROIX, USVI 1992-08-24 1992-08-24 1
USGS 174347064463100 CLIFTON HILL WELL, ST. CROIX, USVI 1987-07-17 1987-07-17 1
USGS 174350064453200 PIEZOMETER USGS 41, ST. CROIX, USVI 1968-09-08 1968-09-08 1
USGS 174352064453100 PIEZOMETER USGS 43, ST. CROIX, USVI 1967-06-08 1967-06-08 1
USGS 174400064445000 SION FARM 2A WELL, ST. CROIX, USVI 1987-07-14 1987-07-14 1
USGS 174401064450900 PT 2 WELL, ST. CROIX, USVI 2017-07-12 2017-07-12 1
USGS 174407064442600 NPS 1 WELL, ST. CROIX, USVI 1945-06-23 1969-12-15 8
USGS 174407064451300 PT 1 WELL, ST. CROIX, USVI 2017-07-12 2017-07-12 1
USGS 174425064480700 MOUNT PLEASANT WELL, ST. CROIX, USVI 1987-07-15 1987-11-18 2
USGS 174436064461200 BESP WELL, ST. CROIX, USVI 1987-07-17 1987-11-19 2
USGS 174448064442000 PIEZOMETER USGS 39, ST. CROIX, USVI 1966-08-23 1969-11-17 3
USGS 174514064464100 GLYNN WELL, ST. CROIX, USVI 1987-07-17 1987-11-18 2
USGS 174527064395000 SOUTHGATE 3 WELL, ST. CROIX, USVI 2017-07-13 2017-07-13 1
USGS 174553064455900 BCAS WELL, ST. CROIX, USVI 1987-07-17 1987-07-17 1
  group icon St. John Island County, Virgin Islands
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181945064474800 WP DP WELL, ST. JOHN, USVI 1991-05-22 1991-05-22 1
USGS 181948064421100 HKAU WELL, ST. JOHN, USVI 1990-09-26 1990-09-26 1
USGS 181951064472800 ENIGHED WELL, ST. JOHN, USVI 2017-07-11 2017-07-11 1
USGS 181952064472700 ISAM WELL, ST. JOHN, USVI 1990-11-07 1990-11-07 1
USGS 181953064472800 RVAR WELL, ST. JOHN, USVI 1990-11-07 1990-11-07 1
USGS 181953064472900 YEARWOOD WELL, ST. JOHN, USVI 1990-11-05 1990-11-05 1
USGS 182003064473200 STUC WELL, ST. JOHN, USVI 1990-11-09 1990-11-09 1
USGS 182018064574800 EMERALD BEACH WELL, ST. THOMAS, USVI 2017-07-10 2017-07-10 1
USGS 182028064461300 MCONS WELL, ST. JOHN, USVI 1991-01-24 1991-01-24 1
USGS 182038064465800 CANEEL BAY 2 WELL, ST. JOHN, USVI 1990-12-17 1990-12-17 1
USGS 182038064470000 CANEEL BAY 1 WELL, ST. JOHN, USVI 1990-12-17 1990-12-17 1
USGS 182041064455700 EADR DUG WELL, ST. JOHN, USVI 1963-04-03 1963-04-06 2
USGS 182041064471000 CANEEL BAY 1 DUG WELL, ST. JOHN, USVI 1990-12-17 1990-12-17 1
USGS 182048064430400 WP CORAL BAY VIE0 4 WELL, ST. JOHN, USVI 1998-10-21 2001-09-27 3
USGS 182050064465100 NPS 7 WELL, ST. JOHN, USVI 1964-08-08 1964-08-08 1
USGS 182052064433000 ROLLER COR 2 WELL, ST. JOHN, USVI 1990-03-09 1990-03-09 1
USGS 182058064423300 LIBURD 2 WELL, ST. JOHN, USVI 1991-01-15 1991-01-15 1
USGS 182058064432300 WP COR 3 WELL, ST. JOHN, USVI 1990-03-09 1997-07-06 3
USGS 182108064460400 NPS 14 HORIZONTAL WELL, ST. JOHN, USVI 1968-05-31 1968-07-30 2
USGS 182112064451700 NPS 9 WELL, ST. JOHN, USVI 1969-12-17 1969-12-17 1
USGS 182113064451900 CINNAMON BC WELL, ST. JOHN, USVI 1991-05-21 1992-08-31 2
USGS 182113064460900 TRUNK BAY WELL, ST. JOHN, USVI 1998-09-10 1998-09-10 1
USGS 182116064451000 NPS 6 WELL, ST. JOHN, USVI 1969-06-03 1969-06-03 1
USGS 182118064452000 NPS 15 CINNAMON DUG WELL, ST. JOHN, USVI 1962-10-10 1962-10-10 1
USGS 182158064441700 MARY POINT DUG WELL, ST. JOHN, USVI 1964-10-14 1964-10-14 1
  group icon St. Thomas Island County, Virgin Islands
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 181855064534000 VIALET WELL, ST. THOMAS, USVI 1990-10-16 1990-10-16 1
USGS 181855064535200 BOLONGO BAY WELL, ST. THOMAS, USVI 1990-06-01 1990-06-01 1
USGS 181900064504600 ANCHORAGE VILLA CONDO 2 WELL, ST. THOMAS, USVI 1990-07-06 1990-07-06 1
USGS 181901064535100 GBLA WELL, ST. THOMAS, USVI 1990-06-04 1990-06-04 1
USGS 181901064542300 FMER WELL, ST. THOMAS, USVI 1990-05-15 1990-05-15 1
USGS 181903064505000 ST. THOMAS YC WELL, ST. THOMAS, USVI 1990-10-09 1990-10-09 1
USGS 181903064535100 RMOR WELL, ST. THOMAS, USVI 1990-10-04 1990-10-04 1
USGS 181910064531500 BBCHU WELL, ST. THOMAS, USVI 1990-06-11 1990-06-11 1
USGS 181911064535500 MCGOWEN WELL, ST. THOMAS, USVI 1990-06-04 1990-06-04 1
USGS 181912064535700 ECHE WELL, ST. THOMAS, USVI 1990-06-05 1990-06-05 1
USGS 181913064535400 RGRE WELL, ST. THOMAS, USVI 1990-06-04 1990-06-04 1
USGS 181914064535700 AJOS WELL, ST. THOMAS, USVI 1990-06-06 1990-06-06 1
USGS 181916064524100 ILAK WELL, ST. THOMAS, USVI 1990-06-29 1990-06-29 1
USGS 181916064524300 MGRI WELL, ST. THOMAS, USVI 1990-03-08 1990-03-08 1
USGS 181917064524500 VIG RT WELL, ST. THOMAS, USVI 1990-03-08 1990-03-08 1
USGS 181917064524502 RTEGW 8 WELL, ST. THOMAS, USVI 1991-08-14 1991-08-14 1
USGS 181917064531400 ALIM 4 WELL, ST. THOMAS, USVI 1990-07-13 1990-07-13 1
USGS 181919064532200 THOMASVILLE 2 WELL, ST. THOMAS, USVI 1990-06-25 1990-06-25 1
USGS 181919064540700 HF NORTH WELL, ST. THOMAS, USVI 1990-06-29 1990-06-29 1
USGS 181920064505800 RALE WELL, ST. THOMAS, USVI 1990-05-01 1990-05-01 1
USGS 181920064524200 VIG ABATTOIR EAST WELL, ST. THOMAS, USVI 1990-03-08 1990-03-08 1
USGS 181921064505900 SHAR WELL, ST. THOMAS, USVI 1990-05-01 1990-05-10 2
USGS 181921064550500 MORNING STAR WELL, ST. THOMAS, USVI 1990-05-16 1990-05-16 1
USGS 181922064532200 STEVENS WELL, ST. THOMAS, USVI 1990-06-25 1990-06-25 1
USGS 181923064525800 IND WELL, ST. THOMAS, USVI 1990-06-26 1990-06-26 1
USGS 181924064512300 LOLI WELL, ST. THOMAS, USVI 1990-10-04 1990-10-04 1
USGS 181925064552000 FRENCHMANS REEF MAINTENANCE WELL, ST. THOMAS, USVI 1990-05-16 1990-05-16 1
USGS 181927064520000 JGIM WELL, ST. THOMAS, USVI 1990-07-03 1990-07-03 1
USGS 181929064515600 EHAY WELL, ST. THOMAS, USVI 1990-07-03 1990-07-03 1
USGS 181929064515700 VIG NR ARIC WELL, ST. THOMAS, USVI 1990-07-03 1990-07-03 1
USGS 181929064515900 ARIC WELL, ST. THOMAS, USVI 1990-07-03 1990-07-03 1
USGS 181929064544200 AWIL WELL, ST. THOMAS, USVI 1963-08-20 1963-08-20 1
USGS 181932064515600 PETERS WELL, ST. THOMAS, USVI 1990-10-02 1990-10-02 1
USGS 181933064515300 HARRIGAN WELL, ST. THOMAS, USVI 1990-10-02 1990-10-02 1
USGS 181943064510800 RED HOOK WELL, ST. THOMAS, USVI 1990-10-25 1990-10-25 1
USGS 181951064544900 MCAR WELL, ST. THOMAS, USVI 1990-06-06 1990-06-06 1
USGS 182001064510900 PIEZOMETER S. HH USGS 23, ST. THOMAS, USVI 1965-08-12 1965-08-12 1
USGS 182001064530800 DELA WELL, ST. THOMAS, USVI 1990-08-15 1990-08-15 1
USGS 182008064531400 MATTHIAS WELL, ST. THOMAS, USVI 1990-02-20 1990-02-20 1
USGS 182009064531300 LSMI WELL, ST. THOMAS, USVI 1990-02-20 1990-02-20 1
USGS 182009064543300 LBAR WELL, ST. THOMAS, USVI 1990-04-11 1990-04-11 1
USGS 182010064534200 ASHA WELL, ST. THOMAS, USVI 1990-06-11 1990-06-11 1
USGS 182011064534000 EEGLI WELL, ST. JOHN, USVI 1990-02-20 1990-02-20 1
USGS 182012064535400 IKIR WELL, ST. THOMAS, USVI 1990-06-11 1990-06-11 1
USGS 182015064533000 RAUT 3 WELL, ST. THOMAS, USVI 1990-02-07 1990-02-07 1
USGS 182016064532000 ESTE WELL, ST. THOMAS, USVI 1990-02-13 1990-02-13 1
USGS 182017064542300 LCKH DUG WELL, ST. THOMAS, USVI 1963-08-22 1963-11-01 2
USGS 182017064575200 IBHOT WELL, ST. THOMAS, USVI 1990-01-02 1990-01-02 1
USGS 182018064512800 LINDQUIST WELL, ST. THOMAS, USVI 1990-04-13 1990-04-13 1
USGS 182018064532800 BAKERY WELL, ST. THOMAS, USVI 1990-08-16 1990-08-16 1
USGS 182018064533100 GMOT 2 WELL, ST. THOMAS, USVI 1990-05-08 1990-05-08 1
USGS 182018064533200 VITELCO WELL, ST. THOMAS, USVI 1990-05-08 1990-05-08 1
USGS 182018064571800 JMON WELL, ST. THOMAS, USVI 1990-10-13 1990-10-13 1
USGS 182019064533500 H DOMESTIC WELL, ST. THOMAS, USVI 1990-02-21 1990-02-21 1
USGS 182020064550400 ST. THOMAS MI WELL, ST. THOMAS, USVI 1990-10-04 1990-10-04 1
USGS 182023064550601 ERAD WELL, ST. THOMAS, USVI 1990-04-04 1990-04-04 1
USGS 182023064571100 FESQ WELL, ST. THOMAS, USVI 1990-01-19 1990-01-19 1
USGS 182024064535800 MBRY 1 WELL, ST. THOMAS, USVI 1990-05-04 1990-05-04 1
USGS 182024064565200 GQWAY WELL, ST. THOMAS, USVI 1990-01-23 1990-01-23 1
USGS 182024064571100 BCLU WELL, ST. THOMAS, USVI 1990-01-19 1990-01-19 1
USGS 182024064574200 RCRU WELL, ST. THOMAS, USVI 1990-02-12 1990-02-12 1
USGS 182025064550300 RODGERS WELL, ST. THOMAS, USVI 1990-04-09 1990-04-09 1
USGS 182025064550600 MOORE WELL, ST. THOMAS, USVI 1990-04-04 1990-04-04 1
USGS 182025064550800 JBLY WELL, ST. THOMAS, USVI 1990-03-29 1990-03-29 1
USGS 182026064550400 GHOD WELL, ST. THOMAS, USVI 1990-03-21 1990-03-21 1
USGS 182026064565200 LMIT WELL, ST. THOMAS, USVI 1990-01-19 1990-01-19 1
USGS 182027064532900 HARTMAN WELL, ST. THOMAS, USVI 1991-05-06 1991-05-06 1
USGS 182028064565300 KTHO WELL, ST. THOMAS, USVI 1990-10-03 1990-10-03 1
USGS 182028064571000 AUB WELL, ST. THOMAS, USVI 1990-02-01 1990-02-01 1
USGS 182029064551000 CJEN WELL, ST. THOMAS, USVI 1990-04-09 1990-04-09 1
USGS 182029064565600 JGRI WELL, ST. THOMAS, USVI 1990-01-29 1990-01-29 1
USGS 182030064544800 LCKH M WELL, ST. THOMAS, USVI 1990-03-30 1990-03-30 1
USGS 182030064551500 VIG HUMAN SERVICES WELL, ST. THOMAS, USVI 1990-03-21 1990-03-21 1
USGS 182031064545500 ST. THOMAS 3 WELL, ST. THOMAS, USVI 1990-03-20 1990-03-20 1
USGS 182031064561700 PT WELL, ST. THOMAS, USVI 1990-08-07 1990-08-07 1
USGS 182031064574700 SUNNY WELL, ST. THOMAS, USVI 1990-01-03 1990-01-03 1
USGS 182032064574800 FAHED WELL, ST. THOMAS, USVI 1990-01-03 1990-01-03 1
USGS 182033064544800 VI-MA WELL, ST. THOMAS, USVI 1990-03-20 1990-03-20 1
USGS 182035064575300 DEL WELL, ST. THOMAS, USVI 1990-01-11 1990-01-11 1
USGS 182036064531600 RAMSEY WELL, ST. THOMAS, USVI 1990-02-23 1990-02-23 1
USGS 182036064564100 PARK REC. NORTH WELL, ST. THOMAS, USVI 1990-07-13 1990-07-13 1
USGS 182037064521200 SPRAUVE WELL, ST. THOMAS, USVI 1990-06-18 1990-06-18 1
USGS 182037064575000 JODA WELL, ST. THOMAS, USVI 1990-01-04 1990-01-04 1
USGS 182038064533300 ALEO WELL, ST. THOMAS, USVI 1990-05-08 1990-05-08 1
USGS 182039064581500 UUSVI 2 WELL, ST. THOMAS, USVI 1989-12-29 1989-12-29 1
USGS 182040064520400 AJOH WELL, ST. THOMAS, USVI 1990-06-01 1990-06-01 1
USGS 182040064521100 LINDQUIST VIG WELL, ST. THOMAS, USVI 1990-04-13 1990-04-13 1
USGS 182041064520300 PPLE 1 WELL, ST. THOMAS, USVI 1990-04-13 1990-04-13 1
USGS 182042064571200 VANTERPOOL WELL, ST. THOMAS, USVI 1990-01-30 1990-01-30 1
USGS 182043064521000 MARTIN WELL, ST. THOMAS, USVI 1990-05-25 1990-05-25 1
USGS 182045064581700 UUSVI 3 WELL, ST. THOMAS, USVI 1989-12-29 1989-12-29 1
USGS 182046064555300 VIG NR EDUCATION WELL, ST. THOMAS, USVI 1990-08-06 1990-08-06 1
USGS 182046065010500 WWER WELL, ST. THOMAS, USVI 1989-12-26 1989-12-26 1
USGS 182047064561000 VIG BARNABER WELL, ST. THOMAS, USVI 1990-08-07 1990-08-07 1
USGS 182047064580000 VGRE WELL, ST. THOMAS, USVI 1990-01-04 1990-01-04 1
USGS 182048064524000 CFROS USGS 2 WELL, ST. THOMAS, USVI 1990-03-01 1990-03-01 1
USGS 182049064524000 SPRES WELL, ST. THOMAS, USVI 1990-02-22 1990-02-22 1
USGS 182049064561900 VLET WELL, ST. THOMAS, USVI 1990-08-14 1990-08-14 1
USGS 182049064572700 JSPE WELL, ST. THOMAS, USVI 1990-02-01 1990-02-01 1
USGS 182050064521800 SS WELL, ST. THOMAS, USVI 2017-07-10 2017-07-10 1
USGS 182050064523800 SMITH BAY WELL, ST. THOMAS, USVI 1990-10-01 1990-10-01 1
USGS 182050064553500 KNUD DUG WELL, ST. THOMAS, USVI 1990-07-12 1990-07-12 1
USGS 182051064523500 ALEV WELL, ST. THOMAS, USVI 1990-03-01 1990-03-01 1
USGS 182053064522900 FMAN WELL, ST. THOMAS, USVI 1990-02-22 1990-02-22 1
USGS 182054064522000 ALEO 2 WELL, ST. THOMAS, USVI 1990-02-22 1990-02-22 1
USGS 182054064523400 UPIL WELL, ST. THOMAS, USVI 1990-02-22 1990-02-22 1
USGS 182056064521700 STOU-B WELL, ST. THOMAS, USVI 1990-04-12 1990-04-12 1
USGS 182057064521600 STOU-A WELL, ST. THOMAS, USVI 1990-04-12 1990-04-12 1
USGS 182059064570000 FISS WELL, ST. THOMAS, USVI 1990-02-03 1990-02-03 1
USGS 182100064522300 RMER WELL, ST. THOMAS, USVI 1990-04-12 1990-04-12 1
USGS 182105064542100 ABOR WELL, ST. THOMAS, USVI 1990-04-12 1990-04-12 1
USGS 182109064572000 BKOE WELL, ST. THOMAS, USVI 1990-08-14 1990-08-14 1
USGS 182117064544600 MOORE H WELL, ST. THOMAS, USVI 1990-04-13 1990-04-13 1
USGS 182118064544900 ARAI WELL, ST. THOMAS, USVI 1990-04-13 1990-04-13 1
USGS 182122064535900 MANDAHL H WELL, ST. THOMAS, USVI 1990-05-04 1990-05-04 1
USGS 182135064542700 MAHOGANY RUN 14 WELL, ST. THOMAS, USVI 1990-05-01 1990-05-01 1
USGS 182136064541900 MAHOGANY RUN 17 WELL, ST. THOMAS, USVI 1996-09-19 2002-10-09 4
USGS 182136064553100 ARBORTUM WELL, ST. THOMAS, USVI 1990-04-17 1990-04-17 1
USGS 182136064562000 DBER WELL, ST. THOMAS, USVI 1990-10-03 1990-10-03 1
USGS 182137064533800 VIG MANDAHL BEACH WELL, ST. THOMAS, USVI 1990-05-04 1990-05-04 1
USGS 182137064575000 BRY WEST WELL, ST. THOMAS, USVI 1990-01-31 1990-01-31 1
USGS 182137064575001 BPLA WELL, ST. THOMAS, USVI 1990-01-31 1990-01-31 1
USGS 182138064542500 MAHOGANY RUN 16 WELL, ST. THOMAS, USVI 2001-09-26 2001-09-26 1
USGS 182138064543101 MAHOGANY RUN 10 WELL, ST. THOMAS, USVI 1966-01-01 1966-01-01 1
USGS 182139064574700 DOROTHEA 1 WELL, ST. THOMAS, USVI 1990-01-29 1990-01-29 1
USGS 182141064545000 ST. THOMAS D-B WELL, ST. THOMAS, USVI 1990-04-25 1990-04-25 1
USGS 182141064545300 ST. THOMAS D-F WELL, ST. THOMAS, USVI 1990-04-25 1990-04-25 1
USGS 182142064545600 ST. THOMAS D-E WELL, ST. THOMAS, USVI 1990-04-25 1990-04-25 1
USGS 182142064574500 DOROTHEA 2 WELL, ST. THOMAS, USVI 1990-01-29 1990-01-29 1
USGS 182142064575300 AESQ WELL, ST. THOMAS, USVI 1990-02-02 1990-02-02 1
USGS 182143064545900 JLAD WELL, ST. THOMAS, USVI 1990-04-17 1990-04-17 1
USGS 182146064543600 MAHOGANY RUN 4 WELL, ST. THOMAS, USVI 1990-04-30 1990-04-30 1
USGS 182146064550500 DRAI WELL, ST. THOMAS, USVI 1990-04-13 1990-04-13 1
USGS 182148064543800 MAHOGANY RUN 3A WELL, ST. THOMAS, USVI 1990-04-30 1990-04-30 1
USGS 182148064543900 MAHOGANY RUN 3 WELL, ST. THOMAS, USVI 1990-05-02 1990-05-02 1
USGS 182150064544100 MAHOGANY RUN 2 WELL, ST. THOMAS, USVI 1991-05-14 2018-09-10 3
USGS 182150064571200 JJOS WELL, ST. THOMAS, USVI 1990-08-15 1990-08-15 1
USGS 182155064552200 MAGENS BEACH WELL, ST. THOMAS, USVI 1984-04-13 1984-04-13 1
USGS 182215064570800 HHID WELL, ST. THOMAS, USVI 1990-10-03 1990-10-03 1
USGS 50262000 UNNAMED CREEK AT BENNER HILL, ST. THOMAS USVI 1999-12-08 1999-12-08 1
USGS 50263000 VESSUP BAY WEST, ST. THOMAS USVI 1999-07-29 1999-12-09 2
USGS 50263500 VESSUP BAY EAST, ST. THOMAS USVI 1999-07-29 1999-12-09 2
USGS 50265500 UNNAMED CREEK AT RED HOOK, ST. THOMAS USVI 1999-12-08 1999-12-08 1
USGS 50265700 BENNER BAY NORTH, ST. THOMAS USVI 1999-07-28 1999-12-09 2
USGS 50265900 BENNER BAY SOUTH, ST. THOMAS USVI 1999-07-28 1999-12-09 2
USGS 50272000 HOFFMAN POND AT HOFFMAN, ST. THOMAS USVI 1967-11-20 1968-05-29 7
USGS 50274000 TURPENTINE RUN AT MT. ZION, ST. THOMAS USVI 1967-10-02 1972-05-31 7
USGS 50276000 TURPENTINE RUN AT MARIENDAL, ST. THOMAS USVI 1999-07-28 1999-12-08 3
USGS 50278500 MANGROVE LAGOON EAST, ST. THOMAS USVI 1999-07-27 1999-12-09 2
USGS 50278800 MANGROVE LAGOON WEST, ST. THOMAS USVI 1999-07-27 1999-12-09 3