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Water Quality Samples for USA
Grouped by County

! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 -- 469 sites found


Hydrologic unit = 21010002
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 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
  group icon Aguada Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
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 50146400 RIO INGENIO NR AGUADA, PR 1960-03-22 2015-08-20 17
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 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 50149300 UNNAMED CREEK AT HWY 458, AGUADILLA, PR 2006-03-02 2011-03-24 3
  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 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
  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 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 Ciales Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
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 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
  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 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 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 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 50047300 RIO DE LA PLATA AT DORADO, PR 1970-01-21 1970-01-21 1
  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 Hatillo Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
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 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 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 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 Lares Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
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
  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
  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 Moca Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 50148000 RIO CULEBRINAS NR MOCA, PR 1959-02-17 1987-06-10 72
  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 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
  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 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 San Sebastian Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
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 182334066553300 SAN SEBASTIAN SPRING, SAN SEBASTIAN, PR 1960-08-18 1960-08-18 1
  group icon Toa Alta Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 182238066171000 RIO LAJAS 1 SPRING, TOA ALTA, PR 1961-05-20 1961-05-20 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
  group icon Toa Baja Municipio, Puerto Rico
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 182537066153300 NEVAREZ 1 WELL, TOA BAJA, PR 1982-10-29 1982-10-29 1
USGS 182554066152900 SANTA ELENA NORTH WELL, TOA BAJA, PR 1962-04-18 1992-03-23 2
USGS 182826066150900 FONALLEDA SPRING, TOA BAJA, PR 1962-04-19 1962-04-19 1
  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
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USGS 182739066223000 RICE PROGRAM 4 WELL, VEGA BAJA, PR 1982-11-09 1982-11-09 1
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USGS 182801066251900 MOLINO ROJO 2 WELL, VEGA BAJA, PR 1963-05-01 1963-05-01 1
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USGS 182904066234700 JIMENEZ 1 WELL, VEGA BAJA, PR 1963-04-30 1963-04-30 1
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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