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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 -- 84 sites found


Hydrologic unit = 15050306
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 Maricopa County, Arizona
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 323045112190101 C-10-01 36CAA 1978-05-12 1981-04-30 3
USGS 323052112183801 C-10-01 36BDD 1960-05-10 1960-05-10 1
  group icon Pima County, Arizona
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 320556111553501 D-15-04 23DDD UNSURV 1977-11-13 1977-11-13 1
USGS 320626111484101 D-15-05 24ACD UNSURV 1977-11-11 1977-11-11 1
USGS 320651111490901 D-15-05 13CCD UNSURV 1977-11-11 1977-11-11 1
USGS 320841111523201 D-15-05 05DDA UNSURV 1941-12-01 1977-11-13 3
USGS 320931112022101 D-14-03 35CDD UNSURV 1941-11-06 1954-01-06 2
USGS 320935112111401 D-14-02 27DCD 1978-05-30 1978-05-30 2
USGS 320946112062101 D-14-03 31CAA UNSURV 1978-10-01 1978-10-01 1
USGS 320953112071701 D-14-02 36ACC 1978-03-14 1978-03-14 1
USGS 320954112074801 D-14-02 36BCC UNSURV 1978-05-17 1978-05-17 2
USGS 320956112073801 D-14-02 36BCD UNSURV 1941-11-06 1957-05-16 2
USGS 320958112062201 D-14-03 31BDD UNSURV 1957-02-01 1957-02-01 1
USGS 321022112091001 D-14-02 27DCD2 UNSURV 1978-03-14 1978-09-12 5
USGS 321023112091001 D-14-02 27DCD1 UNSURV 1941-11-06 1978-03-14 3
USGS 321027111575401 D-14-04 28DCB UNSURV 1953-12-22 1953-12-22 1
USGS 321031112092701 D-14-02 27CDA 1980-12-01 1980-12-11 2
USGS 321041111505701 D-14-05 27CAA UNSURV 1954-10-28 1954-10-28 1
USGS 321056111510501 D-14-05 27BDA UNSURV 1977-11-13 1977-11-13 1
USGS 321109112124601 D-14-02 30BBD UNSURV 1978-03-14 1978-03-14 1
USGS 321255111485001 D-14-05 12DBB1 UNSURV 1941-12-01 1941-12-01 1
USGS 321255111485201 D-14-05 12DBB2 UNSURV 1977-11-13 1978-06-01 3
USGS 321315111485701 D-14-05 12DBC 1981-01-15 1981-03-19 2
USGS 321427112074101 D-14-02 01ACB 1955-08-30 1977-04-08 2
USGS 321601111595601 D-13-04 30DCA UNSURV 1954-05-14 1954-05-14 1
USGS 321620111595801 D-13-04 30ACD UNSURV 1978-05-16 1978-05-16 2
USGS 321701111561601 D-13-04 23BAB UNSURV 1954-01-06 1954-05-15 2
USGS 321706112084401 D-13-02 22AAD UNSURV 1955-07-27 1978-03-17 2
USGS 321822112025701 D-13-03 10ADC UNSURV 1957-10-10 1957-10-10 1
USGS 321859112023601 D-13-03 02CCC1 1980-12-17 1980-12-17 1
USGS 321932112021601 D-13-03 02BDA1 UNSURV 1941-11-06 1956-09-26 3
USGS 321933112021501 D-13-03 02BDA2 UNSURV 1978-06-17 1978-09-19 4
USGS 322019112015101 D-12-03 35ADC UNSURV 1978-05-16 1978-05-16 2
USGS 322040112110301 D-12-02 32ADB UNSURV 1956-04-12 1956-04-12 1
USGS 322106112030701 D-12-03 27DBB UNSURV 1978-09-19 1978-10-19 5
USGS 322112112033401 D-12-03 27BCC UNSURV 1978-09-19 1981-04-30 5
USGS 322215112014101 D-12-03 23AAD UNSURV 1941-11-06 1954-05-15 2
USGS 322216112014002 D-12-03 23ADA UNSURV 1978-05-17 1978-09-19 3
USGS 322601112064201 D-11-03 30CCC UNSURV 1978-03-17 1978-03-17 1
USGS 322643111590601 D-11-04 29CDB 1954-01-06 1976-10-24 2
USGS 322718112104001 D-11-02 21BCA 1954-04-20 1954-04-20 1
USGS 322804112142801 D-11-01-14CAA2 1981-04-30 1981-04-30 1
USGS 322804112142802 D-11-01 14CAA2 1978-05-16 1981-04-30 3
USGS 322805112143201 D-11-01 14CAA1 1955-07-19 1955-07-19 1
USGS 322835112103601 D-11-02 09CCD UNSURV 1978-03-19 1978-03-19 1
USGS 322958112032601 D-11-03 03BDC UNSURV 1957-05-17 1957-05-17 1
  group icon Pinal County, Arizona
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 323027111570001 D-10-04 33DDC1 1941-11-05 1980-07-15 4
USGS 323028111565902 D-10-04 33DDC2 1978-05-31 1978-05-31 3
USGS 323127111565101 D-10-04 28DDA 1980-07-15 1980-07-15 2
USGS 323226112080701 D-10-02 22DAD 1956-06-27 1978-03-10 2
USGS 323320111570001 D-10-04 16DAB 1957-10-09 1957-10-09 1
USGS 323437111595801 D-10-03 12AAB 1953-12-01 1978-05-31 5
USGS 323529111531701 D-10-05 06BAA 1974-07-28 1974-07-28 1
USGS 323625111534401 D-09-04 36AAA 1978-06-07 1978-06-07 1
USGS 323703112064601 D-09-02 25BDC 1955-10-06 1978-03-09 3
USGS 323729111565001 D-05-04 28DDA 1976-08-09 1976-08-09 1
USGS 323823111564501 D-09-04 15CCB 1956-01-17 1956-05-15 11
USGS 323824111562701 D-09-04 15CDB 1956-01-27 1956-05-16 8
USGS 323834111563701 D-09-04 15CCA 1955-12-08 1956-05-16 10
USGS 323837111562501 D-09-04 15CAB 1956-03-05 1956-05-10 8
USGS 323903112014201 D-09-03 14BBA 1956-04-04 1956-04-04 1
USGS 324028111561301 D-09-04 03ACC 1972-10-13 1972-10-13 1
USGS 324035111570001 D-09-04 04AAC 1955-04-01 1955-04-01 1
USGS 324119111562901 D-08-04 34BDC 1971-12-03 1971-12-03 1
USGS 324238111551701 D-08-04 23CDD 1956-09-27 1956-09-27 1
USGS 324319111553501 D-08-04 23BBA UNSURV 1978-06-01 1978-06-01 2
USGS 324650111542901 D-07-04W36BAC 1941-09-15 1941-09-15 1
USGS 324658111544201 D-07-04 26DDD 1976-09-09 1976-09-09 1
USGS 324723111534001 D-07-04W25ADD 1941-09-15 1976-09-09 2
USGS 324905111582001 D-07-04 17CAA 1976-09-08 1976-09-08 1
USGS 325026111584601 D-07-04 05CCC 1976-09-09 1976-09-09 1
USGS 325101112000401 D-06-03 35DDC 1985-07-31 1986-07-09 2
USGS 325103111564801 D-06-04 32DDD 1941-09-15 1976-08-27 2
USGS 325104111595501 D-06-03 35DDD2 1976-08-24 1976-08-24 1
USGS 325127112004901 D-06-03 35BCC 1958-02-17 1976-08-24 2
USGS 325154111574901 D-06-04 30DDD1 1941-09-16 1976-08-27 2
USGS 325154111575001 D-05-04 32ADD 1941-09-16 1976-08-09 2
USGS 325155111574701 D-06-04 29DDD1 1941-09-15 1982-08-25 2
USGS 325156111582101 D-06-04 30CDD 1941-09-16 1941-09-16 1
USGS 325156112013601 D-06-03 27CDC 1976-08-24 1976-08-24 1
USGS 325221112004501 D-06-03 26BCC 1989-03-06 2008-06-09 9
USGS 325249112001801 D-06-03 23DCC 1941-09-16 1950-08-23 3
USGS 325250112002501 D-06-03 23CDD 1976-08-24 1976-08-24 1
USGS 325250112012601 D-06-03 22DCC 1987-03-22 1988-03-22 3