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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 -- 28 sites found


Hydrologic unit = 15070203
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 323716113194001 POOL 1 ABOVE WILDLIFE WATER 634 2017-05-14 2017-05-14 1
USGS 323716113194101 POOL 2 ABOVE WILDLIFE WATER 634 2017-05-14 2017-05-14 1
  group icon Pima County, Arizona
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 320104112524201 C-16-06 22CBB 1985-01-18 1985-01-18 1
USGS 320126112532901 C-16-06 21BAC 2002-12-19 2024-01-31 5
USGS 320435112401401 C-15-04 34CAB 1978-03-06 1978-03-19 2
USGS 320808112394501 C-15-04 10ADC 1956-10-11 1978-03-06 2
USGS 320808112400101 C-15-04 10ACB 1978-03-07 1978-03-18 2
USGS 321009112570201 C-14-07 35AAC 1985-01-18 1985-01-18 1
AZ014 321010112565501 C-14-07 35AAD2 1988-07-28 1988-07-28 1
USGS 321310112411201 C-14-04 09CAD 1978-05-10 1978-05-10 2
USGS 321316112405801 C-14-04 09DBB 1917-10-15 1958-05-09 2
USGS 321322112552001 C-14-06 07ACC 1976-11-15 1976-11-15 1
USGS 321545112442601 C-13-05 25CBD 1988-07-26 1988-07-26 1
USGS 321627112575701 C-13-07 22DDD 1976-11-15 1976-11-15 1
USGS 321811112512601 C-13-06 11CDC 1976-11-15 1976-11-15 1
USGS 321948113010901 C-13-07 06AAB 1976-11-24 1976-11-24 1
AZ014 322003112511201 C-12-06 35DCA 1988-07-26 1988-07-26 1
USGS 322306113060801 C-12-08 17ADA 1976-11-24 1988-07-29 2
USGS 322450113030001 C-12-08 01BCB 1976-11-24 1976-11-24 1
  group icon Yuma County, Arizona
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
AZ014 323545113322201 C-09-12 31DDD 1993-06-13 1993-06-13 1
AZ014 323828113311401 C-09-12 16CCB 1996-03-26 1996-03-26 1
AZ014 324232113365101 C-08-13 28ABD 1993-06-14 1997-03-22 4
AZ014 324303113374201 C-08-13 20DAC1 1996-03-27 1996-03-27 1
AZ014 324348113425201 C-08-14 16DDB 1996-03-27 1996-03-27 1
USGS 324351113425201 C-08-14 16DAC 1981-06-29 1981-06-29 1
USGS 324435113421701 C-07-14 09CDD 1966-10-06 1976-03-08 11
USGS 324545113383801 C-08-13 06DAA 1972-11-10 1996-03-27 3
USGS 324937113304501 C-07-12 08DCD 2013-09-05 2013-09-05 3