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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 -- 17 sites found


Hydrologic unit = 15080200
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 Pima County, Arizona
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 312826111305201 D-22-08 34BAD1 1971-06-08 1981-03-24 2
USGS 312827111303301 D-22-08 34ABA1 1981-05-13 1981-05-13 1
USGS 312838111235801 D-22-09 27DDD1 1981-05-19 1981-05-19 1
USGS 312856111231501 D-22-09 26DBA1 1981-05-19 1981-05-19 1
USGS 312928111333201 D-22-08 30AAB 1971-06-08 1971-06-08 1
USGS 312939111324201 D-22-08 20DCB1 1981-03-10 1981-06-09 2
USGS 312940111334601 D-22-08 19DCB1 1981-03-24 1981-03-24 1
USGS 312946111334501 D-22-08 19DBC1 1952-08-21 1971-06-08 7
USGS 312950111270201 D-22-09 19DAD1 1981-03-24 1981-03-24 1
USGS 313015111260601 D-22-09 20AAD1 1981-03-24 1981-03-24 1
  group icon Santa Cruz County, Arizona
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 312544111212401 D-23-10 18ACA 1981-05-09 1981-05-09 1
USGS 312547111211401 D-23-10 18AAC 1981-05-19 1981-05-19 1
USGS 312600111200301 D-23-10 16BBB1 1981-05-19 1981-05-19 1
USGS 312656111142801 D-23-11 05CDB 1981-05-20 1981-05-20 1
USGS 312743111201701 D-23-10 05AAB1 1981-05-19 1981-05-19 1
USGS 312823111213501 D-22-10 31BDB 1981-05-19 1981-05-19 1
USGS 312903111194901 D-22-10 28CBC 1981-05-19 1981-05-19 1