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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 -- 33 sites found


Hydrologic unit = 15050305
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 315918111364401 D-16-07 35CBA UNSURV 1979-01-19 1979-01-19 1
USGS 320006111330701 D-16-08 29DBA 1978-12-08 1978-12-08 1
USGS 320032111335801 D-16-08 30AAA 1978-09-20 1978-09-20 2
USGS 320055111330701 D-16-08 20DBD 1978-12-08 1978-12-08 1
USGS 320237111313001 D-16-08 10CAD 1978-11-29 1978-11-29 1
USGS 320237111313401 D-16-08 10CAB 1917-11-26 1917-11-26 1
USGS 320246111301901 D-16-08 11CBB 1956-06-12 1956-09-20 2
USGS 320300111391101 D-16-07 08AAC 1954-04-05 1957-05-10 2
USGS 320503111291701 D-15-08 25CCD 1956-09-07 1978-10-01 4
USGS 320527111304501 D-15-08 27ADC 1978-09-01 1981-01-05 2
USGS 320710111405001 D-15-07 18CBB 1968-06-12 1978-05-25 3
USGS 320715111405201 D-15-06 13ADD 1941-12-01 1957-05-17 2
USGS 320716111404601 D-15-07 18BC 1941-12-01 1941-12-01 1
USGS 320859111344301 D-15-07 01ADD1 1954-05-13 1954-05-13 1
USGS 320933111262301 D-14-09 33CCC 1956-12-06 1956-12-06 1
USGS 321122111304001 D-14-08 22DDA 1951-06-12 1981-01-27 2
USGS 321125111303901 D-14-08 22DAC 1951-06-12 1951-06-12 1
USGS 321155111454801 D-14-06 20BBD UNSURV 1977-11-13 1977-11-13 1
USGS 321159111445401 D-14-06 21BBB 1977-11-13 1977-11-13 1
USGS 321338111405001 D-14-06 12ADA UNSURV 1956-09-24 1956-09-24 1
USGS 321631111375601 D-13-07 28DAD 1978-05-25 1978-05-25 2
USGS 321637111380201 D-13-07 21DCA 1954-04-07 1954-04-07 1
USGS 321838111301201 D-13-08 11BDC 1954-04-07 1978-03-27 2
USGS 321936111301201 D-13-08 02BDB 1978-03-27 1978-03-27 1
USGS 322120111410801 D-12-06 25ADB 1954-05-27 1954-05-27 1
USGS 322410111323501 D-12-08 08AAA 1948-09-07 1955-09-08 2
USGS 322410111323601 D-12-08 08AAB 1955-09-08 1955-09-08 1
USGS 322412111323801 D-12-08 05DDD 1948-09-07 1955-09-08 2
USGS 322700111443801 D-11-06 21DDD 1977-01-10 1977-01-10 1
USGS 322750111444801 D-11-06 16DDC 1949-06-20 1949-06-20 1
USGS 322846111510001 D-11-05 02DBC UNSURV 1955-05-10 1955-05-10 1
USGS 322959111464101 D-11-06 06ADD 1954-04-19 1954-04-19 1
  group icon Pinal County, Arizona
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 323633111522201 D-09-05 29CDC 1941-11-05 1977-04-08 3