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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 = 18010103
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 Lake County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 11470500 EEL R BL SCOTT DAM NR POTTER VALLEY CA 1965-11-10 1971-11-15 19
USGS 392437122584501 EEL R A ELK MTN RD NR POTTER VALLEY CA 2018-06-04 2018-06-04 1
USGS 392605122561301 018N010W12C001M 2009-07-06 2009-07-06 2
USGS 392637122570901 018N010W02K001M 2009-07-07 2009-07-07 2
  group icon Mendocino County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 11471500 EEL R A VAN ARSDALE DAM NR POTTER VALLEY CA 1972-01-10 2018-06-04 18
USGS 11472000 EEL R A HEARST CA 1980-03-21 1980-03-21 1
USGS 11472150 EEL R NR DOS RIOS CA 1958-05-19 1980-09-17 433
USGS 11472200 OUTLET C NR LONGVALE CA 1960-10-11 1970-01-25 122
USGS 11472500 EEL R AB DOS RIOS CA 1956-12-14 1965-01-24 112
USGS 392235123180301 018N013W33A001M 1981-09-16 1981-09-16 1
USGS 392238123195802 018N013W29N002M 1981-09-15 1981-09-15 1
USGS 392331123193401 018N013W20P001M 1981-09-23 1981-09-23 1
USGS 392404123191201 018N013W20H004M 1977-08-12 1982-06-14 5
USGS 392412123191701 018N013W20A003M 2009-06-04 2009-06-04 2
USGS 392437123202301 018N013W18K001M 1981-09-15 1981-09-15 1
USGS 392455123220601 018N014W13E001M 1981-09-15 1981-09-15 1
USGS 392507123194801 018N013W17C001M 1982-06-14 1982-06-14 1
USGS 392522123175801 018N013W09R001M 1981-09-16 1981-09-16 1
USGS 392542123191801 018N013W08G001M 1982-05-19 1982-05-19 1
USGS 392550123184901 018N013W09E002M 1981-09-15 1982-05-19 2
USGS 392553123185401 018N013W09D001M 1981-09-15 1982-05-19 2
USGS 392557123201501 018N013W07A001M 1981-09-17 1981-09-17 1
USGS 392644123194401 018N013W05F001M 1982-09-17 1982-09-17 1
USGS 392658123205801 019N013W31P002M 1982-05-19 1982-05-19 1
USGS 392659123205801 019N013W31P001M 1981-09-16 1981-09-16 1
USGS 392720123194501 019N013W32L003M 1981-09-16 1982-05-19 2
USGS 392730123203801 018N013W31G001M 1982-05-19 1982-05-19 1
USGS 393001123251201 019N014W16F001M 1981-09-16 1982-06-15 2