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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 -- 21 sites found


Hydrologic unit = 18010105
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 Humboldt County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 11474700 CHAMISE C NR ISLAND MOUNTAIN CA 1972-10-12 1976-09-16 72
USGS 11475000 EEL R A FORT SEWARD CA 1965-11-19 1977-08-02 397
USGS 11475100 DOBBYN C NR FORT SEWARD CA 1972-10-11 1977-08-23 102
USGS 11475250 EEL R A SF CA 1951-10-10 1980-09-16 342
USGS 11476700 LARABEE C NR HOLMES CA 1964-04-15 1977-09-12 3
USGS 11477000 EEL R A SCOTIA CA 1951-10-10 1998-03-02 1195
USGS 11477700 LITTLE VAN DUZEN R NR BRIDGEVILLE CA 1977-08-15 2015-08-25 2
USGS 11478500 VAN DUZEN R NR BRIDGEVILLE CA 1955-09-15 1998-03-13 384
USGS 11479000 YAGER C NR CARLOTTA CA 1977-08-10 2015-08-25 2
USGS 403233124040801 002N001E21G002H 2009-08-27 2020-09-14 5
USGS 403358124063701 002N001E07Q001H 2009-10-08 2009-10-08 2
USGS 403416124084901 002N001W11G005H 2009-08-17 2020-08-27 5
USGS 403421124155801 002N002W11FS01H 2009-09-02 2020-08-27 5
USGS 403515124150301 002N002W01E001H 2009-09-03 2020-08-26 5
USGS 403544124131501 003N001W31J001H 2009-09-01 2020-08-26 5
USGS 403614124104201 003N001W33A001H 2009-08-31 2020-08-25 9
USGS 403634124135701 003N001W30N001H 1952-08-20 1980-09-23 24
USGS 403825124123301 003N001W17L001H 2009-08-04 2009-08-04 2
  group icon Mendocino County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 11474000 EEL R BL DOS RIOS CA 1956-01-10 1966-08-30 50
USGS 11474400 HULLS C NR COVELO CA 1961-05-02 1964-05-07 23
USGS 11474500 NF EEL R NR MINA CA 1965-10-05 2004-10-08 150