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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 -- 49 sites found


Hydrologic unit = 18020128
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 El Dorado County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 11433420 MAINE BAR CANYON C NR GREENWOOD CA 1972-04-28 1973-10-23 18
USGS 11433430 BUCKEYE CANYON C TRIB NR GREENWOOD CA 1972-03-30 1973-10-23 12
USGS 11433440 WILDCAT CANYON C NR COOL CA 1972-03-30 1973-10-23 11
USGS 11433450 BROWNS BAR CANYON C NR COOL CA 1972-03-30 1973-10-23 18
USGS 11433900 PAYMASTER C NR COOL CA 1972-03-30 1973-10-23 18
USGS 384730121061900 FOLSOM LK SAMPLE SITE NO 2 ON NF ARM CA 1978-05-26 1980-08-06 310
USGS 384945121034801 011N008E02N001M 2016-09-29 2016-09-29 2
USGS 385306120592301 012N009E17R001M 2016-09-29 2021-10-26 5
USGS 385500120230001 013N014E35N001M 2008-08-25 2008-08-25 3
USGS 385526120545601 012N009E01A001M 2016-09-28 2016-09-28 2
USGS 385559120471701 013N011E31H001M 2016-08-09 2016-08-09 2
USGS 385606120090301 MIDDLE VELMA LK NR CAMP RICHARDSON CA 2011-09-16 2011-09-16 1
USGS 385742120085001 PHIPPS LK NR MEEKS BAY CA 2011-09-16 2011-09-16 1
USGS 385908120442601 013N011E10P001M 2016-08-22 2016-08-22 2
USGS 385926120193301 LOON LAKE NR MEEKS BAY SITE 3 CA 1996-06-04 1996-09-17 34
USGS 385957120432401 RUBICON R NR VOLCANOVILLE CA 2012-11-06 2012-11-15 14
USGS 390008120183201 LOON LAKE NR MEEKS BAY SITE 2 CA 1996-06-04 1996-09-17 47
USGS 390021120171001 LOON LAKE NR MEEKS BAY SITE 1 CA 1996-06-04 1996-09-17 25
  group icon Placer County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 11426194 NF AMERICAN R NR DUTCH FLAT CA 1979-06-01 2015-09-01 3
USGS 11426197 NF AMERICAN R AB SLAUGHTER RAVINE NR COLFAX CA 1979-03-06 1979-10-24 4
USGS 11426500 NF AMERICAN R NR COLFAX CA 2015-08-28 2015-08-28 1
USGS 11427000 NF AMERICAN R A NORTH FORK DAM CA 1977-07-11 1979-10-22 7
USGS 11427500 MF AMERICAN R A FRENCH MEADOWS CA 1979-06-04 1979-10-26 3
USGS 11433300 MF AMERICAN R NR FORESTHILL CA 1979-03-06 1979-10-24 4
USGS 11433500 MF AMERICAN R NR AUBURN CA 1956-10-25 1979-10-22 187
USGS 11433790 NF AMERICAN R A AUBURN DAM SITE NR AUBURN CA 2014-09-23 2017-10-30 4
USGS 11433800 NF AMERICAN R BL AUBURN DAMSITE NR AUBURN CA 1978-05-25 1980-11-05 10
USGS 384420121091101 FOLSOM LK NR BEALS POINT NR GRANITE BAY CA 2023-08-07 2023-08-07 1
USGS 384521121074101 FOLSOM LK A KELLY RAVINE NR GRANITE BAY CA 2023-08-07 2023-08-07 1
USGS 384857121054301 NF AMERICAN R NR PILOT HILL CA 2023-08-07 2023-08-07 1
USGS 384910121052100 FOLSOM LK NF ARM A MORMON RAVINE CA 1979-09-12 1979-09-12 15
USGS 385623121013401 N Fk Lk nr Auburn, CA 1998-09-22 1998-09-22 20
USGS 385947120542701 013N010E06N001M 2017-01-17 2017-01-17 2
USGS 390044120511401 014N010E33R001M 2016-11-30 2016-11-30 2
USGS 390120120431601 NF OF MF AMERICAN R NR MICHIGAN BLUFF CA 2012-11-13 2012-11-15 17
USGS 390221120435101 BIG GUN POND 4 A MICHIGAN BLUFF CA 2009-09-08 2009-09-08 6
USGS 390300120430001 014N011E15L001M 2008-10-22 2008-10-22 3
USGS 390305120500301 KEYSTONE MINE TUNNEL OUTLET NR FORESTHILL CA 2002-11-06 2002-11-06 2
USGS 390455120510601 GLEESON DIGGINGS MAIN SLUICE CUT NR IOWA HILL CA 2002-02-07 2002-02-07 2
USGS 390500120565001 014N009E11D001M 2016-12-01 2021-10-27 5
USGS 390510120455501 014N011E05L001M 2016-08-08 2016-08-08 2
USGS 390628120514701 JUPITER MINE TUNNEL INLET NR IOWA HILL CA 2002-02-07 2002-02-07 2
USGS 390629120515001 JUPITER MINE TUNNEL MIDWAY A SLUICE CUT 2002-02-07 2002-02-07 2
USGS 390932120504601 GOLD RUN MINE POND NR INDIANA RAVINE NR GOLD RUN 2001-02-21 2001-02-21 1
USGS 390945120562001 GOLD RUN TUNNEL OUTLET NR COLFAX CA 2001-02-21 2002-11-06 4
USGS 391011120514101 015N010E09D001M 2016-12-01 2021-11-15 4
USGS 391154120475101 015N010E01C001M 2016-08-09 2016-08-09 2
USGS 391515120225300 NF AMERICAN R BL SERENA C CA 1979-08-02 1979-08-02 1
USGS 391523120422401 016N011E14B001M 2016-08-08 2016-08-08 2