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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 -- 184 sites found


Hydrologic unit = 18020125
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 Butte County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 393040121182001 019N006E16C001M 2021-09-15 2021-09-15 3
  group icon Nevada County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 11408700 M YUBA R NR ALLEGHANY CA 2002-11-01 2015-09-15 23
USGS 11409000 M YUBA R AB OREGON C NR NORTH SAN JUAN CA 1966-11-17 1969-09-30 31
USGS 11414000 S YUBA R NR CISCO CA 1980-01-24 2012-09-25 20
USGS 11417100 POORMAN C NR WASHINGTON CA 2015-09-15 2015-09-15 1
USGS 11417500 S YUBA R A JONES BAR NR GRASS VALLEY CA 1966-11-17 2004-05-28 246
USGS 11418500 DEER C NR SMARTSVILLE CA 1973-11-07 1979-03-27 46
USGS 391130121143001 015N007E06C002M 1980-05-28 1980-05-28 1
USGS 391133121110001 015N007E03C002M 1980-06-18 1980-06-18 1
USGS 391134121143201 015N007E06C001M 1980-05-28 1980-05-28 1
USGS 391136121140801 015N007E06B002M 1980-05-28 1980-05-28 1
USGS 391136121141501 015N007E06B001M 1980-05-28 1980-05-28 1
USGS 391136121162901 015N006E02C001M 1980-05-23 1980-05-23 1
USGS 391140121150501 016N006E36P005M 1980-06-16 1980-06-16 1
USGS 391141121145801 016N006E36P001M 1980-06-14 1980-06-14 1
USGS 391144121145001 016N006E36Q001M 1980-06-17 1980-06-17 1
USGS 391147121145901 016N006E36P002M 1980-06-14 1980-06-14 1
USGS 391148121150001 016N006E36P003M 1980-06-14 1980-06-14 1
USGS 391154121164101 016N006E34J002M 1980-05-21 1980-05-21 1
USGS 391157121145901 016N006E36L002M 1980-06-16 1980-06-16 1
USGS 391200121150001 016N006E35G001M 2015-11-05 2015-11-05 2
USGS 391200121163601 016N006E35M001M 1980-05-21 1980-05-21 1
USGS 391207121110201 016N007E34M001M 1980-06-18 1980-06-18 1
USGS 391210121162701 016N008E35E001M 1980-05-21 1980-05-21 1
USGS 391300121100001 016N007E27B001M 2015-11-05 2015-11-05 2
USGS 391400121060001 016N008E20ES01M 2015-12-16 2015-12-16 1
USGS 391400121080001 016N007E24C001M 2015-11-16 2015-11-16 2
USGS 391400121130001 016N007E18B001M 2015-11-19 2021-01-06 5
USGS 391440121080801 DEER C BL DEER C FALLS NR ROUGH AND READY CA 2000-08-24 2000-08-24 1
USGS 391457121045401 DEER C NR GRASS VALLEY CA 2010-09-13 2011-09-08 52
USGS 391500121000001 016N009E18H001M 2016-03-17 2016-03-17 2
USGS 391500121030001 016N008E15A001M 2015-11-04 2021-01-12 5
USGS 391500121130001 016N007E18A001M 2015-11-19 2015-11-19 2
USGS 391518121025801 DEER C A STOCKING FLAT NR NEVADA CITY CA 2010-05-18 2011-09-08 11
USGS 391519121024701 DEER C NR NEVADA CITY CA 2010-05-18 2011-09-08 71
USGS 391533121021601 DEER C A NEVADA CITY CA 2010-05-18 2010-05-18 1
USGS 391537121015701 DEER C 700 FT DS OF UNNAMED TRIB A NEVADA CITY CA 2010-09-13 2011-09-08 9
USGS 391600120560001 016N009E02K001M 2008-10-08 2008-10-08 3
USGS 391600120570001 016N009E03G001M 2015-11-18 2020-12-09 5
USGS 391607121020601 HIRSCHMANS POND NR NEVADA CITY CA 2010-05-18 2010-05-18 1
USGS 391617120555501 DEER C BL SCOTTS FLAT RES NR NEVADA CITY CA 2000-01-27 2000-01-27 1
USGS 391726120591401 LITTLE ROCK C .05 MI BL BLUE TENT RD NR NEVADA CTY 2003-07-08 2003-07-09 2
USGS 391726121115601 KENTUCKY RAVINE NR FRENCH CORRAL CA 2004-04-29 2004-04-29 1
USGS 391727120591501 LITTLE ROCK C .1 MI BL BLUE TENT RD NR NEVADA CITY 2003-07-08 2003-07-09 2
USGS 391728120540101 UNNAMED TRIB TO DEER C A SCOTTS FLAT RES BL CASCI 2000-01-27 2000-01-27 3
USGS 391728120592201 LITTLE ROCK C .2 MI BL BLUE TENT RD NR NEVADA CITY 2003-07-08 2003-07-09 2
USGS 391731120535701 DEER C AB SCOTTS FLAT RES NR NEVADA CITY CA 2000-01-27 2000-01-27 1
USGS 391734121112501 S YUBA R A BRIDGEPORT CA 2002-09-27 2002-10-23 31
USGS 391742120593801 LITTLE ROCK C .9 MI BL BLUE TENT RD NR NEVADA CITY 2003-07-12 2003-07-12 2
USGS 391744121105801 FRENCH CORRAL C NR BRIDGEPORT CA 2004-04-29 2004-04-29 1
USGS 391754120504801 SF DEER C NR WASHINGTON CA 2012-07-24 2012-09-25 16
USGS 391756120594501 ROCK C AB LITTLE ROCK C NR NEVADA CITY CA 2003-07-12 2003-07-12 2
USGS 391759120594201 LITTLE ROCK C AB ROCK C NR NEVADA CITY CA 2003-07-12 2003-07-12 2
USGS 391800120470001 017N011E30DS01M 2008-10-09 2008-10-09 2
USGS 391800121000001 017N009E30M001M 2015-12-10 2015-12-10 2
USGS 391800121020002 017N008E26B001M 2015-12-10 2015-12-10 2
USGS 391810121001601 ROCK C A ROCK C RD NR NEVADA CITY CA 2003-07-10 2003-07-10 2
USGS 391900120360001 017N012E22L001M 2008-08-28 2008-08-28 3
USGS 391900120400001 017N012E30H001M 2016-05-11 2016-05-11 2
USGS 391900120480001 017N010E24B001M 2015-12-16 2021-01-05 5
USGS 391900120530001 017N010E20M001M 2016-02-23 2021-01-13 5
USGS 391900120580001 017N009E28A001M 2016-04-04 2016-04-04 2
USGS 391900121050001 017N008E20R001M 2015-12-15 2015-12-15 2
USGS 391900121090001 017N007E24D001M 2015-12-15 2015-12-15 2
USGS 391911120392201 S YUBA R AB LANGS CROSSING NR EMIGRANT GAP CA 2002-10-17 2012-09-20 67
USGS 391922121060501 SHADY C NR NORTH SAN JUAN CA 2004-02-26 2004-02-26 1
USGS 391937120575301 BLUE HOLE LK A SAILOR FLAT MINE NR NEVADA CITY CA 1999-08-24 2002-08-21 3
USGS 391937121090201 BIRCHVILLE POND NR FRENCH CORRAL CA 2002-02-05 2002-02-05 2
USGS 391938121022901 S YUBA R AB PURDON CROSSING NR NEVADA CITY CA 2002-10-01 2002-10-21 18
USGS 391940120574901 SAILOR FLAT MINE E DR GULCH NR NEVADA CITY CA 1999-08-24 1999-08-24 2
USGS 391949120585001 S YUBA R NR EDWARDS CROSSING NR NEVADA CITY CA 2012-08-17 2012-08-17 22
USGS 391949120585901 S YUBA R A EDWARDS CROSSING NR NEVADA CITY CA 2000-01-28 2000-01-28 1
USGS 391950121111401 M YUBA R AB COLGATE PH NR FRENCH CORRAL CA 2002-10-25 2002-10-25 2
USGS 392000120230001 017N014E22C001M 2016-05-09 2016-05-09 2
USGS 392000121040001 017N008E15D001M 2015-11-18 2015-11-18 2
USGS 392007120471001 ALPHA MINE PIT LK NR WASHINGTON CA 2000-08-23 2002-07-29 3
USGS 392010120553901 S YUBA R AB HUMBUG C NR NORTH BLOOMFIELD CA 2012-08-06 2012-08-06 8
USGS 392014120581601 GRIZZLY HILL TUNNEL OUTLET NR NORTH BLOOMFIELD CA 2003-03-16 2003-03-16 2
USGS 392015120470501 ALPHA MINE PIT NR WASHINGTON CA 1999-12-16 1999-12-16 2
USGS 392020120453701 OMEGA SOUTH TUNNEL NR WASHINGTON CA 1999-04-30 1999-04-30 2
USGS 392020120453901 OMEGA EAST MAINSTEM NR WASHINGTON CA 1999-04-30 1999-04-30 1
USGS 392022120453301 OMEGA EAST SHAFT (TUNNEL VENT SHAFT) NR WASHINGTON 1999-04-30 1999-04-30 2
USGS 392023120470001 ALPHA MINE RED TUNNEL NR WASHINGTON 1999-12-16 1999-12-16 2
USGS 392025120532201 S YUBA R A MISSOURI BAR NR NEVADA CITY CA 2002-10-29 2002-10-29 30
USGS 392036121072901 SWEETLAND C AT SWEETLAND CA 2004-04-27 2004-04-27 1
USGS 392042120463401 SCOTCHMAN C AB OMEGA DR GULCH NR WASHINGTON CA 1999-06-08 1999-06-08 2
USGS 392045120463301 OMEGA DR GULCH A SCOTCHMAN C NR WASHINGTON CA 1999-06-08 1999-06-08 2
USGS 392051120553501 MALAKOFF DIGGINGS N BLMFLD TNNL DISCH NR N BLMFLD 1999-07-07 1999-07-07 2
USGS 392100121010001 017N009E07M001M 2016-02-23 2021-01-05 5
USGS 392103120255201 Upper Lola Montez Lk nr Truckee, CA 2009-07-29 2009-07-29 41
USGS 392108120470001 ALPHA MINE MAIN DRAINAGE N ALPHA DIG NR WASHINGTON 2000-06-20 2000-06-20 1
USGS 392111120511301 RELIEF HILL HYDR PIT MINE DR TNNL NR N BLOOMFIELD 1999-09-01 2002-07-30 3
USGS 392111120552501 MALAKOFF DIGGINGS LK CITY TNNL DISCH NR N BLMFLD 1999-07-07 1999-07-07 2
USGS 392116120470101 SCOTCHMAN C A THE FALLS NR WASHINGTON CA 2002-07-29 2002-07-29 2
USGS 392119120470201 SCOTCHMAN C BL FALLS NR WASHINGTON CA 2000-06-20 2002-07-29 9
USGS 392119120484901 S YUBA R BL POORMAN C NR WASHINGTON CA 2002-10-17 2011-09-07 20
USGS 392119120512201 RELIEF HILL POND NR RELIEF HILL CA 2002-07-30 2002-07-30 3
USGS 392120120511801 RELIEF HILL UPPER POND NR NORTH BLOOMFIELD CA 2002-07-30 2002-07-30 1
USGS 392122120364501 FORDYCE C AB LK SPAULDING NR EMIGRANT GAP CA 2012-08-22 2012-10-01 12
USGS 392126120510201 RELIEF HILL DEEP BLUE TNNL OUTFLOW NR N BLOOMFIELD 1999-05-20 1999-05-20 2
USGS 392141120255601 Soil core 3 nr Forest Route 85 nr Truckee, CA 2009-07-29 2009-07-29 5
USGS 392141120255701 Soil core 2 nr Forest Route 85 nr Truckee, CA 2009-07-29 2009-07-29 6
USGS 392141120255801 Soil core 1 nr Forest Route 85 nr Truckee, CA 2009-07-29 2009-07-29 7
USGS 392147120542301 HUMBUG C AB LEDU MINE TUNNEL NR NORTH BLOOMFIELD 2017-04-08 2017-04-08 1
USGS 392147120542401 UNNAMED TRIB TO HUMBUG C NR NORTH BLOOMFIELD CA 2017-04-08 2017-07-17 3
USGS 392148120543301 HUMBUG C BL LEDU MINE NR NORTH BLOOMFIELD CA 2017-04-08 2017-04-08 1
USGS 392150120543001 LEDU MINE TUNNEL MIDWAY INFLOW NR N BLOOMFIELD CA 2017-04-08 2017-04-08 1
USGS 392151120542901 LEDU MINE TUNNEL DISCHARGE NR NORTH BLOOMFIELD CA 2002-02-05 2017-07-17 5
USGS 392152120543001 LEDU MINE TUNNEL INFLOW NR NORTH BLOOMFIELD CA 2017-04-08 2017-07-17 3
USGS 392152120551401 MALAKOFF DIGGINGS FLD GREEN SHAFT DISCH NR BLMFLD 1999-04-28 1999-04-28 1
USGS 392155120551601 MALAKOFF DIGGINGS FLOODED RED SHAFT NR N BLMFLD 1999-04-28 1999-12-01 4
USGS 392159120543901 LEDU MINE POND 1 NR NORTH BLOOMFIELD CA 2017-07-18 2017-07-18 1
USGS 392159120544101 CRYSTAL HILL MINE POND NR NORTH BLOOMFIELD CA 2002-02-05 2002-02-05 2
USGS 392159120544901 LEDU MINE POND 3 NR NORTH BLOOMFIELD CA 2017-07-18 2017-07-18 2
USGS 392159120551701 VIRGIN RAVINE A DIGGINS C NR NORTH BLOOMFIELD CA 2017-07-18 2017-07-18 2
USGS 392200120545601 LEDU MINE SITE 6 NR NORTH BLOOMFIELD CA 2017-07-18 2017-07-18 1
USGS 392200120545701 LEDU MINE SITE 7 NR NORTH BLOOMFIELD CA 2017-07-18 2017-07-18 2
USGS 392201120544901 LEDU MINE POND 2 A NORTH BLOOMFIELD CA 2017-07-18 2017-07-18 1
USGS 392201120552301 MALAKOFF DIGGINGS POND NR NORTH BLOOMFIELD CA 1999-11-12 1999-12-01 2
USGS 392202120550301 VIRGIN RAVINE SITE 8 SLUICE DUMP NR N BLOOMFIELD 2017-07-18 2017-07-18 1
USGS 392204120545801 VIRGIN RAVINE SITE 9 SLUICE DUMP NR N BLOOMFIELD 2017-07-18 2017-07-18 1
USGS 392204120551601 MALAKOFF DIGGINGS HILLER TNNL DISCH N BLOOMFIELD 1999-12-01 1999-12-01 1
USGS 392256121055901 CLEAR C NR NORTH SAN JUAN CA 2004-04-28 2004-04-28 1
USGS 392300120540001 018N009E25R001M 2016-05-09 2016-05-09 2
USGS 392300121020001 018N008E36N001M 2016-04-08 2016-04-08 2
USGS 392400120480001 018N010E24M001M 2016-05-22 2016-05-22 1
USGS 392400120570001 018N009E27H001M 2015-12-17 2015-12-17 2
USGS 392512120453101 ANCHO ERIE DRAINAGE A TAILINGS DAM NR WASHINGTON 2002-07-31 2002-07-31 5
USGS 392512120453201 ANCHO ERIE DRAINAGE A POORMAN C NR WASHINGTON CA 2002-07-31 2002-07-31 2
USGS 392513120453301 POORMAN C BL ANCHO ERIE MINE DRAIN NR WASHINGTON 2002-07-31 2002-07-31 5
USGS 392700120390001 018N012E08C001M 2016-05-24 2016-05-24 2
USGS 393120120353301 M YUBA R 0.6 MI BL MILTON DAM CA 2002-10-15 2003-06-10 18
  group icon Placer County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 391800120270001 017N014E30D001M 2016-04-07 2021-01-11 5
USGS 391800120320001 017N013E29K001M 2016-03-16 2016-03-16 2
  group icon Sierra County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 11408850 M YUBA R NR CAMPTONVILLE CA 2002-11-04 2002-11-04 2
USGS 11410500 N YUBA R NR SIERRA CITY CA 1971-09-23 1972-09-07 17
USGS 11411000 DOWNIE R A DOWNIEVILLE CA 2015-08-27 2015-08-27 1
USGS 11413000 N YUBA R BL GOODYEARS BAR CA 1971-09-23 1977-12-21 28
USGS 392626120475301 MIDDLE YUBA R A OLD BAYS TRAIL NR ALLEGHANY CA 2002-10-22 2002-10-22 20
USGS 393200120530002 019N010E05MS02M 2016-05-23 2016-05-23 2
USGS 393300120490001 020N010E36NS01M 2016-05-23 2016-05-23 2
USGS 393400120370001 020N012E28HS01M 2016-05-10 2016-05-10 2
USGS 393700120320001 020N013E05CS01M 2008-09-16 2008-09-16 3
  group icon Yuba County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 11410000 M YUBA R NR NORTH SAN JUAN CA 2000-12-06 2004-05-25 175
USGS 11413100 N YUBA R AB SLATE C NR STRAWBERRY CA 1971-10-02 1972-06-01 9
USGS 11413700 YUBA R BL NEW COLGATE POWERPLANT NR FRENCH CORRAL 2001-01-31 2002-06-13 27
USGS 11418000 YUBA R BL ENGLEBRIGHT DAM NR SMARTSVILLE CA 2001-02-14 2004-05-25 54
USGS 11419600 YUBA R NR SMARTSVILLE CA 1960-10-03 2002-12-14 53
USGS 11420800 YUBA R A DAQUERRA PT NR BROWNS VALLEY CA 2001-08-28 2002-12-10 3
USGS 11421000 YUBA R NR MARYSVILLE CA 1976-12-16 1995-11-02 44
USGS 11421500 YUBA R A MARYSVILLE CA 1960-10-03 2002-12-11 120
USGS 390810121345501 YUBA R A SOUTHERN PACIFIC RR BR A MARYSVILLE CA 2002-08-07 2002-08-07 1
USGS 391049121315501 015N004E04F002M 1976-08-17 1976-08-17 1
USGS 391101121303501 YUBA R A HALLWOOD BLVD NR MARYSVILLE CA 2002-08-06 2002-08-06 1
USGS 391132121284501 YUBA R NR HAMMONTON CA 2002-08-06 2002-08-06 1
USGS 391250121240601 T POND OUTLET IN YUBA GOLDFIELDS NR HAMMONTON CA 2003-07-17 2003-07-17 1
USGS 391258121235301 LARGE POND W OF WETLANDS POND IN YUBA GOLDFIELDS 2003-07-22 2003-07-22 1
USGS 391259121240801 T POND IN YUBA GOLDFIELDS NR HAMMONTON CA 2003-07-17 2003-07-17 1
USGS 391300121200001 016N006E19F001M 2015-11-16 2015-11-16 2
USGS 391300121234701 WETLANDS POND NE OF S POND IN YUBA GOLDFIELDS 2003-07-17 2003-07-17 1
USGS 391304121235301 LARGE POND E OF BIG SEEP IN YUBA GOLDFIELDS 2003-07-22 2003-07-22 1
USGS 391305121240001 BIG SEEP SECTION 27 IN YUBA GOLDFIELDS 2003-07-17 2003-07-17 1
USGS 391313121191501 YUBA R A HWY 20 NR SMARTSVILLE CA 2002-08-06 2002-08-06 1
USGS 391400121200001 016N006E18D001M 2015-11-03 2015-11-03 2
USGS 391400121250001 016N005E16P001M 2015-11-03 2015-11-03 2
USGS 391406121191901 YUBA R A TIMBUCTOO BEND NR SMARTSVILLE CA 2002-08-07 2002-08-07 1
USGS 391700121210001 017N006E30N001M 2015-12-07 2021-01-07 5
USGS 391755121221801 017N005E26J001M 1976-08-26 1976-08-26 1
USGS 391800121220001 017N005E25D001M 2015-11-02 2015-11-02 2
USGS 391802121014001 LAKE VERA S SHORE NR NEVADA CITY CA 2003-06-26 2003-07-09 2
USGS 391803121012901 LAKE VERA ROCK C ARM NR NEVADA CITY CA 2003-06-26 2003-07-09 2
USGS 391807121014001 LAKE VERA IN THALWEG NR DAM NR NEVADA CITY CA 2003-06-26 2003-07-09 2
USGS 391900121150001 017N006E23H001M 2015-11-17 2015-11-17 2
USGS 392200121120001 018N007E32J001M 2016-02-24 2016-02-24 2
USGS 392200121150001 018N006E36L001M 2015-12-07 2020-12-08 5
USGS 392300121060001 018N008E29P001M 2016-03-15 2016-03-15 2
USGS 392300121140001 018N006E25K001M 2015-11-17 2015-11-17 2
USGS 392600121100001 018N007E10H001M 2016-02-22 2021-01-12 5
USGS 392700121030001 018N008E02K001M 2015-12-14 2015-12-14 2
USGS 392700121110001 018N007E04K001M 2016-02-24 2016-02-24 2
USGS 392700121150001 018N006E01C001M 2016-02-22 2020-12-08 5
USGS 392800121060001 019N008E32B001M 2015-12-17 2015-12-17 2
USGS 392800121150001 019N006E26J001M 2016-03-15 2016-03-15 2
USGS 393300121080001 020N007E36J001M 2016-05-12 2016-05-12 2