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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 -- 198 sites found


Hydrologic unit = 18090102
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 Inyo County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 10270960 COYOTE C NR BISHOP CA 2015-08-25 2015-08-25 1
USGS 10276500 TINEMAHA C NR BIG PINE CA 2015-08-26 2015-08-26 1
USGS 10277000 BIRCH C NR BIG PINE CA 2015-08-27 2015-08-27 1
USGS 370500118150001 010S034E09G001M 2006-09-20 2021-08-31 7
USGS 370641118152001 010S034E04F001M 1978-02-08 1978-02-08 1
USGS 370835118141001 009S034E22R001M 2006-10-25 2006-10-25 3
USGS 370835118141002 009S034E22R002M 2006-10-25 2006-10-25 3
USGS 370835118150303 009S034E28A003M 2006-10-26 2006-10-26 3
USGS 370838118151401 009S034E28A001M 2006-10-26 2006-10-26 3
USGS 370900118160001 009S034E17L001M 2006-10-04 2021-08-18 13
USGS 371000118140001 009S034E15A001M 2006-10-04 2006-10-04 3
USGS 371000118180001 009S034E07M001M 2006-09-11 2006-09-11 3
USGS 371100118330001 009S031E11HS01M 2008-09-23 2018-09-12 6
USGS 371700118230001 008S033E06H001M 2006-09-13 2006-09-13 3
USGS 371900118300001 007S032E19K001M 2008-09-23 2008-09-23 3
USGS 371900118320001 007S031E23J004M 2006-09-14 2021-08-18 7
USGS 372100118190001 007S033E10H001M 2006-09-21 2006-09-21 3
USGS 372100118250001 007S032E11K001M 2013-06-10 2013-06-10 3
USGS 372100118260001 007S032E10B002M 2006-10-25 2006-10-25 3
USGS 372123118261501 007S032E11E001M 2006-10-04 2006-10-04 3
USGS 372140118234801 007S033E06P002M 2006-10-26 2006-10-26 3
USGS 372200118220001 007S033E05B001M 2006-11-02 2006-11-02 3
USGS 372200118250001 006S032E36M005M 2006-09-11 2006-09-19 4
USGS 372247118241101 006S033E31M001M 1978-07-12 1978-07-12 1
USGS 372300118330001 006S031E27P001M 2006-09-13 2006-09-13 3
USGS 372400118200001 006S033E27D001M 2006-10-05 2006-10-05 3
USGS 372400118360001 006S031E19H001M 2006-09-13 2006-09-13 3
USGS 372511118193301 006S033E14P001M 1978-08-23 2006-10-05 4
USGS 372545118200901 006S033E15G001M 1978-03-08 1978-03-08 1
USGS 372700118440001 006S029E01JS01M 2008-09-24 2018-09-11 6
  group icon Mono County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 10265125 MAMMOTH C A TWIN LAKES NR MAMMOTH LAKES CA 2001-08-15 2022-07-26 21
USGS 10265127 MAMMOTH C TRIB BL MILL CITY NR MAMMOTH LAKES CA 2003-10-29 2005-07-21 8
USGS 10265128 MAMMOTH C A OLD MAMMOTH RD A MAMMOTH LAKES CA 2001-08-15 2022-07-26 19
USGS 10265130 MAMMOTH C A HWY 395 NR MAMMOTH LAKES CA 1983-08-14 2022-10-18 163
USGS 10265140 MAMMOTH C FLUME NR MAMMOTH LAKES CA 1983-05-01 1990-04-25 35
USGS 10265143 HOT C AB HOT C FISH HATCHERY NR MAMMOTH LAKES CA 1986-07-20 2022-10-18 125
USGS 10265147 HOT C AB GORGE GEYSER NR MAMMOTH LAKES CA 1984-11-06 2024-01-08 345
USGS 10265150 HOT C A FLUME NR MAMMOTH LAKES CA 1982-11-16 2024-01-08 413
USGS 10265160 LITTLE HOT C BL HOT SPR NR MAMMOTH LAKES, CA 1990-07-18 1993-07-15 14
USGS 10265360 HILTON C A LK CROWLEY CA 2001-08-14 2005-07-20 16
USGS 10265702 ROCK C AB DIV NR TOMS PLACE CA 2001-08-14 2005-08-17 16
USGS 372900118200001 005S033E22N001M 2006-09-11 2006-09-11 3
USGS 373000118380001 005S030E24C001M 2006-09-11 2006-09-19 4
USGS 373100118220001 005S033E08J001M 2006-10-05 2006-10-05 3
USGS 373240118353201 LK CROWLEY-AQUEDUCT CA 1986-05-24 1986-05-24 2
USGS 373531118591401 MAMMOTH C A TRAILHEAD NR MAMMOTH LAKES CA 1982-05-23 1982-05-23 1
USGS 373541118510401 CONVICT LK A OUTFLOW CA 1986-11-16 1986-11-16 1
USGS 373557118594401 MAMMOTH C AB LK MARY NR MAMMOTH LAKES CA 1982-05-23 1982-05-23 1
USGS 373618119001101 LK MARY NR MAMMOTH LAKES CA 1998-06-04 1998-06-04 2
USGS 373620119002801 MAMMOTH C BL LK MARY NR MAMMOTH LAKES CA 1982-05-23 1982-05-23 1
USGS 373629119010801 HORSESHOE LAKE NR MAMMOTH LAKES CA 1994-10-20 1998-06-04 6
USGS 373634119004801 004S027E08R001M 1995-10-16 1998-08-27 5
USGS 373641118504901 CONVICT C BL CONVICT LK NR MAMMOTH LAKES, CA 1986-11-16 1991-06-16 2
USGS 373650119011301 004S027E08L001M 1996-07-18 1998-08-26 3
USGS 373701118533701 004S028E09FS01M 1983-06-03 1995-07-28 18
USGS 373701118533810 REFERENCE S0ITE 1990-12-13 1992-01-22 7
USGS 373706118585901 004S027E10F002M 1988-03-03 1988-03-03 1
USGS 373716119002301 TWIN LAKES SITE C NR MAMMOTH LAKES CA 2003-10-28 2005-07-22 39
USGS 373718119002601 TWIN LAKES SITE B NR MAMMOTH LAKES CA 2003-10-28 2005-07-22 39
USGS 373721118544301 LAUREL C A SHERWIN RD NR MAMMOTH LAKES, CA 1988-03-04 1996-06-05 5
USGS 373721118583901 004S027E03Q002M 1990-07-20 1995-07-26 3
USGS 373723119002301 TWIN LAKES SITE A NR MAMMOTH LAKES CA 2003-10-28 2005-07-22 28
USGS 373727118552601 VALENTINE C A LOS ANGELES CAMP NR MAMMOTH LAKES CA 1995-08-07 1995-08-07 1
USGS 373727118583901 004S027E03Q001M 1988-03-03 2022-10-04 31
USGS 373729118532802 004S028E04P002M 1985-07-18 1993-08-20 3
USGS 373729118583503 004S027E03R003M 1987-07-30 1987-07-30 1
USGS 373732118490001 004S029E06P001M 1986-06-13 1986-06-13 1
USGS 373742118515703 004S028E03J003M 1995-07-27 1995-07-27 1
USGS 373746118561801 SHERWIN C A SHERWIN RD NR MAMMOTH LAKES CA 1988-03-04 1996-06-05 5
USGS 373748118585201 003S027E03G001M 1995-07-28 2022-10-04 31
USGS 373749118591801 MAMMOTH C AB OLD MAMMOTH NR MAMMOTH LAKES CA 1982-05-24 1982-05-24 1
USGS 373756118594601 004S027E04GS01M 1995-07-27 1995-07-27 2
USGS 373757118591801 004S027E03E001M 1986-06-10 1986-06-10 1
USGS 373802118593301 004S027E04AS01M 1995-07-27 1995-07-27 1
USGS 373803118585901 004S027E03C001M 1991-07-24 2022-10-03 30
USGS 373806118575701 MAMMOTH C A SHERWIN C RD NR MAMMOTH LAKES CA 1982-05-24 1996-06-05 5
USGS 373811118591801 004S027E03D001M 2015-02-24 2022-10-04 27
USGS 373812118432701 004S029E01BS01M 1987-07-16 1988-07-09 4
USGS 373813118585401 003S027E34Q001M 2015-02-24 2022-10-04 29
USGS 373816118532001 003S028E33Q001M 1986-07-21 1986-07-21 1
USGS 373817118514101 003S028E35NS02M HOT C FH 1984-06-21 1988-03-02 4
USGS 373818118513301 003S028E35NS03M HOT C FH 1988-10-21 2022-10-18 279
USGS 373818118533202 003S028E33P004M 1985-07-16 1991-07-12 5
USGS 373819118514901 003S028E34RS02M 1995-06-20 1995-06-20 1
USGS 373819118515201 003S028E34RS0 M 1986-10-16 1986-10-16 1
USGS 373819118533301 MAMMOTH C BL CHANCE SPRINGS NR MAMMOTH LAKES CA 1986-05-22 1986-07-20 4
USGS 373820118511801 003S028E35PS01M 1984-06-21 1988-03-02 5
USGS 373820118533701 003S028E33PS02M 1986-05-22 1986-07-20 3
USGS 373821118514730 003S028E35NS01M 1973-07-26 1973-07-26 1
USGS 373821118531901 003S028E33PS01M 1982-08-26 1991-04-17 31
USGS 373822118431801 003S029E36QS02M 1987-07-16 1988-07-09 4
USGS 373822118514401 003S028E34RS01M HOT C FH 1984-06-21 2022-10-18 289
USGS 373825118540201 003S028E32RS01M 1982-08-27 1986-08-30 13
USGS 373829118505801 003S028E35KS01M HOT C FH 1984-06-21 2021-03-01 87
USGS 373829118564801 003S027E36L001M 2015-04-29 2022-10-04 29
USGS 373833118590801 003S027E34L001M 1995-07-26 2022-10-04 31
USGS 373835118510701 HOT C BL FISH HATCHERY NR MAMMOTH LAKES - SITE A 1982-05-25 1982-05-25 1
USGS 373835118541901 003S028E32K001M 1987-12-10 1988-09-22 3
USGS 373837118504301 HOT C A RANCH NR MAMMOTH LAKES CA 1984-11-06 1984-11-06 1
USGS 373837118510801 MAMMOTH C AB HOT C NR MAMMOTH LAKES CA 1982-05-25 1982-05-25 1
USGS 373838118503901 003S028E36MS01M 1973-01-13 1973-01-13 1
USGS 373839118510101 HOT C BL FISH HATCHERY NR MAMMOTH LAKES - SITE B 1986-07-20 1988-03-01 4
USGS 373840118545001 003S028E32E006M 1986-04-11 1990-07-10 23
USGS 373841118545305 003S028E32ES04M 1984-12-19 1988-03-02 11
USGS 373842118545301 003S028E32E004M 1985-10-13 1988-04-19 6
USGS 373842118545501 003S028E32FS01M 1984-05-09 1984-09-04 2
USGS 373842118545502 003S028E32ES03M 1984-10-13 1984-10-13 1
USGS 373842118545505 003S028E32ES10M 1986-08-30 1987-02-11 4
USGS 373843118545501 003S028E32ES01M 1986-02-15 1986-02-15 1
USGS 373843118585901 003S027E34F001M 2015-07-28 2022-10-04 28
USGS 373844118545301 003S028E001M 1995-07-26 1995-07-26 1
USGS 373845118545601 003S028E32ES05M 1983-03-15 1986-04-09 11
USGS 373845118574201 003S027E35G001M 2018-01-31 2022-11-15 381
USGS 373845118574202 003S027E35G002M 2018-02-01 2020-12-01 9
USGS 373846118545505 003S028E32ES06M 1984-12-19 1988-03-02 11
USGS 373846119023101 003S027E31E001M 1996-07-18 1998-08-27 3
USGS 373847118582201 003S027E35E002M 2021-08-31 2022-10-04 62
USGS 373848118545701 003S028E32ES07M 1983-08-19 1983-10-04 2
USGS 373848118545702 003S028E32ES08M 1985-02-06 1985-07-16 2
USGS 373848118545801 003S028E32ES09M 1984-05-09 1984-05-09 1
USGS 373849118545501 003S028E32E005M 1985-07-11 1990-07-10 20
USGS 373850118513501 HOT BUBBLING POOL NR MAM 1983-02-04 1992-04-15 4
USGS 373850118550701 CASA DIABLO SPRING 1982-08-26 1983-05-01 6
USGS 373853118502701 HOT C SITE C NR MAMMOTH LAKES CA 1980-12-10 1980-12-10 1
USGS 373855118522801 003S028E34CS01M 1984-10-13 1985-10-18 3
USGS 373859118575601 003S027E35C003M 2021-08-16 2022-11-17 319
USGS 373859118575801 003S027E35C001M 2021-03-16 2022-11-15 261
USGS 373859118575802 003S027E35C002M 2021-11-18 2022-02-15 2
USGS 373901119012901 003S027E32D001M 1995-11-02 1998-08-27 2
USGS 373904118570701 003S027E25N001M 2016-02-23 2022-11-16 369
USGS 373904118570702 003S027E25N002M 2016-02-24 2020-12-02 19
USGS 373904119021501 003S027E31C001M 1995-11-03 1995-11-03 1
USGS 373905118570701 003S027E25N003M 2018-01-31 2022-11-16 1113
USGS 373906118522301 003S028E34C001M 1986-06-08 1986-06-08 1
USGS 373913118551001 LAKE E. SIDE HWY 395 CA 1986-04-13 1986-08-30 5
USGS 373915118493701 003S028E25HS04M 1994-03-10 1997-10-22 24
USGS 373924118552201 LAKE W SIDE HWY 395 CA 1986-04-13 1986-08-30 4
USGS 373924118571201 003S027E25M001M 1986-11-15 1987-07-14 3
USGS 373927118571701 003S027E25M002M 2016-02-25 2022-11-17 324
USGS 373927118571702 003S027E25M003M 2016-05-18 2022-08-25 15
USGS 373929118455401 003S029E27L001M 1973-06-11 1973-06-11 3
USGS 373929118455402 003S029E27L006M 1973-06-11 1973-06-11 1
USGS 373930118491601 003S029E30E001M 1983-08-09 1984-11-09 2
USGS 373930118491602 003S029E30E002M 1983-08-16 1983-08-16 1
USGS 373940118494001 003S028E25HS02M 1990-12-13 2021-03-02 79
USGS 373940118494301 GORGE SPRING NO 2 1983-01-11 1987-07-28 11
USGS 373941118494301 003S028E25HS03M 1992-10-21 1994-04-13 14
USGS 373942118243401 003S032E26H001M 2006-10-02 2006-10-02 3
USGS 373942118494201 003S028E25HS01M 1983-03-16 2007-04-24 36
USGS 373943118493901 HOT C GORGE SPRING 7R NR MAMMOTH LAKES CA 2013-11-06 2024-01-08 28
USGS 373943118494101 MORNING GLORY SPRING CA 1983-12-13 1983-12-13 1
USGS 373944118493501 HOT C SITE D NR MAMMOTH LAKES CA 1980-12-10 1980-12-10 1
USGS 373944118493601 HOT C A HOT SPRINGS NR MAMMOTH LAKES CA 1982-05-25 1982-05-25 1
USGS 373944118493701 003S028E25HS05M 2020-10-14 2020-10-14 1
USGS 373945118493601 HOT C BL GORGE HOT SPRINGS NR MAMMOTH LKS, CA 1987-07-17 2006-08-29 9
USGS 373951118445001 OWENS R AB LK CROWLEY EB CA 1988-07-10 1988-07-10 1
USGS 373951118445601 OWENS R AB LK CROWLEY WB CA 1988-07-10 1988-07-10 1
USGS 373953118480310 003S029E29FS01M 1973-07-28 1973-07-28 1
USGS 373953118493701 HOT CREEK HOT SPRING S3 1980-12-10 1980-12-10 1
USGS 373955118482210 003S029E29DS01M 1973-08-04 1973-08-04 1
USGS 373955118492601 HOT C SITE D3 NR MAMMOTH LAKES CA 1980-12-10 1980-12-10 1
USGS 374000119010101 003S027E29B002M 1990-09-12 2002-09-26 2
USGS 374004118481210 003S029E20NS01M 1973-07-26 1973-07-26 1
USGS 374007118490101 HOT C SITE E NR MAMMOTH LAKES CA 1980-12-10 1980-12-10 1
USGS 374010118465301 003S029E21PS01M 1986-04-10 1990-01-10 7
USGS 374031118415501 003S029E21F003M 1973-05-15 1973-05-15 1
USGS 374048118542701 003S028E20B001M 1992-05-26 1992-05-26 1
USGS 374048118542801 003S028E20B003M 2000-05-05 2001-09-11 4
USGS 374050118250101 003S032E14Q001M 2006-10-02 2006-10-02 3
USGS 374050118523501 003S028E22DS01M 1985-12-17 1986-08-27 4
USGS 374056118473110 003S029E17RS01M 1973-08-09 1973-08-09 1
USGS 374059118473610 003S029E17RS04M 1973-08-09 1973-08-09 1
USGS 374115118461601 003S029E16J001M 1973-06-11 1973-06-11 1
USGS 374125118502501 003S028E13ES01M 1983-02-03 1993-07-15 34
USGS 374131119004101 S INYO CRATER LK NR MAMMOTH LAKES CA 1986-06-13 1986-11-15 3
USGS 374136118434501 003S029E13C001M 1985-07-17 1986-05-24 3
USGS 374137119004001 N INYO CRATERS LK CA 1986-09-01 1986-09-01 1
USGS 374307119013001 DEADMAN C NR MAMMOTH LAKES CA 1991-05-02 1991-05-02 1
USGS 374315118441201 003S029E02A001M 1986-05-20 1986-05-20 1
USGS 374317119003301 DEADMAN C NR LO CAMPGROUND NR MAMMOTH LAKES CA 1991-08-07 1991-08-07 1
USGS 374327118445901 002S029E35N001M 1986-05-20 1986-05-20 1
USGS 374332118491001 002S029E31P001M 1978-08-23 1986-05-20 2
USGS 374349119012801 002S027E32ES01M 1991-08-07 1991-08-07 1
USGS 374351118581701 002S027E35E001M 1991-08-09 1991-08-09 1
USGS 374415118482701 OWENS R AB LITTLE HOT C NR MAMMOTH LAKES CA 1988-07-10 1988-07-10 1
USGS 374420118532501 002S028E28P001M 1991-06-22 1991-08-25 2
USGS 374501118561501 OWENS R BL BIG SPRINGS NR MAMMOTH LAKES CA 1991-08-07 1991-08-07 1
USGS 374503118554901 002S027E25AS01M 1985-07-18 1991-01-18 6
USGS 374506118585701 GLASS C NR CRESTVIEW NR MAMMOTH LAKES CA 1991-08-07 1991-08-07 1
USGS 374511118553001 002S028E19QS02M 1991-05-01 1991-08-25 2
USGS 374511118585801 002S027E22P001M 1991-08-09 1991-08-09 1
USGS 374525118532701 MONO TUNNEL EAST PORTAL NR CRESTVIEW CA 1996-02-18 1996-02-18 1
USGS 374531118555001 002S028E19LS01M 1991-05-01 1991-05-01 1
USGS 374600119023001 002S027E18PS01M 1986-06-11 1986-06-11 1
USGS 374607118552701 002S028E18QS01M 1991-06-15 1991-06-15 1
USGS 374620118563201 002S027E13JS01M 1991-06-15 1991-06-15 1
USGS 374735118524901 002S028E10DS01M 1991-06-15 1991-06-15 1
USGS 374900118280001 001S032E31H001M 2006-10-05 2021-08-17 10