Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 -- 234 sites found


Hydrologic unit = 18060007
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 Kern County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 345611119275201 010N024W20L001S 1966-05-05 1966-05-05 1
USGS 345645119271801 010N024W17R001S 1966-05-05 1966-05-05 1
USGS 350609119590601 032S028E32H001M 1958-03-20 1958-03-20 1
  group icon San Luis Obispo County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 11136800 CUYAMA R BL BUCKHORN CYN NR SANTA MARIA CA 1977-12-28 2021-03-12 393
USGS 11137900 HUASNA R NR ARROYO GRANDE CA 1980-06-05 2011-01-20 76
USGS 345427119311801 010N025W35F001S 1942-07-14 1942-07-14 1
USGS 345438119311901 010N025W35C001S 1942-07-14 1953-08-06 2
USGS 345447119315901 010N025W27R001S 1942-07-14 1942-07-14 1
USGS 345504119304101 010N025W25M003S 1966-05-05 1966-05-05 1
USGS 345510119313401 010N025W26E001S 1942-07-14 1942-07-14 1
USGS 345512119322101 010N025W27G001S 1953-08-06 1953-08-06 1
USGS 345531119341101 010N025W29A001S 1947-03-20 1947-03-20 1
USGS 345531119341102 010N025W29A002S 1942-08-12 1942-08-12 1
USGS 345537119322301 010N025W22P001S 1953-08-06 1955-09-28 2
USGS 345538119324001 010N025W22N001S 1955-10-19 1955-10-19 1
USGS 345538119332201 010N025W21Q002S 2008-07-08 2011-08-11 7
USGS 345538119332701 010N025W21Q001S 1955-09-28 1955-09-28 1
USGS 345603119324301 010N025W22E001S 1953-08-06 1986-07-14 37
USGS 345604119320201 010N025W22H001S 1945-08-04 1972-03-13 13
USGS 345604119323401 010N025W22E002S 1987-07-08 1999-07-20 7
USGS 345604119331601 010N025W21G001S 1953-08-06 1977-10-18 27
USGS 345604119340001 010N025W20H001S 1953-08-06 1980-06-06 24
USGS 345604119340201 010N025W20H002S 2000-09-14 2007-07-31 7
USGS 345604119341101 010N025W20H003S 2000-09-14 2003-08-06 3
USGS 345612119313001 010N025W23E001S 1953-08-06 1985-08-19 28
USGS 345615119285501 010N024W19B001S 2011-08-16 2011-08-16 1
USGS 345615119303201 010N025W24E001S 1950-03-08 1964-02-07 2
USGS 345615119344901 010N025W20E001S 1955-09-28 1955-09-28 1
USGS 345616119323201 010N025W22F001S 1967-10-23 1967-10-23 1
USGS 345624119353601 010N025W19C001S 1955-09-12 1955-09-12 1
USGS 345628119285201 010N024W19F001S 1945-12-17 1966-06-17 4
USGS 345630119320201 010N025W15Q002S 1955-09-12 1955-09-12 1
USGS 345630119323401 010N025W15N001S 1955-09-28 1966-07-13 3
USGS 345644119330501 010N025W16J001S 1955-10-01 1966-07-13 3
USGS 345644119341501 010N025W17K001S 1948-08-28 1955-12-30 3
USGS 345646119340001 010N025W17J002S 1966-05-05 1966-10-26 2
USGS 345648119340001 010N025W17J001S 1948-08-28 1955-10-19 5
USGS 345649119344401 010N025W17M001S 1948-08-27 1966-05-05 5
USGS 345657119360901 010N025W18M001S 1964-05-01 1966-05-05 2
USGS 345717119375601 010N026W14C004S 1949-11-01 1965-09-28 10
USGS 345720119381501 010N026W14D001S 1949-11-01 1965-09-28 10
USGS 345721119383401 010N026W15B001S 1966-10-26 2007-07-30 6
USGS 345730119343101 010N025W08P001S 1942-06-17 1942-06-17 1
USGS 345738119391701 010N026W10M001S 2000-09-14 2005-07-14 6
USGS 345800119393101 010N026W09H001S 1996-07-22 2006-07-18 6
USGS 345821119391801 010N026W04R003S 1962-05-16 1970-09-15 7
USGS 345822119391801 010N026W04R001S 1958-06-24 1977-10-18 26
USGS 345842119445001 010N027W03H001S 1953-05-28 1966-09-23 3
USGS 345850119394601 010N026W04G001S 1966-09-23 1966-09-23 1
USGS 345924119462801 011N027W32R001S 1953-05-28 1966-04-06 2
USGS 350027119481901 011N027W30N001S 1966-04-06 1966-04-06 1
USGS 350054119500401 011N028W26B001S 1966-03-11 1966-03-11 1
USGS 350118120181301 ALAMO C AB TWITCHEL DAM NR OLD GAGE STATION CA 1975-02-12 1975-02-12 1
USGS 350119120191701 HUASNA RIV AB TWITCHEL DAM AND CUYAMA R CA 1975-02-12 1975-02-12 1
USGS 350135120134601 CUYAMA R AB ALAMO AND HUASNA C A GAGE CA 1975-02-12 1975-02-12 1
USGS 350147119505101 011N028W22A001S 1966-04-05 1966-04-05 1
USGS 350236119521901 011N028W16F001S 1966-04-05 1966-04-05 1
  group icon Santa Barbara County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 11136600 SANTA BARBARA CYN C NR VENTUCOPA CA 2011-08-17 2011-08-17 1
USGS 11137000 CUYAMA R NR SANTA MARIA CA 1956-01-26 1959-03-31 12
USGS 11138100 CUYAMA R BL TWITCHELL DAM CA 1967-05-30 2000-04-24 47
USGS 344359119341301 SANTA BARBARA CYN AB CHOKECHERRY CYN CA 1980-04-24 1980-04-24 1
USGS 344359119341601 CHOKECHERRY CYN A MOUTH CA 1980-04-24 1980-04-24 1
USGS 344437119334601 UNKNOWN C AB SANTA BARBARA CYN CA 1980-04-24 1980-04-24 1
USGS 344629119354601 ALAMO CYN AB BIG PINE SPRING CA 1980-04-23 1980-04-23 1
USGS 344630119354901 BIG PINE SPRINGS AB ALAMO CYN CA 1980-04-23 1980-04-23 1
USGS 344632119341901 SANTA BARBARA CYN AB ALAMO CYN CA 1980-04-23 1980-04-23 1
USGS 344632119342001 ALAMO CYN A MOUTH CA 1980-04-23 1980-04-23 1
USGS 344825119271001 008N024W07A001S 1966-07-14 1966-07-14 1
USGS 344826119265301 008N024W05P001S 1942-08-12 1942-08-12 1
USGS 344831119272201 008N024W06R001S 1942-08-12 1965-03-02 2
USGS 344857119334701 009N025W33MS01S 2011-08-17 2011-08-17 1
USGS 344859119280801 009N024W32N002S 2011-08-18 2011-08-18 1
USGS 344900119332201 009N025W33Q001S 1966-07-01 2011-08-17 2
USGS 344903119273601 009N024W32Q001S 1947-01-01 1947-01-01 1
USGS 344904119273101 009N024W32Q002S 1965-03-28 1965-03-28 1
USGS 344906119332801 SANTA BARBARA CYN A CANYON RANCH CA 1980-04-23 1980-04-23 1
USGS 344910119270501 009N024W33M001S 1964-02-07 2011-07-12 46
USGS 344936119275301 009N024W32C002S 2012-07-18 2012-07-18 1
USGS 344944119275701 009N024W32C001S 1942-08-12 1942-08-12 1
USGS 344948119281401 009N024W30R001S 1966-06-30 1966-06-30 1
USGS 345003119283501 009N024W30K001S 2011-08-16 2011-08-16 1
USGS 345010119282301 009N024W30H001S 1942-08-12 1942-08-12 1
USGS 345023119322601 009N025W27C001S 1942-07-14 1942-07-14 1
USGS 345028119283201 009N024W30B001S 1942-08-12 1942-08-12 1
USGS 345100119290001 009N024W19F002S 2008-09-16 2008-09-16 3
USGS 345100119290002 009N024W19D001S 2008-09-25 2008-09-25 3
USGS 345108119285801 009N024W19F001S 1947-03-27 1982-12-15 34
USGS 345150119310201 009N025W14G001S 1942-07-14 1942-07-14 1
USGS 345150119310202 009N025W14H001S 1966-07-01 1966-07-01 1
USGS 345154119292001 009N024W18M001S 1966-06-06 1966-06-06 1
USGS 345206119294701 009N025W13B001S 1966-04-26 1966-04-26 1
USGS 345207119310401 SANTA BARBARA CYN A FOOTHILL RD CA 1980-04-24 1980-04-24 1
USGS 345209119304901 009N025W11R002S 1965-04-27 1965-09-28 2
USGS 345209119305001 009N025W11R001S 1942-06-16 1968-04-25 5
USGS 345216119341401 009N025W08R001S 1966-05-06 1966-05-06 1
USGS 345223119393601 009N026W09R001S 1967-11-03 1967-11-03 1
USGS 345300119310001 009N025W02B001S 2008-09-17 2018-07-31 7
USGS 345302119380701 009N026W02P002S 2011-08-16 2011-08-16 1
USGS 345303119283501 009N024W07B001S 1942-09-10 1967-05-12 3
USGS 345303119380401 009N026W02P001S 1958-04-22 1967-10-21 2
USGS 345307119314001 009N025W02P001S 1942-07-14 1942-07-14 1
USGS 345313119434701 009N027W02R002S 1959-04-26 1966-08-18 16
USGS 345313119434801 009N027W02R001S 1959-03-17 1959-03-18 2
USGS 345318119300201 009N025W01L001S 1947-04-23 1947-04-23 1
USGS 345318119392901 009N026W04J001S 1942-07-14 1942-07-14 1
USGS 345325119353201 009N025W06K001S 1942-07-14 1966-05-05 2
USGS 345325119365603 009N026W01F003S 2011-08-19 2011-08-19 1
USGS 345328119421601 009N026W06L001S 1942-08-12 1942-08-12 1
USGS 345338119324801 009N025W03F001S 2011-08-11 2011-08-11 1
USGS 345346119415401 009N026W06B001S 1942-08-12 1942-08-12 1
USGS 345348119325601 009N025W03D001S 1942-07-14 1942-07-14 1
USGS 345348119415301 009N026W06B002S 1961-03-27 1967-10-22 29
USGS 345350119355001 009N025W06C001S 1967-10-20 1967-10-20 1
USGS 345351119323101 009N025W03B001S 2009-11-05 2009-11-05 1
USGS 345351119323102 009N025W03B002S 2009-11-05 2009-11-05 1
USGS 345351119323103 009N025W03B003S 2009-11-05 2009-11-05 1
USGS 345351119323104 009N025W03B004S 2009-11-04 2009-11-04 1
USGS 345353119330401 010N025W33R001S 1954-05-20 1954-05-20 1
USGS 345359119350201 010N025W32N003S 2011-08-19 2011-08-19 1
USGS 345359119392701 010N026W34N001S 2009-11-03 2009-11-03 1
USGS 345359119392702 010N026W34N002S 2009-11-04 2009-11-04 1
USGS 345359119392703 010N026W34N003S 2009-11-04 2009-11-04 1
USGS 345359119392704 010N026W34N004S 2009-11-04 2009-11-04 1
USGS 345405119325101 010N025W34N001S 2008-07-29 2010-07-29 6
USGS 345406119414601 010N026W31R001S 1955-01-29 1956-01-17 5
USGS 345407120180201 010N033W36G001S 1975-03-14 1975-03-14 1
USGS 345422119351001 010N025W31H001S 1942-07-14 1947-03-20 2
USGS 345423120175001 010N033W36A001S 1977-10-19 1977-10-19 1
USGS 345427119342401 010N025W32G001S 1966-09-23 1966-09-23 1
USGS 345432119340601 010N025W32H001S 1942-06-14 1968-04-25 18
USGS 345433119335001 010N025W33D001S 1942-07-14 1954-05-20 4
USGS 345440119343801 010N025W32C002S 1942-08-11 1942-08-11 1
USGS 345443119344001 010N025W32C001S 1942-07-14 1959-07-28 5
USGS 345445119351001 010N025W31A001S 1942-07-14 1942-07-14 1
USGS 345447119351201 010N025W30R001S 1940-06-07 1954-05-20 5
USGS 345453119454201 010N027W27N001S 1953-11-30 1953-12-07 2
USGS 345455119391501 010N026W27N001S 1966-06-17 1977-10-18 11
USGS 345502119343101 010N025W29K001S 1942-07-14 1942-07-14 1
USGS 345512119354101 010N025W30F001S 1942-09-10 1959-07-28 8
USGS 345513119354401 010N025W30F002S 1960-10-11 1975-12-03 20
USGS 345536119433801 010N027W23R001S 1949-05-20 1966-08-18 19
USGS 345537119360201 010N025W30D001S 1956-07-14 1956-07-14 1
USGS 345538119361301 010N026W24R001S 1953-08-06 1966-07-14 5
USGS 345538119374601 010N026W23Q002S 1968-04-25 1968-04-25 1
USGS 345539119354101 010N025W19P001S 1947-03-20 1947-03-20 1
USGS 345539119392601 010N026W21R001S 1954-04-20 1955-08-09 2
USGS 345539119393901 010N026W21Q002S 1958-05-26 2011-08-15 8
USGS 345539119394001 010N026W21Q001S 1953-08-06 1983-08-30 4
USGS 345540119375001 010N026W23P001S 1953-08-06 1967-05-12 15
USGS 345540119384201 010N026W22Q002S 2006-07-18 2007-07-31 2
USGS 345540119390601 010N026W22N001S 1954-05-20 1954-05-20 1
USGS 345540119410901 010N026W20P001S 2010-08-03 2011-07-12 2
USGS 345552119354201 010N025W19P002S 2009-04-08 2009-04-08 1
USGS 345552119354202 010N025W19P003S 2009-04-07 2009-04-07 1
USGS 345552119354203 010N025W19P004S 2009-04-07 2009-04-07 1
USGS 345552119354204 010N025W19P005S 2009-04-08 2009-04-08 1
USGS 345552119362401 010N026W24J003S 1950-09-15 1950-09-15 1
USGS 345552119362901 010N026W24K001S 2011-08-15 2011-08-15 1
USGS 345600119381901 010N026W22J001S 1953-08-06 1955-08-09 3
USGS 345600119383001 010N026W22J002S 1953-08-06 1953-08-06 1
USGS 345600119400001 010N026W17R002S 2008-09-17 2017-07-13 11
USGS 345601119385201 010N026W22K001S 1953-08-06 1955-08-09 3
USGS 345602119362401 010N026W24J004S 1960-09-22 2008-09-17 10
USGS 345603119411901 010N026W20M001S 2008-09-15 2019-07-25 16
USGS 345610119390801 010N026W22E001S 1942-11-04 1959-07-28 7
USGS 345617119394001 010N026W21G001S 1984-09-07 1999-07-20 5
USGS 345618119391001 010N026W22D002S 2012-07-18 2019-07-25 8
USGS 345618119393701 010N026W21A001S 1985-08-19 1996-07-22 10
USGS 345622119383001 010N026W22A001S 1964-02-07 1964-02-07 1
USGS 345626119454701 010N027W22D001S 1955-09-26 1966-04-15 3
USGS 345628119390701 010N026W22D001S 1942-11-04 1942-11-04 1
USGS 345629119410501 010N026W20C001S 1952-10-16 1958-03-10 6
USGS 345631119391501 010N026W15N001S 1953-05-13 1953-05-13 1
USGS 345631119401701 010N026W16N001S 1954-02-14 1958-03-26 5
USGS 345631119404201 010N026W20A001S 1953-01-30 1958-03-10 7
USGS 345633119393701 010N026W16R001S 2000-09-14 2003-07-18 4
USGS 345633119411601 010N026W17N001S 1949-10-27 1953-02-06 3
USGS 345641119493801 010N028W13P001S 1966-04-14 1966-04-14 1
USGS 345709119415501 010N026W18F001S 1947-03-20 1954-05-20 2
USGS 345712119494501 010N028W13D001S 1966-04-14 1966-04-14 1
USGS 345727119392101 010N026W09R003S 1959-04-24 1994-08-01 27
USGS 345727119392301 010N026W09R002S 1954-05-20 1967-05-24 7
USGS 345729119392001 010N026W09R001S 1954-05-20 1984-09-07 9
USGS 345732119423101 010N027W12R001S 1966-12-21 1966-12-21 1
USGS 345743119393101 010N026W09J001S 1953-05-13 1953-05-13 1
USGS 345745119464501 010N027W09M001S 1959-05-05 1959-05-05 1
USGS 345748119470201 010N027W08H001S 1959-06-23 1959-06-23 1
USGS 345750119423301 010N027W12J002S 1940-07-09 1959-07-28 7
USGS 345751119423101 010N027W12J001S 1940-06-07 1947-03-20 2
USGS 345753119421701 010N026W07L002S 2011-08-15 2017-07-13 7
USGS 345755119424601 010N027W12G001S 1966-06-17 1966-06-17 1
USGS 345758119433501 010N027W11H001S 1966-06-17 1966-06-17 1
USGS 345802119513301 010N028W10G002S 1966-04-15 1966-04-15 1
USGS 345803119431801 010N027W12E001S 1940-06-07 1955-08-09 4
USGS 345807119433501 010N027W11A003S 1953-08-05 1953-08-05 1
USGS 345808119433501 010N027W11A001S 1966-06-17 1966-06-17 1
USGS 345811119435901 010N027W11C001S 1942-06-17 1970-09-15 21
USGS 345820119431601 010N027W01P001S 1967-10-27 1967-10-27 1
USGS 345829119534501 010N028W05P001S 1966-04-06 1966-04-06 1
USGS 345834119531301 010N028W04M002S 2018-07-18 2019-07-29 2
USGS 345836119473501 010N027W05L001S 1948-01-01 2019-07-26 12
USGS 345838119452001 010N027W03L002S 2008-09-15 2008-09-15 3
USGS 345845119510201 010N028W02E001S 1966-04-14 1966-04-14 1
USGS 345905119481801 010N027W06B001S 1948-01-01 1961-06-01 11
USGS 345906119464501 010N027W04D001S 1950-09-14 1950-09-14 1
USGS 345941119485502 011N028W36G002S 1958-08-13 1958-08-13 1
USGS 350004119485901 011N028W36B001S 1958-12-16 1958-12-16 1
USGS 350016119504701 011N028W27R001S 1966-03-11 1966-03-11 1
USGS 350032119503501 011N028W26N001S 2018-07-17 2019-07-24 3
USGS 350033119502201 011N028W26M001S 2018-07-17 2019-07-24 3
USGS 350308119580001 011N029W10E002S 2018-07-20 2019-07-24 2
  group icon Ventura County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 11136500 CUYAMA R NR VENTUCOPA CA 2011-08-19 2011-08-19 1
USGS 344118119205801 007N023W19H001S 1952-04-27 1977-10-18 17
USGS 344127119170601 007N023W23G001S 1966-06-28 1966-06-28 1
USGS 344135119211001 007N023W19B001S 1966-10-24 1975-12-03 9
USGS 344137119221201 007N024W24A001S 1965-03-02 1965-03-02 1
USGS 344143119174801 007N023W15R001S 1967-10-30 1974-05-29 8
USGS 344143119191701 REYES C A LOCKWOOD VALLEY ROAD NR VENTUCOPA CA 2008-04-23 2008-04-23 1
USGS 344143119193001 007N023W21C003S 2008-09-25 2008-09-25 3
USGS 344147119191601 CUYAMA R A LOCKWOOD VALLEY ROAD NR VENTUCOPA CA 2008-04-09 2008-04-09 1
USGS 344159119191901 007N023W16L001S 1967-10-30 1976-09-21 5
USGS 344223119223801 007N024W13C001S 1942-08-12 1942-08-12 1
USGS 344224119223901 007N024W13C002S 1957-09-27 1967-10-30 14
USGS 344231119224101 007N024W13C003S 1965-03-25 1966-10-26 2
USGS 344347119223201 007N024W01L001S 1967-11-02 1967-11-02 1
USGS 344513119253701 008N024W28L001S 1965-03-02 1965-03-02 1
USGS 344615119254801 008N024W21F001S 1967-10-30 1977-10-18 12
USGS 344642119261401 008N024W17R001S 1942-08-12 1942-08-12 1
USGS 344725119250901 008N024W16A001S 1967-11-02 1967-11-02 1
USGS 344729119233501 008N024W14C001S 2011-08-18 2011-08-18 1
USGS 344740119224801 008N024W12NS01S 2011-08-18 2011-08-18 1
USGS 344916119262001 009N024W33J001S 1966-06-16 1966-06-16 1
USGS 344955119213801 009N023W29P001S 1966-06-16 1966-06-16 1
USGS 345017119214901 009N023W29E001S 1966-06-16 1966-06-16 1