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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 -- 585 sites found


Hydrologic unit = 18050004
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 Alameda County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 11172300 AGUA FRIA A WARM SPRINGS RD A FREMONT CA 2000-01-25 2002-04-30 13
USGS 11172360 TOROGAS C A WARM SPRINGS RD A FREMONT CA 2000-01-25 2002-04-30 33
USGS 11172365 ZONE 6 LINE B A WARM SPRINGS CA 1999-10-08 2002-04-11 98
USGS 11172945 ALAMEDA C AB DIV DAM NR SUNOL CA 2015-02-25 2017-08-17 7
USGS 11172955 ALAMEDA C BL DIV DAM NR SUNOL CA 2016-04-05 2017-08-17 5
USGS 11173500 CALAVERAS C NR SUNOL CA 2015-02-26 2017-09-21 6
USGS 11173510 ALAMEDA C BL CALAVERAS C NR SUNOL CA 2015-02-25 2017-08-17 8
USGS 11173575 ALAMEDA C BL WELCH C NR SUNOL CA 1999-11-17 2017-08-18 357
USGS 11174000 SAN ANTONIO C NR SUNOL CA 2000-01-06 2017-05-24 17
USGS 11174060 ALAMEDA C A HWY 680 NR SUNOL CA 1999-12-29 2002-04-24 58
USGS 11174200 ALAMEDA C A SUNOL CA 1975-04-09 1979-04-11 39
USGS 11174600 ALAMO CN NR PLEASANTON CA 1974-10-01 2022-05-05 658
USGS 11174610 DSRSD (VCSD) WASTEWAY NR PLEASANTON CA 1974-10-01 1979-06-26 414
USGS 11176000 ARROYO MOCHO NR LIVERMORE CA 1979-12-27 1983-08-11 25
USGS 11176090 ARROYO MOCHO A LIVERMORE CA 2016-12-02 2021-12-28 208
USGS 11176140 ALTAMONT C NR LIVERMORE CA 1980-01-02 1980-03-13 5
USGS 11176145 ARROYO LAS POSITAS A LIVERMORE CA 1981-03-13 2022-05-05 229
USGS 11176150 ARROYO LAS POSITAS NR LIVERMORE CA 1974-10-31 1979-05-16 51
USGS 11176180 ARROYO LAS POSITAS A ELCH RD NR PLEASANTON CA 1979-12-31 1983-06-13 18
USGS 11176200 ARROYO MOCHO NR PLEASANTON CA 1970-11-28 2022-05-05 312
USGS 11176300 TASSAJARA C NR PLEASANTON CA 1980-01-11 1983-06-08 16
USGS 11176325 ARROYO MOCHO A HOPYARD RD A PLEASANTON CA 2000-01-25 2002-05-07 51
USGS 11176350 ARROYO DE LA LAGUNA AB AV NR PLEASANTON CA 1974-10-04 1979-06-27 241
USGS 11176400 ARROYO VALLE BL LANG CYN NR LIVERMORE CA 1973-11-06 1979-02-21 33
USGS 11176500 ARROYO VALLE NR LIVERMORE CA 1960-11-12 2017-08-18 92
USGS 11176600 ARROYO VALLE A PLEASANTON CA 1975-01-24 2002-05-10 134
USGS 11176710 ARROYO DE LA LAGUNA A BERNAL AVE A PLEASANTON CA 2000-03-16 2002-05-07 46
USGS 11176900 ARROYO DE LA LAGUNA A VERONA CA 1960-11-15 2022-04-27 1516
USGS 11177000 ARROYO DE LA LAGUNA NR PLEASANTON CA 1979-07-24 2003-04-29 143
USGS 11177200 VALLECITOS C A SUNOL CA 1974-10-15 2015-09-02 246
USGS 11177300 SINBAD C A SUNOL CA 1975-03-11 1979-04-25 50
USGS 11178400 STONYBROOK C NR NILES CA 1975-03-11 1979-06-20 66
USGS 11179000 ALAMEDA C NR NILES CA 1952-02-18 2022-04-30 3747
USGS 11179010 SAN FRANCISCO RELEASE A NILES RE AT NILES CA 1974-10-15 1979-06-20 181
USGS 11179040 KAISER PIT A NILES CA 1974-10-15 1979-06-27 241
USGS 11179050 SHINN PIT A NILES CA 1974-10-15 1979-06-27 241
USGS 11179100 ALAMEDA C NR FREMONT CA 2017-04-04 2017-05-15 22
USGS 11179400 THE LAKE AT NEWARK CA 1970-08-13 1970-08-13 1
USGS 11180770 MT EDEN C NR UNION CITY CA 2020-08-30 2021-04-01 34
USGS 11180790 COYOTE HILLS SLOUGH NR UNION CITY CA 2009-12-23 2010-09-21 5
USGS 11180825 SAN LORENZO C AB DON CASTRO RES NR CASTRO V CA 1980-10-14 2003-05-03 559
USGS 11180900 CROW C NR HAYWARD CA 1999-10-07 2017-05-14 146
USGS 11180940 CULL C TRIB 4 AB CULL C RES NR CASTRO VALLEY CA 1981-12-29 1992-02-13 148
USGS 11180960 CULL C AB CULL C RES NR CASTRO VALLEY CA 1979-01-14 2003-05-30 483
USGS 11180965 CULL C BL CULL C DAM NR CASTRO VALLEY CA 1979-01-08 1979-03-27 4
USGS 11181000 SAN LORENZO C A HAYWARD CA 1971-12-22 2017-05-14 20
USGS 11181004 CASTRO VALLEY C A CASTRO VALLEY CA 1979-01-08 1980-04-07 41
USGS 11181006 CASTRO VALLEY C A KNOX ST AT CASTRO VAL CA 1978-12-17 1980-04-23 71
USGS 11181008 CASTRO VALLEY C A HAYWARD CA 1971-10-14 2017-05-14 354
USGS 11181040 SAN LORENZO C A SAN LORENZO CA 1989-10-23 2022-04-26 846
USGS 11181300 PERALTA C A OAKLAND CA 1972-09-06 1973-03-19 31
USGS 372029121383501 PRECIP SAMPLER A LICK OBSERVATORY A MT HAMILTON CA 2002-11-08 2002-11-08 1
USGS 372753122025501 SAN FRANCISCO BAY ST AC1 NR COYOTE C CA 1989-09-06 1991-05-21 4
USGS 372818122034801 SAN FRANCISCO BAY AT CALAVERAS POINT CA 1977-11-09 1978-11-08 18
USGS 372818122040001 SAN FRANCISCO BAY WATER QUALITY PROJECT SITE 36 2022-07-20 2023-09-20 5
USGS 372844122043800 SOUTH SF BAY A CHANNEL MARKER 17 NR PALO ALTO CA 1998-10-07 2024-02-08 109
USGS 372854122044201 SAN FRANCISCO BAY A PALO ALTO CA 1977-11-09 1978-11-08 6
USGS 372930122043401 SAN FRANCISCO BAY ST AC2 NR MOWERY C CA 1989-09-06 2024-02-08 12
USGS 372936122051801 SAN FRANCISCO BAY A DUMBARTON PT CA 1977-11-09 1978-12-21 166
USGS 372942122055401 SAN FRANCISCO BAY WATER QUALITY PROJECT SITE 34 2022-06-15 2023-08-02 4
USGS 372949121453901 ALAMEDA C AB DIV DAM FOR AQUEDUCT TO CALAVERAS RES 2003-04-15 2003-04-15 1
USGS 372951122052501 SAN FRANCISCO BAY ST AC3 NR DUNBARTON PT CA 1989-09-06 1991-05-21 4
USGS 372952122063401 S SAN FRANCISCO BAY A RR BR NR EAST PALO ALTO CA 2012-04-19 2013-01-08 8
USGS 372956122045501 SAN FRANCISCO BAY A DUMBARTON PT NR NEWARK CA 2017-06-06 2017-06-06 4
USGS 373100121590001 005S001W05H003M 2007-05-15 2007-05-15 3
USGS 373100121590002 005S001W05H004M 2007-05-15 2007-05-15 3
USGS 373100121590003 005S001W05H005M 2007-05-14 2007-05-14 3
USGS 373100121590004 005S001W05H006M 2007-05-14 2007-05-14 3
USGS 373200122010001 004S001W31N001M 2007-06-12 2022-04-04 5
USGS 373203122080901 SAN FRANCISCO BAY SITE 8 NR NEWARK CA 2021-05-05 2023-10-17 21
USGS 373256122081701 SAN FRANCISCO BAY ST AC4 NR COYOTE HILLS SL CA 1989-09-06 1991-05-21 4
USGS 373300121580001 004S001W28C019M 2007-06-04 2007-06-04 3
USGS 373300121580002 004S001W28C021M 2007-06-04 2007-06-04 3
USGS 373303121575001 004S001W27P001M 2007-06-05 2007-06-05 3
USGS 373322122083501 SAN FRANCISCO BAY ST AC5 NR COYOTE HILLS SL CA 1989-09-06 1991-05-21 4
USGS 373338122075201 SAN FRANCISCO BAY A COYOTE HILLS SL NR UNION CITY 2017-07-17 2017-07-17 4
USGS 373343121584401 004S001W28C014M 2007-06-04 2007-06-04 3
USGS 373343122090401 SAN FRANCISCO BAY ST AC6 NR COYOTE HILLS SL CA 1989-09-06 2021-06-23 5
USGS 373349121585701 004S001W28D009M 1974-10-15 1979-06-27 154
USGS 373355121583801 004S001W21P006M 1974-10-15 1978-08-02 133
USGS 373356121583701 004S001W21P008M 2007-06-05 2007-06-05 3
USGS 373357121591401 004S001W20R002M 1974-10-15 1979-06-27 232
USGS 373401122092201 SAN FRANCISCO BAY SITE 10 NR UNION CITY CA 2021-08-04 2024-02-08 28
USGS 373424121584501 004S001W21F001M 1974-10-15 1979-06-13 167
USGS 373425121582101 PRECIP SAMPLER ACWD ROOFTOP INFLATION BLDG A NILES 2002-11-08 2002-11-08 1
USGS 373447122021901 004S002W13P005M 2002-03-26 2002-10-28 2
USGS 373447122021902 004S002W13P006M 2002-03-26 2002-10-28 2
USGS 373447122021903 004S002W13P007M 2002-03-27 2002-03-27 1
USGS 373447122021904 004S002W13P004M 2002-03-27 2002-03-27 1
USGS 373457122002101 004S001W17M006M 2002-03-19 2002-03-19 1
USGS 373457122002102 004S001W17M007M 2002-03-19 2002-03-19 1
USGS 373457122002103 004S001W17M008M 2002-03-22 2002-10-28 2
USGS 373457122041001 004S002W15L005M 2002-10-29 2007-05-17 4
USGS 373457122041002 004S002W15L006M 2007-05-17 2007-05-17 3
USGS 373457122041003 004S002W15L007M 2007-05-16 2007-05-16 3
USGS 373521122033101 004S002W14D003M 2002-11-06 2003-04-16 2
USGS 373521122033102 004S002W14D004M 2002-11-06 2003-04-16 2
USGS 373521122033103 004S002W14D005M 2002-11-06 2002-11-06 1
USGS 373521122033104 004S002W14D006M 2002-11-06 2002-11-06 1
USGS 373521122033105 004S002W14D007M 2002-11-06 2002-11-06 1
USGS 373540122094301 SAN FRANCISCO BAY ST AC7 NR ALAMEDA C CA 1989-09-06 2024-02-08 31
USGS 373545122015001 004S002W12K008M 2002-11-05 2002-11-05 1
USGS 373545122015002 004S002W12K009M 2002-11-05 2002-11-05 1
USGS 373545122015003 004S002W12K010M 2002-11-05 2002-11-05 1
USGS 373545122015004 004S002W12K011M 2002-11-05 2002-11-05 1
USGS 373601122042901 004S002W10E004M 2002-11-04 2002-11-04 1
USGS 373620122015901 004S002W12C001M 2002-03-20 2002-03-20 1
USGS 373630122010501 DRY C NR UNION CITY CA 2003-04-17 2003-04-17 1
USGS 373636122092901 SAN FRANCISCO BAY A MOUNT EDEN C NR MOUNT EDEN CA 2017-07-19 2017-07-19 4
USGS 373638122045901 004S002W04R001M 2002-10-29 2002-10-29 1
USGS 373642122120401 SAN FRANCISCO BAY 0.57 MI N OF SAN MATEO BRIDGE CA 2020-10-06 2024-02-08 71
USGS 373646122042701 004S002W03L001M 2002-03-27 2002-10-30 2
USGS 373648122023601 004S002W02H001M 2002-03-20 2002-03-20 1
USGS 373700122050001 004S002W05A001M 2007-06-21 2022-04-20 5
USGS 373700122052301 004S002W04F006M 1998-12-09 2002-10-31 2
USGS 373702122052201 004S002W04F003M 2002-03-21 2002-10-31 2
USGS 373708122055101 004S002W04E001M 2002-10-30 2002-10-30 1
USGS 373734121525901 003S001E32K002M 1961-04-03 1977-05-06 48
USGS 373737121525501 003S001E32K004M 1976-01-13 1977-03-02 14
USGS 373739122093101 SAN FRANCISCO BAY AB HWY 92 NR RUSSELL CITY CA 2022-03-25 2023-10-17 19
USGS 373744121453001 003S002E33K001M 1975-12-12 1983-09-14 46
USGS 373745121454201 003S002E33L001M 1977-08-31 1983-09-14 33
USGS 373747121452501 003S002E33G001M 1975-12-12 1983-09-15 35
USGS 373748121453301 003S002E33G002M 1977-08-24 1983-09-14 34
USGS 373754121452801 003S002E33G003M 1977-08-31 1983-09-14 30
USGS 373754122123901 SAN FRANCISCO BAY ST AC12 NR JOHNSON LNDG CA 1989-09-05 1991-05-21 4
USGS 373756121530601 003S001E32G002M 1976-02-04 1983-09-15 49
USGS 373817121531301 003S001E29P002M 1975-12-09 1983-09-19 50
USGS 373818121424001 003S002E25M003M 1976-03-23 1977-06-10 6
USGS 373832122064801 003S002W29L006M 2002-10-30 2007-06-19 4
USGS 373833122115901 SAN FRANCISCO BAY 2.67 MI N OF SAN MATEO BRIDGE CA 2022-09-14 2022-09-14 1
USGS 373834121534301 003S001E29M004M 1975-12-04 1983-09-20 50
USGS 373834122095801 SAN FRANCISCO BAY ST AC8 NR HAYWARD LNDG CA 1989-09-05 1991-05-22 4
USGS 373837121425701 003S002E26J002M 1977-12-27 1983-05-25 22
USGS 373837121562401 PRECIP SITE A USGS SEISMOGRAPH SITE A SUNOL RIDGE 2000-05-30 2000-05-30 1
USGS 373840121532901 003S001E29E003M 1960-04-22 2008-08-25 75
USGS 373841121535801 003S001E30G003M 1976-10-06 1983-08-04 26
USGS 373842121465301 003S002E29F004M 1976-10-28 1983-06-08 26
USGS 373843121471801 003S002E30H001M 1976-03-23 1980-03-19 17
USGS 373843121535201 003S001E30A009M 1975-12-05 1983-09-20 51
USGS 373845121483301 003S001E25H001M 1977-08-04 1979-11-26 8
USGS 373846121461201 003S002E29H001M 1976-03-24 1977-06-10 6
USGS 373847122095001 SAN FRANCISCO BAY SITE 7 NR HAYWARD CA 2021-05-05 2023-10-17 18
USGS 373856121475701 003S002E30D002M 1979-09-20 1983-01-11 17
USGS 373856121532801 003S001E29D002M 1975-12-04 1983-09-21 50
USGS 373859121534701 003S001E30A011M 1975-12-04 1977-05-11 15
USGS 373859121534801 003S001E30A008M 1975-12-04 1983-09-19 51
USGS 373901121524701 003S001E29A001M 1976-01-13 1977-05-24 15
USGS 373902122130501 SAN FRANCISCO BAY ST AC13 NR ROBERTS LNDG CA 1989-09-05 1991-05-21 4
USGS 373904121525601 003S001E20Q002M 1976-01-15 1977-05-25 15
USGS 373904122070301 003S002W19R004M 1998-11-16 1998-11-16 1
USGS 373904122101301 SAN FRANCISCO BAY SITE B3 NR HAYWARD LANDING, CA 1992-01-22 1992-06-04 5
USGS 373906121525601 003S001E20Q001M 1977-07-22 1983-09-13 35
USGS 373907121465901 003S002E20N001M 1977-08-03 1983-06-08 23
USGS 373909122105101 SAN FRANCISCO BAY ST AC24 NR ROBERTS LNDG CA 1990-06-19 1991-06-28 3
USGS 373912122065001 003S002W20L020M 2002-03-21 2002-10-29 2
USGS 373919121444501 003S002E22M001M 1976-03-19 1977-06-09 7
USGS 373919121525101 003S001E20J001M 1976-02-19 1983-09-13 49
USGS 373919121532701 003S001E20M011M 1978-01-12 1983-09-21 33
USGS 373921121540701 003S001E19K001M 1975-12-08 1983-09-21 44
USGS 373924121484901 003S001E24K001M 1978-01-10 1983-07-21 22
USGS 373926121454001 003S002E21L013M 1977-08-08 1983-07-21 23
USGS 373927121460001 003S002E21E003M 1978-01-20 1983-07-20 22
USGS 373928121524901 003S001E20J004M 1975-12-05 1983-09-21 51
USGS 373930122054701 003S002W21E013M 1998-12-09 2007-06-21 5
USGS 373931121531901 003S001E20F005M 1975-12-09 1983-09-23 33
USGS 373931121534401 003S001E20E007M 1975-12-08 1977-05-12 15
USGS 373938122095801 SAN FRANCISCO BAY ST AC25 NR ROBERTS LNDG CA 1990-06-19 1992-06-04 10
USGS 373939122111101 SAN FRANCISCO BAY SITE C6 NR HAYWARD LANDING, CA 1991-12-17 1992-06-04 5
USGS 373941121475701 003S002E19F004M 1976-02-11 1983-06-10 28
USGS 373942121534501 003S001E19A005M 1978-03-09 1979-02-14 5
USGS 373943121414501 003S002E24A001M 1976-11-01 1983-05-25 27
USGS 373943121541901 003S001E19C004M 1979-09-13 1983-07-21 15
USGS 373943122104101 SAN FRANCISCO BAY ST AC9 NR ROBERTS LNDG CA 1989-09-05 1991-05-22 4
USGS 373945121541801 003S001E19C002M 1975-12-09 1979-05-31 22
USGS 373945122103401 SAN FRANCISCO BAY A ROBERTS LANDING NR SAN LORENZO 2017-07-18 2017-07-18 4
USGS 373946121525601 003S001E20B002M 1975-11-17 1980-02-27 18
USGS 373948122054601 003S002W21D003M 1999-03-31 1999-03-31 1
USGS 373949121481301 003S002E19D004M 1980-12-05 1983-06-10 10
USGS 373950121475301 003S002E19C001M 1976-02-11 1983-06-08 28
USGS 373952121404301 003S003E19A001M 1976-03-24 1977-06-09 6
USGS 373953121511601 003S001E22D002M 1976-10-28 1983-08-03 25
USGS 373954121442501 003S002E22B001M 1976-11-01 1983-05-25 27
USGS 373955121521801 003S001E16P005M 1976-10-08 1983-07-25 23
USGS 373955122083401 003S003W15M019M 1998-12-01 1999-08-25 2
USGS 373956121485501 003S001E13P002M 1977-08-05 1981-12-29 16
USGS 373956121485601 003S001E13P001M 1982-06-08 1983-08-11 4
USGS 373957121481401 003S002E19D006M 1980-09-11 1983-06-10 11
USGS 373957121530601 003S001E17Q004M 1978-01-11 1983-08-05 22
USGS 373957121543701 003S001E18N001M 1976-01-29 1976-10-21 4
USGS 374000121440001 003S002E15H001M 2008-10-28 2008-10-28 3
USGS 374000121490001 003S001E14H001M 2008-08-28 2008-08-28 3
USGS 374000121510001 003S001E16A002M 2008-08-25 2008-08-25 3
USGS 374000121520001 003S001E16L005M 2008-08-25 2018-07-23 7
USGS 374000121530001 003S001E17D012M 2008-08-26 2008-08-26 3
USGS 374000121530002 003S001E07R008M 2008-10-30 2008-10-30 2
USGS 374000122112701 SAN FRANCISCO BAY ST AC23 NR ROBERTS LNDG CA 1990-06-19 1991-06-28 3
USGS 374001122092701 003S003W14K009M 1997-11-13 1998-12-07 2
USGS 374002122074001 003S002W18L001M 1999-03-31 1999-03-31 1
USGS 374002122101301 SAN FRANCISCO BAY ST AC26 NR ROBERTS LNDG CA 1990-06-19 1992-06-04 7
USGS 374003121491301 003S001E13N001M 1980-08-27 1982-10-20 9
USGS 374004122092100 003S003W14K014M 2006-08-23 2006-09-07 20
USGS 374004122092101 003S003W14K017M 2007-06-21 2007-06-21 3
USGS 374004122092102 003S003W14K018M 2007-06-19 2007-06-19 3
USGS 374004122092103 003S003W14K019M 2007-06-18 2007-06-18 3
USGS 374004122092104 003S003W14K020M 2007-06-18 2007-06-18 3
USGS 374004122092105 003S003W14K021M 2007-06-20 2007-06-20 3
USGS 374004122092106 003S003W14K022M 2007-06-20 2007-06-20 3
USGS 374005122092202 003S003W14K010M 1998-12-07 1998-12-07 1
USGS 374005122092203 003S003W14K011M 1998-12-07 1998-12-07 1
USGS 374005122092501 003S003W14K007M 1998-12-07 1998-12-07 1
USGS 374006121481601 003S001E12J001M 1982-06-28 1983-10-06 4
USGS 374008122072001 003S002W18K003M 1998-10-23 2007-06-21 5
USGS 374008122104801 SAN FRANCISCO BAY ST AC10 NR ROBERTS LNDG CA 1989-09-05 1991-05-22 4
USGS 374011121535401 003S001E18J001M 1980-11-26 1981-04-01 2
USGS 374011122093001 003S003W14K012M 2000-01-21 2000-01-21 2
USGS 374012121494301 003S001E14K002M 1980-12-09 1983-06-10 10
USGS 374012121540201 003S001E18J002M 1978-01-06 1983-09-12 21
USGS 374013121510201 003S001E15L003M 1976-01-14 1977-05-27 6
USGS 374013121544901 003S001W13J001M 1976-10-07 1983-08-04 28
USGS 374015121440101 003S002E15J002M 1976-03-18 1983-05-26 28
USGS 374016121450801 003S002E16J001M 1977-07-27 1983-08-10 22
USGS 374019121500401 SHADOW CLIFFS LK NR PLEASANTON CA 1979-11-08 1980-04-01 3
USGS 374021121442301 003S002E15K001M 1976-08-19 1977-06-10 4
USGS 374023121521601 003S001E16L007M 1978-03-09 1979-02-14 5
USGS 374024121523201 003S001E16E004M 1978-01-12 1983-08-03 22
USGS 374025122102701 SAN FRANCISCO BAY ST AC27 NR ROBERTS LNDG CA 1990-06-19 1992-06-04 8
USGS 374026121500101 003S001E14F001M 1977-07-26 1983-08-11 23
USGS 374027121462601 003S002E17G001M 1976-05-03 1977-08-15 16
USGS 374027121495201 003S001E14G001M 1979-12-13 1981-12-18 6
USGS 374027121510601 003S001E15F003M 1978-03-02 1983-06-10 19
USGS 374027122130401 SAN FRANCISCO BAY 5.21 MI N OF SAN MATEO BRIDGE CA 2020-11-04 2024-02-06 65
USGS 374028121514001 003S001E16H002M 1979-05-23 1983-08-12 15
USGS 374031121460101 003S002E16E004M 1978-01-03 1983-06-01 23
USGS 374032122105301 SAN FRANCISCO BAY ST AC11 NR ROBERTS LNDG CA 1989-09-05 1991-05-22 5
USGS 374033121490901 003S001E13E001M 1976-10-29 1983-08-05 28
USGS 374033121543301 003S001E18E003M 1976-09-30 1979-07-05 12
USGS 374034121453401 003S002E16B001M 1978-03-13 2001-06-20 6
USGS 374034121474001 003S002E18B001M 2001-05-03 2001-05-03 1
USGS 374034122090701 003S003W13D008M 2008-12-15 2008-12-15 1
USGS 374034122090702 003S003W13D009M 2008-12-15 2008-12-15 1
USGS 374035121430701 003S002E14B004M 1976-03-18 1983-05-31 29
USGS 374035121480301 003S002E18E001M 1977-04-22 1983-07-20 24
USGS 374036121522301 003S001E16D002M 1976-02-10 1976-12-17 4
USGS 374036121522302 003S001E16D007M 1976-02-10 1976-12-17 4
USGS 374037121454601 003S002E16C001M 1976-07-06 2001-05-02 3
USGS 374037121525601 003S001E17B004M 1977-10-21 1983-07-25 23
USGS 374037121534801 003S001E18A005M 1978-03-09 1979-02-14 5
USGS 374037121543201 003S001E18E004M 1979-09-21 1983-09-22 13
USGS 374037122111101 SAN FRANCISCO BAY SITE B7 NR HAYWARD LANDING, CA 1991-12-17 2022-08-31 7
USGS 374039121493401 003S001E14A002M 1980-12-05 1983-07-25 9
USGS 374039122080201 003S003W13A005M 1998-12-09 1998-12-09 1
USGS 374043121451001 003S002E16A003M 1978-06-16 1983-06-01 19
USGS 374044121430901 003S002E14A003M 1978-01-18 1983-05-31 22
USGS 374046121442701 003S002E15C001M 1976-08-19 1976-08-19 1
USGS 374046121533001 003S001E17D002M 1976-01-28 1977-05-09 6
USGS 374049121442001 003S002E10Q001M 1976-11-01 1983-06-01 27
USGS 374049121463301 003S002E08P002M 1976-06-15 1977-01-24 2
USGS 374050121495501 003S001E11P004M 1982-03-26 1983-07-25 5
USGS 374050121505101 003S001E10Q002M 1952-07-16 1975-06-05 20
USGS 374052121515501 003S001E09Q001M 1977-08-09 1983-07-28 22
USGS 374054121453201 003S002E09Q004M 1978-01-19 1983-06-02 22
USGS 374054121505601 003S001E10Q005M 1975-11-17 1982-03-26 24
USGS 374054121533201 003S001E08N001M 1976-08-27 1983-07-27 29
USGS 374055121464001 003S002E08P001M 2001-06-20 2001-06-20 1
USGS 374056121491301 003S001E12N001M 1980-12-11 1983-08-05 10
USGS 374057121484901 003S001E12P005M 1983-09-29 1983-09-29 1
USGS 374058121481601 003S002E07N001M 1979-10-04 1983-08-30 14
USGS 374058121520101 003S001E09P005M 1978-01-13 1983-08-12 23
USGS 374100121463201 003S002E08N002M 1976-02-11 2001-05-03 4
USGS 374100121474901 003S002E07P003M 2001-05-03 2001-05-03 1
USGS 374100121500201 R AND J DISCHARGE NR PLEASANTON CA 1979-12-17 1980-04-01 3
USGS 374100121520001 003S001E08H018M 2008-08-27 2018-07-24 4
USGS 374100121530001 003S001E07J005S 2008-10-30 2008-10-30 2
USGS 374100121540001 003S001E07D004M 2008-10-29 2008-10-29 2
USGS 374100121540002 003S001E07D003M 2008-10-29 2008-10-29 2
USGS 374100122065101 003S002W08M003M 1998-11-18 1999-03-24 3
USGS 374102121493201 003S001E11J001M 1959-10-27 1980-06-04 61
USGS 374103121430201 003S002E11J002M 1979-10-05 1983-08-10 14
USGS 374103121463801 003S002E08K002M 1977-12-29 1983-07-20 22
USGS 374105121545101 003S001W12J001M 1975-12-09 1983-09-22 50
USGS 374106121521301 003S001E09L002M 1952-07-16 1977-05-16 58
USGS 374107122075301 003S002W07E001M 2000-02-10 2000-02-10 1
USGS 374108121454201 003S002E09L001M 2001-06-20 2001-06-20 1
USGS 374108121530701 003S001E08K001M 1978-01-23 1983-07-27 21
USGS 374111122064601 003S002W08E001M 2008-12-17 2008-12-17 1
USGS 374111122064602 003S002W08E002M 2008-12-17 2008-12-17 1
USGS 374111122064603 003S002W08E003M 2008-12-17 2008-12-17 1
USGS 374112121414001 003S003E07M002M 1976-03-24 1983-05-18 29
USGS 374112121485001 003S001E12F001M 1959-10-27 1983-08-05 63
USGS 374112121522501 003S001E09M002M 2008-08-27 2008-08-27 3
USGS 374112122064501 PRECIP SITE A EBMUD WAREHOUSE IN SAN LORENZO CA 2000-05-30 2000-05-30 1
USGS 374113121484601 003S001E12G001M 1975-12-12 1983-09-16 49
USGS 374113122071901 003S002W07G012M 1999-11-15 1999-11-15 1
USGS 374116121520001 003S001E09G001M 1975-11-17 1983-07-28 29
USGS 374116121523701 003S001E08H004M 1975-11-17 1981-04-20 14
USGS 374117121483301 003S001E12H001M 1979-05-11 1981-08-11 8
USGS 374117121505101 003S001E10G002M 1977-08-16 1983-01-12 20
USGS 374117121512201 003S001E10E001M 1980-12-05 1983-07-28 10
USGS 374117121523701 003S001E08H003M 1981-04-27 1981-04-27 1
USGS 374117121544801 003S001W12H002M 1975-12-10 1980-09-29 29
USGS 374118121461701 003S002E08G001M 2001-06-20 2001-06-20 1
USGS 374118121523801 003S001E08H002M 1981-01-13 1983-07-27 10
USGS 374118121544401 003S001E07M002M 1979-07-25 1983-09-19 15
USGS 374119122094301 003S003W11F001M 2008-12-16 2008-12-16 1
USGS 374119122094302 003S003W11F002M 2008-12-16 2008-12-16 1
USGS 374119122094303 003S003W11F003M 2008-12-16 2008-12-16 1
USGS 374122121465301 003S002E08F001M 1978-03-13 2001-05-03 6
USGS 374123121443601 003S002E10F003M 1978-06-02 1983-06-02 21
USGS 374123121493601 003S001E11H001M 1982-08-11 1983-08-05 3
USGS 374126121462201 003S002E08H002M 1976-10-28 1983-06-02 23
USGS 374126121543201 003S001E07F001M 1978-05-05 1983-08-04 22
USGS 374127121480301 003S002E07C001M 1980-09-12 1983-07-22 11
USGS 374128122134601 SAN FRANCISCO BAY ST AC14 NR OAKLAND AIRPRT CA 1989-09-05 1991-05-21 4
USGS 374129121541301 003S001E07B001M 1976-09-30 1979-05-30 12
USGS 374130121434101 003S002E11C001M 1976-11-01 1983-05-26 23
USGS 374130121494201 003S001E11B001M 1975-12-11 1983-09-20 49
USGS 374130121502701 003S001E10A002M 1979-05-10 1983-09-22 18
USGS 374131121490701 003S001E12D002M 1975-12-11 1983-09-16 50
USGS 374132121483201 003S001E12A002M 1975-12-11 1983-09-20 51
USGS 374133121530901 003S001E08B001M 1979-10-03 1983-09-23 13
USGS 374134121522001 003S001E09D001M 1976-03-24 1976-12-16 4
USGS 374134121522002 003S001E09D005M 1976-03-24 1976-12-16 4
USGS 374134121535201 003S001E06R002M 1978-01-11 1983-08-04 21
USGS 374136121414401 003S003E07D002M 1976-11-01 1983-05-18 27
USGS 374136121474901 003S002E07C002M 1978-04-06 1983-07-19 22
USGS 374137121485101 003S001E12C001M 1977-08-03 1980-06-04 10
USGS 374137121541301 003S001E07B002M 1979-10-18 1983-09-19 14
USGS 374142121430401 003S002E11A001M 1976-10-29 1983-06-01 26
USGS 374143121481801 003S001E01R002M 1981-03-11 1983-09-13 14
USGS 374143121501601 003S001E02N003M 1976-01-28 1983-07-22 29
USGS 374143121515101 003S001E04Q002M 1978-01-06 1983-07-27 20
USGS 374143122123301 SAN FRANCISCO BAY ST AC15 NR BAY FARM ISLND CA 1989-09-05 1991-06-11 5
USGS 374146121470501 003S002E05N001M 1980-11-28 1983-08-11 10
USGS 374146121523701 003S001E05R002M 1976-01-29 1983-07-27 28
USGS 374147121481801 003S001E01R001M 1975-12-11 1981-01-07 35
USGS 374147121483501 TREATMENT PLANT 1 NR LIVERMORE CA 11176160 1974-10-03 1979-06-27 406
USGS 374147121485401 003S001E01P002M 1975-12-11 1983-08-19 49
USGS 374148121492301 003S001E02R001M 1975-12-11 1983-09-20 48
USGS 374152121423001 003S002E01P002M 1977-12-09 1983-06-01 21
USGS 374153121462101 003S002E05J001M 1976-10-29 1983-06-02 22
USGS 374153121475201 003S002E06P001M 1976-02-11 2008-08-26 20
USGS 374154121501801 003S001E02N002M 1978-03-30 1983-08-11 20
USGS 374155121533101 003S001E05M001M 1977-10-12 1983-04-13 20
USGS 374156121553301 003S001W01L001M 1976-02-18 1983-08-19 27
USGS 374158121442201 003S002E03K002M 1977-08-08 1978-08-29 5
USGS 374159121415101 003S002E01J001M 1976-05-21 1976-08-19 2
USGS 374200121480001 003S001E01J001M 2008-10-28 2008-10-28 3
USGS 374202121442201 003S002E03K003M 1977-12-12 1983-06-01 22
USGS 374202121540701 003S001E06G004M 1976-01-28 1977-04-28 6
USGS 374203121493801 003S001E02K002M 1975-12-10 1983-09-15 50
USGS 374204121523901 003S001E05J002M 1978-06-16 1983-07-27 19
USGS 374207121482101 003S001E01H003M 1977-12-20 1983-07-19 23
USGS 374207121514701 003S001E04G001M 1976-10-08 1979-06-04 12
USGS 374207121531501 003S001E05F001M 1976-10-08 1979-06-04 12
USGS 374208121515801 003S001E04J004M 1979-09-21 1983-09-19 15
USGS 374209121532501 003S001E05F002M 1979-11-19 1983-09-22 13
USGS 374211121542701 003S001E06F003M 1976-09-29 1983-08-04 28
USGS 374214121505801 003S001E03G002M 1978-01-18 1983-07-25 22
USGS 374215121422801 003S002E01F002M 1977-12-22 1983-05-11 21
USGS 374216121540501 003S001E06G006M 1977-10-12 1980-02-04 11
USGS 374216122153701 SAN FRANCISCO BAY SITE 2 NR SAN LEANDRO CA 2021-05-05 2021-05-05 1
USGS 374220121451601 ARROYO LAS POSITAS AB ALTAMONT C CA 1981-05-21 1982-04-12 4
USGS 374220122122201 SAN FRANCISCO BAY NR OAKLAND AIRPORT CA 2017-07-18 2017-07-18 1
USGS 374222121430501 003S002E03A001M 1977-12-21 1983-05-26 22
USGS 374223121561001 003S001W02A002M 1976-10-07 1983-08-03 27
USGS 374224121431701 003S002E02B002M 1976-10-29 1983-05-26 27
USGS 374225121561101 003S001W02A001M 1976-02-10 1977-05-02 5
USGS 374233121551601 003S001W01B004M 1976-09-29 1979-05-31 12
USGS 374233122031901 CULL C RES CULV 'B' NR CASTRO VALLEY CA 1979-12-23 1980-02-15 7
USGS 374234121552001 003S001W01B005M 1979-07-06 1983-08-19 16
USGS 374239122031401 CULL C RES CULV 'C' NR CASTRO VALLEY CA 1979-12-23 1980-02-15 8
USGS 374239122042401 JOSEPH AVENUE (CASTRO VALLEY CITY) CA 1974-10-27 1975-03-21 8
USGS 374240122152201 SAN FRANCISCO BAY SITE 4 NR SAN LEANDRO CA 2021-03-23 2021-03-23 1
USGS 374246121505701 002S001E34Q001M 1976-01-28 1976-07-22 3
USGS 374253121463601 002S002E32K002M 1977-12-20 1983-05-11 22
USGS 374258121445801 002S002E34E001M 1977-12-21 1983-09-12 23
USGS 374258122034801 MADISON AVENUE (CASTRO VALLEY CITY) CA 1974-11-07 1975-03-21 5
USGS 374304122105701 002S003W34F001M 2000-07-06 2000-07-06 1
USGS 374306121432101 002S002E35G002M 1976-02-11 1980-03-24 17
USGS 374307121554601 002S001W36E003M 1978-01-05 1983-08-03 23
USGS 374320122091701 PRECIP SITE A EBMUD OFFICE A SAN LEANDRO CA 2000-05-30 2000-05-30 1
USGS 374325121452501 002S002E28Q001M 1976-11-02 1983-05-18 26
USGS 374326121442801 002S002E27P002M 1979-10-03 1983-08-10 14
USGS 374335121442801 002S002E27P001M 1976-11-02 1979-03-15 11
USGS 374336122095801 SAN LEANDRO C A ALVARADO ST A SAN LEANDRO CA 2017-04-06 2017-05-12 21
USGS 374346122113801 002S003W28G001M 1998-11-24 1999-08-25 2
USGS 374347121460401 002S002E28M001M 1976-02-18 1979-10-29 14
USGS 374354122082601 002S003W25B003M 1998-11-17 1999-03-24 3
USGS 374358122094301 002S003W26C003M 1998-11-23 1999-03-25 2
USGS 374406121444201 002S002E27C002M 1976-02-11 1983-05-11 28
USGS 374412122104901 002S003W22K008M 1998-08-12 1998-08-12 1
USGS 374416121455801 002S002E28D002M 1976-11-02 1983-05-18 27
USGS 374417122153201 SAN FRANCISCO BAY ST AC18 NR BAY FARM ISLND CA 1989-09-07 2021-03-23 5
USGS 374418122104201 002S003W22Q002M 1999-12-06 1999-12-07 11
USGS 374425122104201 002S003W22L003M 1998-08-12 1999-03-24 3
USGS 374433122135501 002S003W19Q003M 1998-12-08 1999-12-08 7
USGS 374435122123001 SAN LEANDRO BAY ST AC28 CA 1991-05-22 1991-05-22 1
USGS 374439121454501 002S002E21L004M 1976-02-11 1983-05-12 29
USGS 374441122031601 CULL C TRIB NO3 AB CULL C RES NR CASTRO VAL CA 1979-12-24 1980-02-15 13
USGS 374445122124300 SAN LEANDRO BAY CORE NO. 5 1992-09-25 1992-09-25 7
USGS 374450122124201 SAN LEANDRO BAY ST AC16 NR OAKLAND COLISEUM CA 1989-09-07 1991-05-22 4
USGS 374450122125000 SAN LEANDRO BAY CORE NO. 6 1992-09-25 1992-09-25 12
USGS 374501122134901 SAN LEANDRO BAY ST AC17 NR BAY FARM ISLAND CA 1989-09-07 1991-06-25 4
USGS 374502122032101 CULL C TRIB NO4 AB CULL C RES NR CASTRO VAL CA 1979-12-24 1982-05-12 100
USGS 374504122112201 002S003W16R001M 1998-08-12 2011-03-22 8
USGS 374512121565201 002S001W14N001M 1976-09-28 1983-07-28 27
USGS 374524122124501 002S003W17K001M 1998-12-08 1998-12-08 1
USGS 374524122124502 002S003W17K002M 1998-12-08 1998-12-08 1
USGS 374525122124801 002S003W17K003M 1999-03-23 1999-03-23 1
USGS 374525122124901 002S003W17K004M 1999-03-23 1999-03-23 1
USGS 374525122124903 PRECIP SITE A OAKPORT INJECTION SITE A OAKLAND CA 2000-05-30 2000-05-30 1
USGS 374534122033401 CULL C TRIB NO5 AB CULL C RES NR CASTRO VAL CA 1979-12-23 1980-02-15 19
USGS 374550122171101 SAN FRANCISCO BAY SITE AC19 NR BALLENA BAY CA 1989-09-07 1991-06-11 4
USGS 374557121573701 002S001W15B001M 1978-06-16 1983-04-13 18
USGS 374610122182501 SAN FRANCISCO BAY NR ALAMEDA CA 2023-08-10 2023-08-10 1
USGS 374614122181401 SAN FRANCISCO BAY A OLD ALAMEDA PT NR ALAMEDA CA 2022-08-10 2022-08-10 1
USGS 374643122040001 CULL C TRIB NO7 AB CULL C RES NR CASTRO VAL CA 1979-12-23 1980-02-15 24
USGS 374708122132801 SAUSAL C A OAKLAND CA 2017-04-06 2017-05-12 21
USGS 374713122034201 CULL C TRIB NO8 AB CULL C RES NR CASTRO VAL CA 1979-12-23 1980-02-15 13
USGS 374715122034501 CULL C TRIB NO9 AB CULL C RES NR CASTRO VAL CA 1979-12-23 1980-02-15 15
USGS 374716122175701 002S004W03E001M 1998-12-23 2007-06-20 5
USGS 374722122155501 OAKLAND HARBOR ESTUARY CA 1980-04-18 1987-09-24 157
USGS 374735122164601 OAKLAND HARBOR ESTUARY A JACK LONDON SQ A OAKLAND 2022-08-10 2022-08-10 1
USGS 374740122190601 OAKLAND HARBOR ESTUARY A BERTH 57 NR OAKLAND CA 2022-08-10 2022-08-10 1
USGS 374800122090001 001S003W35BS01M 2007-06-07 2007-06-07 3
USGS 374807122152701 LK MERRITT A LK CENTER CA 1980-04-18 1987-09-24 156
USGS 374810122084001 REDWOOD C A REDWOOD REG PARK NR OAKLAND CA 2000-03-23 2000-03-23 1
USGS 374819122150801 LK MERRITT A TRESTLE GLEN ARM CA 1980-04-18 1981-08-26 59
USGS 374822122153701 LK MERRITT A GLEN ECHO ARM CA 1980-04-18 1981-08-26 58
USGS 90611176170 TREATMENT PLANT 2 NR LIVERMORE CA 11176170 1974-10-03 1979-06-27 64
  group icon Contra Costa County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 374242121533101 002S001E32N001M 1976-10-07 1983-08-03 27
USGS 374357121543702 002S001E30E002M 1981-03-30 1981-09-16 2
USGS 374413121564301 002S001W26C001M 1977-07-25 1978-07-18 5
USGS 374418121563201 002S001W26C002M 1976-09-28 1983-07-28 27
USGS 374436121561401 002S001W23K001M 1978-10-06 1979-11-05 5
USGS 374457121522501 002S001E21D002M 1981-04-06 1981-04-06 2
USGS 374500121522301 002S001E21D001M 1981-04-06 1981-04-06 1
USGS 374510121564301 002S001W22A001M 1976-03-19 1978-06-12 9
USGS 374544121572501 002S001W15F001M 1976-09-28 1983-07-28 26
USGS 374546121520101 002S001E16G001M 1981-04-06 1981-04-06 1
USGS 374614121473701 002S002E18B001M 1981-06-09 1981-06-09 1
USGS 374632121482801 002S002E12H001M 1981-06-11 1981-09-17 2
USGS 374655121534201 002S001E06R002M 1981-04-01 1981-04-01 1
USGS 374701121534301 002S001E06R006M 1981-04-01 1981-04-01 1
USGS 374702121534401 002S001E06R004M 1981-04-01 1981-04-01 1
USGS 374722121510001 002S001E03L001M 1981-04-06 1981-04-06 1
USGS 374732121513701 002S001E04A006M 1981-04-03 1981-04-03 1
USGS 374735121535301 002S001E06A002M 1981-03-31 1981-03-31 1
USGS 374737121535101 002S001E06A007M 1981-03-31 1981-03-31 1
USGS 374738121534801 002S001E06A008M 1981-03-31 1981-03-31 1
USGS 374743121513201 002S001E04A001M 1981-05-18 1981-05-18 1
USGS 374746121513501 001S001E33R002M 1981-04-03 1981-04-03 1
USGS 374748121513501 001S001E33R003M 1981-04-03 1981-04-03 1
USGS 374748121513601 001S001E33R001M 1981-04-03 1981-04-03 1
USGS 374753121525501 001S001E32Q001M 1981-04-02 1981-09-17 2
USGS 374800121540001 001S001E31K001M 1981-03-31 1981-03-31 1
USGS 374801121510201 001S001E34L001M 1981-04-02 1981-04-02 1
USGS 374802121505901 001S001E34L002M 1981-04-02 1981-04-02 1
USGS 374803121505801 001S001E34K001M 1981-04-02 1981-09-17 2
USGS 374803121535701 001S001E31J007M 1981-03-31 1981-03-31 1
USGS 374812121534901 001S001E31J001M 1981-03-31 1981-03-31 1
USGS 374815121535201 001S001E31H001M 1981-03-31 1981-03-31 1
USGS 374830121512201 001S001E27M001M 1981-04-02 1981-04-02 1
USGS 374858121511901 001S001E27M002M 1981-04-02 1981-04-02 1
USGS 374859122034701 PRECIP SITE A USGS SEISMOGRAPH SITE A ROCKY RIDGE 2000-05-30 2000-05-30 1
USGS 374923121512601 001S001E27D001M 1981-04-02 1981-04-02 1
  group icon San Francisco County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 11162700 SAN FRANCISCO BAY A PIER 24 A SAN FRANCISCO CA 1990-07-19 2002-01-03 88
USGS 374247122245701 002S005W33L001M 1989-12-07 1991-01-08 3
USGS 374311122210401 SAN FRANCISCO BAY A HUNTERS PT NR SAN FRANCISCO CA 2023-05-24 2023-05-24 1
USGS 374317122245101 002S005W33BS01M 1988-12-08 1989-05-16 2
USGS 374321122263401 002S005W30R001M 1988-12-07 1989-05-17 2
USGS 374332122241601 002S005W27N001M 1988-12-07 1991-01-09 4
USGS 374335122235001 002S005W27L001M 1988-12-08 1991-01-09 3
USGS 374336122201201 SAN FRANCISCO BAY A HUNTERS PT CA 1977-11-09 1978-12-21 259
USGS 374427122195501 SAN FRANCISCO BAY A INDIA BASIN NR ALAMEDA CA 2023-08-02 2023-08-02 1
USGS 374438122244501 002S005W21KS01M 1988-12-08 1989-05-17 2
USGS 374451122251301 002S005W21E001M 1988-12-07 1989-05-16 2
USGS 374541122251201 002S005W16E001M 1988-12-08 1989-05-16 2
USGS 374542122213001 SAN FRANCISCO BAY A POTRERO PT CA 1977-11-09 1978-11-08 7
USGS 374554122213001 SAN FRANCISCO BAY WATER QUALITY PROJECT SITE 22 2022-06-15 2023-09-20 7
USGS 374604122260101 002S005W08P001M 1988-12-06 1991-01-10 3
USGS 374614122211001 SAN FRANCISCO BAY NR PIER 50 NR SAN FRANCISCO CA 2022-08-10 2022-08-10 1
USGS 374617122201101 SAN FRANCISCO BAY NR ALAMEDA POINT NR ALAMEDA CA 2022-08-10 2022-08-10 1
USGS 374632122251001 002S005W09F001M 1988-12-06 1988-12-06 1
USGS 374658122242401 002S005W04R001M 1988-12-06 1989-05-15 2
USGS 374706122261901 002S005W05L001M 1988-12-06 1991-01-10 4
USGS 374800122221201 SAN FRANCISCO BAY A BAY BRIDGE CA 1977-11-09 1978-12-21 353
  group icon San Mateo County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 11162720 COLMA C A SOUTH SAN FRANCISCO CA 1965-11-17 1982-03-01 155
USGS 11162722 SPRUCE BRANCH A SOUTH SAN FRANCISCO CA 1965-11-17 1969-02-24 30
USGS 11162753 SAN MATEO C BL LO CRYSTAL SP RES NR SAN MATEO CA 2014-01-09 2017-06-13 7
USGS 11162765 SF BAY A SAN MATEO BRIDGE NR FOSTER CITY CA 1990-06-19 2024-02-08 149
USGS 11162800 REDWOOD C A REDWOOD CITY CA 1970-11-29 1971-03-26 4
USGS 372616122124601 005S003W32G002M 1993-10-21 1993-10-21 1
USGS 372620122105601 006S003W03M002M 1997-05-01 1997-05-01 1
USGS 372639122115401 006S003W04C001M 1993-10-20 1993-10-20 1
USGS 372639122122601 006S003W05A001M 1993-10-22 1993-10-22 1
USGS 372653122130101 005S003W32P003M 1993-10-20 1993-10-20 1
USGS 372701122122401 005S003W32R003M 1993-10-21 1993-10-21 1
USGS 372711122114001 005S003W33K006M 1993-10-22 1993-10-22 1
USGS 372721122101000 USGS 345 MIDDLEFIELD RD MENLO PARK CA 1959-04-01 1984-04-01 109
USGS 372722122100501 005S003W34H001M 1981-05-18 1997-05-01 2
USGS 372722122113101 005S003W33G001M 2007-05-21 2007-05-21 3
USGS 372725122122701 005S003W32H005M 1993-10-20 1993-10-20 1
USGS 372730122120001 005S003W33D005M 1993-10-21 1993-10-21 1
USGS 372733122085701 005S003W36D001M 1997-05-02 1997-05-02 1
USGS 372733122130501 005S003W32D002M 1993-10-22 1993-10-22 1
USGS 372738122100401 005S003W35D003M 1997-04-29 1997-04-29 1
USGS 372746122122201 005S003W29R002M 1993-10-20 1993-10-20 1
USGS 372747122100701 005S003W27R003M 1997-04-29 1997-04-29 1
USGS 372750122112201 005S003W28R003M 1993-10-18 2022-04-20 6
USGS 372754122124701 005S003W29K003M 1993-10-20 1993-10-20 1
USGS 372756122102501 005S003W27K002M 1997-04-29 1997-04-29 1
USGS 372803122111501 005S003W28J003M 1993-10-19 1993-10-19 1
USGS 372804122053501 SAN FRANCISCO BAY A HOOKS POINT NR E PALO ALTO CA 2022-08-16 2024-02-08 8
USGS 372809122081501 005S003W25G001M 1997-05-01 1997-05-01 1
USGS 372809122102101 005S003W27G001M 1997-04-29 1997-04-29 1
USGS 372811122103401 005S003W27G004M 1993-10-19 1993-10-19 1
USGS 372818122070801 SAN FRANCISCO BAY A COOLEY LANDING NR E PALO ALTO 2017-06-05 2017-06-05 4
USGS 372818122082801 005S003W25F001M 1997-05-02 1997-05-02 1
USGS 373000122072601 SAN FRANCISO BAY A DUMBARTON NARROWS NR MENLO PARK 2009-04-23 2014-06-18 92
USGS 373015122071000 SOUTH SAN FRANCISCO BAY AT DUMBARTON BRIDGE CA 1998-10-07 2024-02-08 735
USGS 373033122092801 SAN FRANCISCO BAY A RAVENSWOOD SLU NR E PALO ALTO 2022-08-16 2024-02-08 8
USGS 373036122072401 SAN FRANCISCO BAY A DUMBARTON BRIDGE CA 1977-11-09 1978-11-08 6
USGS 373106122070001 SAN FRANCISCO BAY WATER QUALITY PROJECT SITE 32 2022-08-10 2022-08-10 1
USGS 373106122080601 SAN FRANCISCO BAY A RAVENSWOOD PT CA 1977-11-09 1978-11-08 24
USGS 373140122110201 SAN FRANCISCO BAY A GRECO ISLAND NR REDWOOD CITY 2017-07-17 2017-07-17 4
USGS 373148122092401 SAN FRANCISCO BAY A REDWOOD CITY CA 1978-01-04 1978-11-08 6
USGS 373158122102701 SAN FRANCISCO BAY A GRECO ISLAND NR SAN CARLOS CA 2022-03-25 2024-02-08 24
USGS 373243122131901 SAN FRANCISCO BAY A BAIR ISLAND NR SAN CARLOS CA 2017-07-19 2017-07-19 4
USGS 373318122113001 SAN FRANCISCO BAY A REDWOOD PT CA 1977-11-09 1978-12-21 271
USGS 373336122122501 SAN FRANCISCO BAY A BAIR ISLAND NR FOSTER CITY CA 2022-03-25 2024-02-08 24
USGS 373338122191301 004S004W29B001M 2007-05-23 2007-05-23 3
USGS 373435122155401 SAN FRANCISCO BAY A LITTLE COYOTE PT A FOSTER CITY 2017-07-19 2017-07-19 4
USGS 373454122144801 SAN FRANCISCO BAY A FOSTER CITY CA 1977-11-09 1978-11-08 7
USGS 373600122161201 SAN FRANCISCO BAY A SAN MATEO BRIDGE CA 1977-11-09 1978-12-21 250
USGS 373640122170101 SAN FRANCISCO BAY SITE 1 NR SAN MATEO CA 2021-03-23 2023-10-17 18
USGS 373700122230001 003S005W34B001M 2007-05-24 2007-05-24 3
USGS 373700122230002 003S005W34B002M 2007-05-24 2007-05-24 3
USGS 373700122240001 004S005W04G001M 2007-05-23 2022-04-06 8
USGS 373700122240002 003S005W33R001M 2007-06-13 2007-06-13 3
USGS 373706122173001 SAN FRANCISCO BAY A COYOTE PT CA 1977-11-09 2023-09-20 30
USGS 373741122235201 003S005W34L001M 1989-12-07 1990-04-02 2
USGS 373741122235202 003S005W34L002M 1989-12-07 1991-01-08 3
USGS 373751122143601 SAN FRANCISCO BAY 2.8 MI N OF SAN MATEO BRIDGE CA 2018-04-13 2024-02-22 99
USGS 373812122190001 SAN FRANCISCO BAY A SAN BRUNO SHOAL CA 1977-11-09 1978-11-08 7
USGS 373845122171901 SAN FRANCISCO BAY 4.53 MI N OF SAN MATEO BRIDGE CA 2023-05-31 2023-05-31 1
USGS 373915122141501 SAN FRANCISCO BAY 4.25 MI N OF SAN MATEO BRIDGE CA 2022-09-07 2023-08-02 2
USGS 373920122155201 SAN FRANCISCO BAY SITE 9 NR SAN LORENZO CA 2021-08-04 2023-10-17 18
USGS 373924122185901 SAN FRANCISCO BAY SITE 3 NR SAN BRUNO CA 2021-05-05 2023-10-17 22
USGS 374015122265801 003S005W18K002M 1988-12-07 1990-04-02 3
USGS 374018122193001 SAN FRANCISCO BAY A OYSTER PT CA 1977-11-09 1978-12-21 184
USGS 374113122155601 SAN FRANCISCO BAY 7.8 MI N OF SAN MATEO BRIDGE CA 2022-09-07 2022-09-07 1
USGS 374200122201801 SAN FRANCISCO BAY A CANDLESTICK PT CA 1977-11-09 1978-11-08 22
  group icon Santa Clara County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 11169750 ALVISO SLOUGH NR ALVISO CA 2011-05-18 2024-01-19 497
USGS 11173200 ARROYO HONDO NR SAN JOSE CA 1977-08-17 2023-03-22 97
USGS 372512121594601 SALT POND A8D NR ALVISO CA 2023-06-22 2023-09-29 4
USGS 372524121585101 SALT POND A8F NR ALVISO CA 2023-06-22 2023-09-29 4
USGS 372525121584701 ALVISO SLOUGH FEEDER CHANNEL A ALVISO CA 2015-07-23 2017-12-28 302
USGS 372609122014201 A3W SALT POND NR SUNNYVALE CA 2012-06-28 2012-10-03 3
USGS 372609122055001 SALT POND A1 NR PALO ALTO CA 2023-06-22 2023-09-29 4
USGS 372615122055201 006S002W05J001M 1980-06-05 1980-07-01 23
USGS 372615122055202 006S002W05J004M 1980-06-09 1981-01-02 5
USGS 372616122055101 006S002W05J002M 1980-06-05 1980-07-24 20
USGS 372626122061601 006S002W05G001M 1980-07-16 1980-07-16 1
USGS 372626122061701 006S002W05F014M 1980-07-23 1980-07-23 1
USGS 372626122062101 006S002W05F007M 1980-07-29 1980-07-29 1
USGS 372627122061701 006S002W05F013M 1980-07-24 1981-01-13 4
USGS 372627122061901 006S002W05F015M 1981-01-02 1981-01-02 1
USGS 372627122061902 006S002W05F010M 1980-07-21 1980-12-18 6
USGS 372627122062001 006S002W05F009M 1980-07-31 1981-01-15 7
USGS 372627122062101 006S002W05F008M 1980-07-28 1981-01-13 4
USGS 372627122062301 006S002W05F002M 1980-08-06 1981-01-13 2
USGS 372628122061801 006S002W05F004M 1980-07-29 1981-04-09 5
USGS 372628122061901 006S002W05F011M 1980-07-17 1980-12-31 5
USGS 372628122061902 006S002W05F012M 1980-07-22 1981-01-15 6
USGS 372628122062001 006S002W05F003M 1980-08-04 1981-01-13 2
USGS 372629122061801 006S002W05F005M 1980-07-31 1980-07-31 1
USGS 372630122061701 006S002W05F006M 1980-07-30 1980-07-30 1
USGS 372700122040801 SALT POND A2W NR PALO ALTO CA 2023-06-22 2023-09-29 4
USGS 372706122034301 SAN FRANCISCO BAY A STEVENS C NR MOUNTAIN VIEW CA 2017-06-07 2017-06-07 4
USGS 372727122022401 COYOTE C ABV GUADALUPE SLOUGH NR ALVISO CA 2017-06-07 2017-06-07 4
USGS 372744122011901 ALVISO SLOUGH A MOUTH NR ALVISO CA 2017-06-06 2017-06-06 4
USGS 372746122061801 SAN FRANCISCO BAY NR EMBARCADERO RD A PALO ALTO CA 2017-06-05 2017-06-05 4
USGS 372750122012701 COYOTE C NR ALVISO CA 2015-05-12 2024-02-08 36