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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 -- 321 sites found


Hydrologic unit = 18040008
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 Madera County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 373008119334601 005S022E16AS01M 1991-09-05 1993-07-01 6
USGS 373012119334001 RAINIER C AB SPR IF NR FISHCAMP CA 1991-09-05 1991-09-05 1
USGS 373015119335901 005S022E16BS02M 1992-07-29 1992-07-29 1
USGS 373018119340401 005S022E16BS01M 1991-09-05 1993-07-01 4
USGS 373218119392701 SF MERCED R AB HWY 41 BR A WAWONA CA 1991-09-01 1991-09-01 1
USGS 373856119195501 ISBERG PASS LK NR YOSEMITE VILLAGE CA 2008-09-02 2008-09-02 2
USGS 374025119182401 HARRIET LK NR TUOLUMNE MEADOWS CA 2008-09-03 2008-09-03 2
USGS 374134119205901 MERCED PEAK FORK AT FOOTBR NR YOSEMITE VILLAGE CA 2014-07-16 2015-08-04 3
USGS 374156119200200 MERCED PEAK FK 0.3 MI BL BR NR YOSEMITE VILLAGE CA 1991-08-01 1991-08-01 1
USGS 374215119171500 UNNAMED LK AB LYELL FORK NR TUOLUMNE MEADOWS CA 2004-07-02 2007-10-02 10
USGS 374224119192700 LYELL FORK MERCED R NR TUOLUMNE MEADOWS CA 2004-07-01 2015-08-04 15
USGS 374237119183900 HUTCHING C NR TUOLUMNE MEADOWS CA 1991-08-01 1991-08-01 2
USGS 374237119215500 MERCED R AB WASHBURN LK CA 1982-08-13 1982-08-13 1
USGS 374240119215800 MERCED R AB WASHBURN LK BL RED PEAK FK CA 1977-08-12 1977-08-12 1
USGS 374248119160901 LK 10999 NR TUOLUMNE MEADOWS CA 2008-09-04 2008-09-04 1
USGS 374255119221500 WASHBURN LK CA 1982-08-13 1982-08-13 1
USGS 374257119221500 WASHBURN LK AB LEWIS C NR YOSEMITE CA 1977-08-12 1977-08-12 10
  group icon Mariposa County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 11264000 ILLILOUETTE C NR YOSEMITE VILLAGE CA 2004-07-15 2004-10-18 7
USGS 11264500 MERCED R A HAPPY ISLES BRIDGE NR YOSEMITE CA 1967-11-20 2024-01-23 1045
USGS 11265000 TENAYA C NR YOSEMITE VILLAGE CA 2015-08-31 2015-08-31 1
USGS 11266400 MERCED R A EL CAPITAN BR NR YOSEMITE VILAGE CA 1972-10-05 1974-10-05 46
USGS 11266450 EFFLNT FRM TREATMNT PLNT NR YOSEMITE VILLAG CA 1973-04-20 1974-09-02 15
USGS 11266500 MERCED R A POHONO BRIDGE NR YOSEMITE CA 1971-10-18 2004-06-10 17
USGS 11266700 TAMARACK C A TAMARACK FLAT CG NR EL PORTAL CA 1977-08-17 1977-09-29 3
USGS 11266750 MERCED R A BIG OAK FLAT NR EL PORTAL CA 1973-02-21 1977-11-30 41
USGS 11267000 LITTLE CRANE C NR EL PORTAL CA 1977-07-28 1977-07-28 1
USGS 11267050 MERCED R A RANCHERIA FLAT NR EL PORTAL CA 1972-10-05 1977-12-01 78
USGS 11267300 SF MERCED R A WAWONA CA 1981-08-18 2015-08-31 2
USGS 11268000 SF MERCED R NR EL PORTAL CA 1973-04-23 1977-12-01 61
USGS 11268100 MERCED R BL SF NR BRICEBURG CA 1975-07-24 1977-12-01 36
USGS 11268200 MERCED R NR BRICEBURG CA 1966-03-16 1980-05-07 121
USGS 11268500 MERCED R A BAGBY CA 1972-10-05 1977-09-08 8
USGS 11269500 LK MCCLURE A EXCHEQUER CA 1976-11-09 1977-08-09 153
USGS 11270000 MERCED R A EXCHEQUER CA 1906-02-10 1966-07-18 170
USGS 372839119375301 BIG C AB FISH CAMP CA 1982-08-18 1983-09-12 2
USGS 373050119360000 BIG C NR GRIZZLY GIANT TREE CA 1981-08-18 1981-08-18 1
USGS 373156119385801 004S021E34R001M 1992-08-23 1993-10-26 4
USGS 373216119375301 004S021E35R001M 1991-08-18 1992-07-28 3
USGS 373219119371100 SF MERCED R A SWINGING BR NR WAWONA CA 2004-06-10 2009-06-03 71
USGS 373221119375501 004S021E35R002M 1991-08-19 1991-10-27 3
USGS 373222119371501 SF MERCED R ABOVE MILE 25 NR WAWONA CA 1994-09-14 1994-09-14 1
USGS 373223119380001 004S021E35Q001M 1991-08-19 1991-08-19 1
USGS 373223119383501 004S021E35L001M 1991-08-22 1991-08-22 1
USGS 373224119381801 004S021E35P002M 1991-08-21 1991-08-21 1
USGS 373227119382301 004S021E35P001M 1991-08-21 1991-09-17 2
USGS 373227119382901 004S021E35P004M 1991-08-26 1992-08-03 4
USGS 373227119383301 004S021E35P003M 1991-08-25 1991-08-25 1
USGS 373229119374101 004S021E36M001M 1991-08-16 1992-07-28 3
USGS 373229119384901 004S021E35M002M 1991-08-23 1991-09-19 2
USGS 373230119372500 SF MERCED R AB SOUTH WAWONA CA 1981-08-18 1982-08-19 2
USGS 373230119383801 004S021E35M001M 1991-08-23 1992-08-04 2
USGS 373234119383301 004S021E35L002M 1991-08-22 1991-08-22 1
USGS 373234119384301 004S021E35M007M 1991-08-28 1991-09-16 2
USGS 373238119374101 SF MERCED BL SWINGING BRIDGE NR WAWONA CA 2014-07-08 2014-07-08 1
USGS 373240119374601 004S021E35J002M 1992-08-23 1993-10-26 5
USGS 373241119384301 004S021E35E002M 1991-08-29 1991-09-11 2
USGS 373241119384701 004S021E35E001M 1991-08-27 1991-09-09 2
USGS 373242119380301 004S021E35G003M 1991-10-29 1991-10-29 1
USGS 373242119380401 004S021E35G002M 1991-08-17 1992-07-28 4
USGS 373243119381401 004S021E35G001M 1991-08-17 1992-07-28 3
USGS 373243119384701 004S021E35E003M 1991-08-27 1991-09-11 2
USGS 373244119374301 004S021E35H009M 1991-09-07 1992-08-04 3
USGS 373244119383501 004S021E35E016M 1991-08-27 1991-09-16 2
USGS 373248119384301 004S021E35E017M 1991-08-29 1992-08-06 3
USGS 373248119405000 BIG C NR WAWONA CAMPGROUND CA 1981-08-18 1982-08-18 2
USGS 373249119381701 004S021E35F001M 1991-09-03 1992-07-30 4
USGS 373250119374901 004S021E35H001M 1991-08-31 1992-08-04 3
USGS 373250119374902 004S021E35H003M 1991-08-30 1991-08-30 1
USGS 373251119375600 CHILNAULNA C NR N WAWONA CA 1981-08-17 2014-07-08 3
USGS 373253119375201 004S021E35H002M 1991-09-07 1991-09-07 1
USGS 373253119383001 004S021E35F007M 1991-09-11 1991-09-11 1
USGS 373253119384601 004S021E35E009M 1991-08-28 1991-09-25 2
USGS 373253119384801 004S021E35E012M 1991-08-28 1991-09-10 2
USGS 373253119384901 004S021E35E008M 1991-08-29 1991-08-29 1
USGS 373254119384201 004S021E35D009M 1991-09-07 1991-09-09 2
USGS 373254119384701 004S021E35D001M 1991-08-28 1991-09-10 2
USGS 373255119382901 004S021E35C002M 1991-08-25 1991-09-13 2
USGS 373256119381101 004S021E35B002M 1991-08-25 1991-09-18 3
USGS 373257119383001 004S021E35C005M 1991-08-26 1991-09-13 2
USGS 373258119382201 004S021E35C013M 1991-08-27 1992-07-30 3
USGS 373258119384001 004S021E35D006M 1991-08-30 1991-09-10 2
USGS 373258119410000 SF MERCED R BL WAWONA CA 1982-08-18 1982-08-18 1
USGS 373259119384001 004S021E35D005M 1991-08-30 1991-09-10 2
USGS 373301119382701 004S021E35C003M 1991-08-26 1991-09-19 2
USGS 373302119381601 004S021E35B001M 1991-08-26 1991-09-15 2
USGS 373303119382301 004S021E35C004M 1991-08-26 1991-09-12 2
USGS 373304119382901 004S021E35C001M 1991-08-25 1992-07-27 3
USGS 373306119382401 004S021E35C008M 1991-08-31 1992-07-30 3
USGS 373450119403800 ALDER C A HWY 41 NR WAWONA CA 1981-08-18 1982-08-18 2
USGS 373600120070001 004S017E05M001M 2008-07-21 2008-07-21 3
USGS 373637119573801 MERCED R AB BM1186 NR BRICEBURG CA 1994-09-16 2011-11-03 15
USGS 373728119325700 OSTRANDER LK CA 1982-08-12 1982-08-12 5
USGS 373901119530701 SF MERCED R NR MOUTH NR EL PORTAL CA 1994-09-16 1994-09-16 1
USGS 373935119365800 BRIDALVEIL C AB BRIDALVEIL CAMPGROUND CA 1981-08-18 1982-08-18 2
USGS 374001119483701 MERCED R BL FORESTA RD BRIDGE NR EL PORTAL CA 1994-09-15 2004-06-10 2
USGS 374017119472301 MERCED R AB HWY 140 BRIDGE NR EL PORTAL CA 1994-09-15 2011-11-02 14
USGS 374034119345801 MONO MEADOW AT YOSEMITE NP CA 2003-07-29 2006-07-11 3
USGS 374041119340200 MONO MEADOW TRIB NR YOSEMITE VILLAGE CA 1991-08-04 1991-08-04 1
USGS 374055119384801 NORTH SUMMIT MEADOW AT YOSEMITE NP CA 2003-07-28 2010-09-07 11
USGS 374113119323500 ILLILOUETTE C NR MONO MDW NR YOSEMITE VILLAGE CA 1991-08-04 2014-07-07 2
USGS 374120119415900 GROUSE C A HWY 41 NR CHINQUAPIN CA 1981-08-18 1982-08-17 2
USGS 374127119460000 CRANE C NR FORESTA CA 1981-08-20 1982-08-17 2
USGS 374222119351801 POTHOLE MEADOW A YOSEMITE NP CA 2003-07-29 2006-07-11 2
USGS 374259119395301 MERCED R A POHONO BRIDGE A YOSEMITE VILLAGE CA 2004-06-10 2009-06-03 73
USGS 374302119391701 MERCED R A BRIDALVEIL MORAINE NR YOSEMITE VLLGE CA 1995-09-12 1995-09-12 1
USGS 374308119385000 BRIDALVEIL C IN YOSEMITE VALLEY CA 1981-08-18 1982-08-17 2
USGS 374319119381701 MERCED R BL EL CAPITAN BRDG NR YOSEMITE VLLGE CA 1995-09-12 1995-09-12 1
USGS 374326119332400 ILLILOUETTE C NR HAPPY ISLES CA 1981-08-19 1982-08-16 2
USGS 374327119424300 CASCADE C BL CASCADES CA 1982-08-17 1982-08-17 1
USGS 374335119330000 MERCED R BL VERNAL FALLS CA 1972-05-24 1972-05-24 1
USGS 374340119362801 MERCED R BL EAGLE C NR YOSEMITE VLLGE CA 1995-09-12 1995-09-12 1
USGS 374349119363100 MERCED R BL YOSEMITE LODGE NR YOSEMITE VILLAGE CA 2009-03-19 2009-03-19 1
USGS 374353119304801 MERCED R BL SUNRISE C CA 1983-09-16 1983-09-16 1
USGS 374402119304401 SUNRISE C UPSTREAM FROM 1983-09-16 1983-09-16 1
USGS 374403119302700 MERCED R AB SUNRISE C CA 1976-11-12 1977-08-12 2
USGS 374408119244500 MERCED LK AB ECHO C NR YOSEMITE VALLEY CA 1976-11-11 1977-08-11 37
USGS 374409119361301 MERCED R AB SENTINAL C NR YOSEMITE VLLGE CA 1995-09-12 1995-09-12 1
USGS 374415119241000 MERCED R AB MERCED LK HSC CA 1981-08-26 1982-08-12 2
USGS 374415119244500 MERCED LK CA 1981-08-26 1983-09-16 47
USGS 374417119250401 MERCED R BL MERCED LAKE NR TUOLUMNE MEADOWS CA 2004-06-07 2007-10-01 17
USGS 374417119334001 MERCED R ABV CLARKS BRDGE NR YOSEMITE VILLAGE CA 1995-09-13 1995-09-13 1
USGS 374418119241100 MERCED R AB HIGH SIERRA CAMP NR TUOLUMNE MEADOW CA 1991-08-02 2015-09-14 7
USGS 374420119251000 MERCED R BL MERCED LK HSC CA 1981-08-26 1982-08-12 2
USGS 374421119355601 MERCED R NR YOSEMITE LODGE NR YOSEMITE VLLGE CA 1995-09-12 1995-09-12 1
USGS 374423119234800 FLETCHER C AT FOOT BR NR YOSEMITE VILLAGE CA 2004-06-29 2007-10-03 15
USGS 374429119255300 CLARK FORK NR YOSEMITE VILLAGE CA 1991-08-02 1991-08-02 1
USGS 374431119332500 TENAYA C BL MIRROR LK CA 1972-05-24 1972-05-24 1
USGS 374431119354401 002S021E19K001M 2008-08-13 2008-08-13 3
USGS 374433119262601 MERCED R BL ECHO C NR YOSEMITE VILLAGE CA 2014-07-10 2014-07-10 1
USGS 374433119301301 SUNRISE C NR YOSEMITE VILLAGE CA 2014-07-10 2014-07-10 1
USGS 374435119335301 TENAYA C NR GROUP CAMP NR YOSEMITE VILLAGE CA 1994-09-12 1994-09-12 1
USGS 374442119330201 TENAYA C BL MIRROR LAKE NR YOSEMITE VILLAGE CA 1994-09-13 1994-09-13 1
USGS 374444119231101 LEWIS C AB FOOTBRIDGE NR YOSEMITE VILLAGE CA 2014-07-09 2014-07-09 1
USGS 374500119354501 YOSEMITE C BL LO YOSEMITE FALLS A YOSEMITE VILLAGE 2014-07-10 2014-07-10 1
USGS 374531119354701 YOSEMITE C AB UP YOSEMITE FALLS A YOSEMITE VILLAGE 2014-07-10 2014-07-10 1
USGS 374534119315200 TENAYA C NR HALF DOME AB MIRROR LK CA 1981-08-19 2014-07-10 3
USGS 374603119245500 ECHO C NR TUOLUMNE MEADOWS CA 1991-08-02 1991-08-02 1
USGS 374604119195000 BERNICE LK NR TUOLUMNE MEADOWS CA 2008-07-22 2008-07-22 2
USGS 374611120045301 POND NEXT TO JORDAN CREEK NR GROVELAND, CA 2009-03-20 2010-06-04 15
USGS 374615119322101 SNOW C BLW FOOTBRIDGE NR YOSEMITE VILLAGE CA 2014-07-10 2014-07-10 1
USGS 374622119231101 FLETCHER C BL EMERIC LAKE NR TUOLUMNE MEADOWS CA 2014-07-09 2014-07-09 1
USGS 374644119223601 FLETCHER C AB EMERIC LAKE NR TUOLUMNE MEADOWS CA 2014-07-09 2014-07-09 1
USGS 374700119200001 001S024E33PS01M 2008-08-12 2008-08-12 3
USGS 374702119250200 CATHEDRAL FORK NR TUOLUMNE MEADOWS CA 1991-08-02 1991-08-02 1
USGS 374727119210000 FLETCHER C BL VOGELSANG HIGH SIERRA CAMP CA 1981-08-26 2014-07-09 3
USGS 374740119253800 LONG MDW C TRIB NR SUNRISE HSC CA 1982-08-10 2014-07-10 2
USGS 374748119203000 FLETCHER LK (UPPER) CA 1981-08-26 1981-08-26 4
USGS 374749119202500 FLETCHER C AB FLETCHER LAKE CA 1981-08-26 1982-08-10 2
USGS 374813119270401 UP SUNRISE LK CA 1983-09-15 1983-09-15 1
USGS 374835119223500 NELSON LK CA 1981-08-21 1981-08-28 5
USGS 374838119255000 LONG MDW C AB SUNRISE HSC CA 1982-08-10 2014-07-10 2
USGS 374900120030001 001S017E36C001M 2008-08-13 2008-08-13 3
USGS 374954119294801 SNOW C BL SNOW FLAT MEADOW NR YOSEMITE VILLAGE CA 2014-07-10 2014-07-10 1
USGS 374955119273500 TENAYA LK CA 1981-08-21 2014-07-10 2
USGS 374956119351900 YOSEMITE C NR YOSEMITE C CAMPGROUND CA 1982-08-17 1982-08-17 1
USGS 375000119270000 TENAYA C AB TENAYA LK CA 1982-08-11 1982-08-11 1
USGS 375000119294401 SNOW C AB SNOW FLAT MEADOW NR YOSEMITE VILLAGE CA 2014-07-10 2014-07-10 1
USGS 375021119245600 UPPER CATHEDRAL LK NR TUOLUMNE MEADOWS CA 2008-07-08 2008-07-08 2
USGS 375042119252200 LO CATHEDRAL LK CA 1981-08-27 1983-09-15 19
USGS 375045119292900 MAY LK CA 1981-08-26 2014-07-10 10
  group icon Merced County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 11270900 MERCED R BL MERCED FALLS DAM NR SNELL CA 1966-01-10 1994-06-18 21
USGS 11271290 MERCED R A SHAFFER BRIDGE NR CRESSEY CA 1976-11-08 1977-07-26 4
USGS 11271320 DRY C NR SNELLING CA 2002-12-16 2002-12-16 1
USGS 11272000 MERCED R A MILLIKEN BRIDGE NR STEVINSON LA CA 1965-11-02 1980-11-14 92
USGS 11272500 MERCED R NR STEVINSON CA 1951-04-13 1992-10-13 218
USGS 11273500 MERCED R A RIVER ROAD BRIDGE NR NEWMAN CA 1985-06-13 2009-09-24 450
USGS 372100120570001 007S009E03J001M 2006-04-03 2006-04-03 3
USGS 372217120554700 STEVINSON LOWER LATERAL NR STEVINSON CA 1994-02-08 1994-02-08 2
USGS 372231120461201 006S011E28P001M 2020-12-01 2020-12-01 4
USGS 372250120444701 006S011E27K001M 1957-07-09 1966-05-24 8
USGS 372312120480001 SEEPAGE METER D, 11.2 M 2003-12-02 2004-09-22 11
USGS 372312120480002 SEEPAGE METER 4, 11.2 M 2003-12-02 2004-09-22 11
USGS 372312120480003 SEEPAGE METER E, 11.2 M 2003-12-02 2004-09-22 11
USGS 372312120480004 SEEPAGE METER 5, 11.2 M 2003-12-02 2004-09-22 11
USGS 372312120480005 SEEPAGE METER F, 11.2 M 2003-12-02 2004-09-22 11
USGS 372312120480006 SEEPAGE METER 6, 11.2 M 2003-12-02 2004-09-22 11
USGS 372312120480007 SEEPAGE METER A, 11.3 M 2003-12-02 2004-09-22 11
USGS 372312120480008 SEEPAGE METER 1, 11.3 M 2003-12-02 2004-09-22 11
USGS 372312120480009 SEEPAGE METER B, 11.3 M 2003-12-02 2004-09-22 11
USGS 372312120480010 SEEPAGE METER 2, 11.3 M 2003-12-02 2004-09-22 11
USGS 372312120480011 SEEPAGE METER C, 11.3 M 2003-12-02 2004-09-22 11
USGS 372312120480012 SEEPAGE METER 3, 11.3 M 2003-12-02 2004-09-22 11
USGS 372312120481004 ACTTR1-1-2A TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481005 ACTTR1-1-2B TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481006 ACTTR1-1-2C TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481007 ACTTR1-1-3A TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481008 ACTTR1-1-3B TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481009 ACTTR1-1-3C TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481010 ACTTR1-1-4A TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481011 ACTTR1-1-4B TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481012 ACTTR1-1-4C TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481013 ACTTR1-1-5A TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481014 ACTTR1-1-5B TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481015 ACTTR1-1-5C TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481016 006S011E30B019M 2004-03-31 2004-10-06 3
USGS 372312120481017 006S011E30B018M 2004-03-31 2004-10-06 3
USGS 372312120481021 ACTTR1-2-2A TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481022 ACTTR1-2-2B TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481023 ACTTR1-2-2C TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481024 ACTTR1-2-3A TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481025 006S011E30B017M 2004-03-31 2004-10-06 3
USGS 372312120481026 006S011E30B016M 2004-03-31 2004-10-06 3
USGS 372312120481030 ACTTR1-2-4A TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481031 ACTTR1-2-4B TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481032 ACTTR1-2-4C TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481033 ACTTR1-2-5A TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481034 006S011E30B015M 2004-03-30 2004-10-06 3
USGS 372312120481035 006S011E30B014M 2004-03-30 2004-10-06 3
USGS 372312120481039 ACTTR1-2-6A TEMPRARY DRI 2004-03-31 2004-10-07 3
USGS 372312120481040 ACTTR1-2-6B TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481041 ACTTR1-2-6C TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481042 ACTTR1-2-7A TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481043 006S011E30B013M 2004-03-30 2004-10-06 3
USGS 372312120481044 006S011E30B012M 2004-03-30 2004-10-06 3
USGS 372312120481048 ACTTR1-2-8A TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481049 ACTTR1-2-8B TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481050 ACTTR1-2-8C TEMPRARY DRI 2004-03-31 2004-10-07 2
USGS 372312120481051 006S011E30B011M 2004-03-30 2004-10-06 3
USGS 372312120481052 006S011E30B010M 2004-03-30 2004-10-06 3
USGS 372312120481056 ACTTR1-3-1A TEMPRARY DRI 2004-03-30 2004-10-06 2
USGS 372312120481057 ACTTR1-3-1B TEMPRARY DRI 2004-03-30 2004-10-06 2
USGS 372312120481058 ACTTR1-3-1C TEMPRARY DRI 2004-03-30 2004-10-06 2
USGS 372312120481059 ACTTR1-3-2A TEMPRARY DRI 2004-03-30 2004-10-06 2
USGS 372312120481060 ACTTR1-3-2B TEMPRARY DRI 2004-03-30 2004-10-06 2
USGS 372312120481061 ACTTR1-3-2C TEMPRARY DRI 2004-03-30 2004-10-06 2
USGS 372312120481062 ACTTR1-3-3A TEMPRARY DRI 2004-03-30 2004-10-06 2
USGS 372312120481063 ACTTR1-3-3B TEMPRARY DRI 2004-03-30 2004-10-06 2
USGS 372312120481064 ACTTR1-3-3C TEMPRARY DRI 2004-03-30 2004-10-06 2
USGS 372312120481065 ACTTR1-3-4A TEMPRARY DRI 2004-03-30 2004-10-06 2
USGS 372312120481066 ACTTR1-3-4B TEMPRARY DRI 2004-03-30 2004-10-06 2
USGS 372312120481067 ACTTR1-3-4C TEMPRARY DRI 2004-03-30 2004-10-06 2
USGS 372312120481068 ACTTR1-3-5A TEMPRARY DRI 2003-03-30 2004-10-06 3
USGS 372312120481069 ACTTR1-3-5B TEMPRARY DRI 2004-03-30 2004-10-06 2
USGS 372312120481070 ACTTR1-3-5C TEMPRARY DRI 2004-03-30 2004-10-06 2
USGS 372312120481076 ACTTR1-4-2A TEMPRARY DRI 2004-04-01 2004-10-06 2
USGS 372312120481077 ACTTR1-4-2B TEMPRARY DRI 2004-04-01 2004-10-06 2
USGS 372312120481078 ACTTR1-4-2C TEMPRARY DRI 2004-04-01 2004-10-06 2
USGS 372312120481079 ACTTR1-4-3A TEMPRARY DRI 2004-04-01 2004-10-06 2
USGS 372312120481080 006S011E30B027M 2004-03-30 2004-10-07 3
USGS 372312120481081 006S011E30B026M 2004-03-30 2004-10-07 3
USGS 372312120481085 ACTTR1-4-4A TEMPRARY DRI 2004-04-01 2004-10-06 2
USGS 372312120481086 ACTTR1-4-4B TEMPRARY DRI 2004-04-01 2004-10-06 2
USGS 372312120481087 ACTTR1-4-4C TEMPRARY DRI 2004-04-01 2004-10-06 2
USGS 372312120481088 ACTTR1-4-5A TEMPRARY DRI 2004-04-01 2004-10-06 2
USGS 372312120481089 006S011E30B025M 2004-03-29 2004-10-07 3
USGS 372312120481090 006S011E30B024M 2004-03-29 2004-10-05 3
USGS 372312120481094 ACTTR1-4-6A TEMPRARY DRI 2004-04-01 2004-10-06 2
USGS 372312120481095 ACTTR1-4-6B TEMPRARY DRI 2004-04-01 2004-10-06 2
USGS 372312120481096 ACTTR1-4-6C TEMPRARY DRI 2004-04-01 2004-10-06 2
USGS 372312120481097 ACTTR1-4-7A TEMPRARY DRI 2004-04-01 2004-10-06 2
USGS 372312120481098 006S011E30B023M 2004-03-29 2004-10-05 3
USGS 372312120481099 006S011E30B022M 2004-03-29 2004-10-07 3
USGS 372312120481103 ACTTR1-4-8A TEMPRARY DRI 2004-04-01 2004-10-06 2
USGS 372312120481104 ACTTR1-4-8B TEMPRARY DRI 2004-04-01 2004-10-06 2
USGS 372312120481105 ACTTR1-4-8C TEMPRARY DRI 2004-04-01 2004-10-06 2
USGS 372312120481106 006S011E30B021M 2004-06-28 2004-10-05 2
USGS 372312120481107 006S011E30B020M 2004-06-28 2004-10-05 2
USGS 372312120481111 ACTTR1-5-1A TEMPRARY DRI 2004-03-30 2004-10-05 2
USGS 372312120481112 ACTTR1-5-1B TEMPRARY DRI 2004-03-30 2004-10-05 2
USGS 372312120481113 ACTTR1-5-1C TEMPRARY DRI 2004-03-30 2004-10-05 2
USGS 372312120481114 ACTTR1-5-2A TEMPRARY DRI 2004-03-30 2004-10-05 2
USGS 372312120481115 ACTTR1-5-2B TEMPRARY DRI 2004-03-30 2004-10-05 2
USGS 372312120481116 ACTTR1-5-2C TEMPRARY DRI 2004-03-30 2004-10-05 2
USGS 372312120481117 ACTTR1-5-3A TEMPRARY DRI 2004-03-30 2004-10-05 2
USGS 372312120481118 ACTTR1-5-3B TEMPRARY DRI 2004-03-30 2004-10-05 3
USGS 372312120481119 ACTTR1-5-3C TEMPRARY DRI 2004-03-30 2004-10-05 3
USGS 372312120481120 ACTTR1-5-4A TEMPRARY DRI 2004-03-30 2004-10-05 3
USGS 372312120481121 ACTTR1-5-4B TEMPRARY DRI 2004-03-30 2004-10-05 3
USGS 372312120481122 ACTTR1-5-4C TEMPRARY DRI 2004-03-30 2004-10-05 3
USGS 372312120481123 ACTTR1-5-5A TEMPRARY DRI 2004-03-29 2004-10-05 3
USGS 372312120481124 ACTTR1-5-5B TEMPRARY DRI 2004-03-29 2004-10-05 3
USGS 372312120481125 ACTTR1-5-5C TEMPRARY DRI 2004-03-29 2004-10-05 3
USGS 372314120481101 PRECIP COLLECTOR A BLUMFIELD SITE NR DELHI CA 2004-02-16 2004-03-25 3
USGS 372316120480701 MERCED R NR RIVER MILE 16 NR DELHI CA 2004-10-07 2007-10-12 4
USGS 372316120481001 006S011E30B002M 2003-05-13 2004-10-05 8
USGS 372316120481002 006S011E30B003M 2003-01-01 2004-10-05 5
USGS 372316120481003 006S011E30B004M 2003-01-01 2004-10-06 5
USGS 372316120481006 006S011E30B007M 2003-01-01 2004-10-06 5
USGS 372316120481007 006S011E30B008M 2003-10-30 2004-10-05 4
USGS 372316120481008 006S011E30B009M 2003-01-01 2003-10-30 3
USGS 372323120481700 HIGHLINE CN SPILL NR HILMAR CA 1994-02-08 2004-02-27 22
USGS 372333120480101 006S011E19Q001M 2003-01-01 2004-10-07 12
USGS 372333120480102 006S011E19Q002M 2003-10-27 2004-10-07 5
USGS 372333120480103 006S011E19Q003M 2003-10-27 2004-10-07 5
USGS 372333120480104 006S011E19Q004M 2003-01-01 2003-10-27 3
USGS 372338120474401 006S011E19J001M 1983-07-27 1985-06-27 3
USGS 372531120442901 006S011E10J001M 1957-08-23 1960-08-16 4
USGS 372538120402101 MERCED RIVER AT CRESSEY CA 2007-06-03 2007-10-12 3
USGS 372554120405601 006S012E08D002M 1959-06-12 1965-06-23 3
USGS 372559120395501 006S012E09D001M 1957-09-18 1960-08-31 3
USGS 372559120405601 006S012E08D001M 1959-06-11 1965-06-24 3
USGS 372600120330001 006S013E05K002M 2006-04-18 2006-04-18 3
USGS 372601120353601 006S013E06N001M 1957-07-08 1966-05-24 5
USGS 372623120414401 006S012E06L001M 1958-09-23 1966-05-24 7
USGS 372646120410401 006S012E06A001M 1994-09-08 2021-01-12 9
USGS 372658120402901 005S012E32Q001M 1960-08-31 1963-07-18 3
USGS 372825120361401 DRY C A TURLOCK RD NR WINTON CA 2002-12-16 2002-12-20 2
USGS 372842120382601 005S012E22P001M 1984-06-18 1984-06-18 1
USGS 372847120375401 005S012E22R001M 1983-07-26 1983-07-26 1
USGS 372900120310001 005S013E22A002M 2006-03-23 2006-03-23 3
USGS 372935120305601 005S013E14P001M 1983-07-26 1990-07-26 8
USGS 372944120314501 005S013E15L001M 1960-08-12 1965-06-22 2
USGS 372944120323701 005S013E16K001M 1959-07-10 1965-07-14 2
USGS 372956120282201 005S014E18K001M 1991-07-10 1993-08-31 3
USGS 373044120350801 005S013E07L001M 1986-07-14 1990-07-26 5
USGS 373059120222201 MERCED R BL SNELLING DIV DAM NR SNELLING CA 1994-09-23 1994-09-23 1
USGS 373100120191901 005S015E09A001M 2021-02-24 2021-02-24 4
USGS 373100120260001 005S014E04Q001M 2006-03-23 2006-03-23 3
USGS 373100120350001 005S013E07B001M 2006-04-06 2006-04-06 3
USGS 373108120261201 005S014E09B002M 1992-09-01 1993-08-31 2
USGS 373111120204301 005S015E08B001M 2020-11-17 2020-11-17 4
USGS 373113120234401 005S014E11A001M 1983-07-26 1990-07-26 8
USGS 373116120235701 005S014E02Q002M 1986-07-15 1993-08-31 8
USGS 373121120252001 005S014E03P001M 1960-08-12 1965-06-22 4
USGS 373200120270001 004S014E32P002M 2006-04-20 2006-04-20 3
USGS 373200120300001 004S013E35M001M 2006-05-02 2006-05-02 3
USGS 373225120313401 004S013E34P001M 1965-06-27 1965-06-27 1
USGS 373239120314201 004S013E34F001M 2020-10-21 2020-10-21 4
  group icon Stanislaus County, California
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 372206120504701 MERCED R A HAGAMAN CTY PARK NR IRWIN CA 1994-09-22 1994-09-22 1
USGS 372450120423300 MERCED R A MCCONNELL STATE PARK NR LIVINGSTON CA 1992-07-29 2002-07-17 5
USGS 373647120273801 004S014E05M001M 2021-03-08 2021-03-08 4