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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 -- 158 sites found


Hydrologic unit = 07090003
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 Carroll County, Illinois
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 420858089442001 25N 7E-19.6f2 1987-02-18 1987-02-18 1
USGS 420858089442101 25N 7E-19.6f1 1987-02-18 1987-02-18 1
  group icon Champaign County, Illinois
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 395447088072401 16N10E- 4.8h1 1987-07-15 1987-07-15 1
  group icon Clark County, Illinois
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 391935087531101 10N13W- 7.4c1 1987-08-26 1987-08-26 1
USGS 391935087531102 10N13W- 7.3c1 1987-08-26 1987-08-26 1
USGS 391935087531103 10N13W- 7.3c2 1987-08-26 1987-08-26 1
USGS 391935087531104 10N13W- 7.3c3 1987-08-26 1987-08-26 1
  group icon Coles County, Illinois
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 393231088224001 13N 7E-26.1d1 1987-07-09 1987-07-09 2
  group icon Cook County, Illinois
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 413020087313701 35N15E-20.2d1 1987-08-26 1987-08-26 1
  group icon Douglas County, Illinois
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 394754088000401 16N11E-31.4d1 1987-07-30 1987-07-30 3
USGS 394758087573101 16N14W-32.5a1 1987-07-30 1987-07-30 2
  group icon Dupage County, Illinois
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 414035087593001 38N11E-33.7h2 1987-08-21 1987-08-21 1
USGS 414035087593002 38N11E-33.7h1 1987-08-21 1987-08-21 1
USGS 414441087583901 38N11E-28.8a2 1987-08-17 1987-08-17 1
USGS 414441087583902 38N11E-28.8a1 1987-08-17 1987-08-17 1
USGS 414441088031101 38N10E-26.1b1 1987-08-18 1987-08-18 1
USGS 414458088013801 38N11E-30.6d1 1987-08-18 1987-08-18 1
USGS 414557088033701 38N10E-23.4e2 1987-08-18 1987-08-18 1
USGS 414557088033901 38N10E-23.4e1 1987-08-18 1987-08-18 1
  group icon Hardin County, Illinois
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 372808088095601 12S 9E-13.5c2 1987-07-08 1987-07-08 2
  group icon Jo Daviess County, Illinois
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 421225090141301 26N 2E-35.1g1 1987-08-19 1987-08-19 1
  group icon Knox County, Illinois
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 405728090080101 11N 3E-11.5g1 1987-07-09 1987-07-09 2
  group icon Mchenry County, Illinois
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 421934088123501 44N 9E- 5.4g1 1987-09-02 1987-09-02 1
  group icon Macon County, Illinois
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 395901088493201 18N 3E-26.2b1 1987-07-16 1987-07-16 1
  group icon Stephenson County, Illinois
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 05435500 PECATONICA RIVER AT FREEPORT, IL 1970-10-06 2021-12-07 375
USGS 05435600 YELLOW CREEK TRIBUTARY NEAR PEARL CITY, IL 1981-03-18 1981-03-18 1
USGS 05435680 YELLOW CREEK NEAR FREEPORT, IL 1979-04-11 1997-04-29 159
USGS 421331089442201 JANNSEN NO. 1 1980-08-29 1980-08-29 1
USGS 421556089494501 26N 6E- 8.2e1 1986-07-23 1986-07-23 1
USGS 421602089493201 26N 6E- 9.8f1 1986-07-23 1986-07-23 1
USGS 421658089235101 MELDORF 1980-08-20 1980-08-20 1
USGS 421744089394201 27N 7E-35.5e1 1985-07-23 1985-07-23 1
USGS 421759089444001 27N 7E-31.7h2 1987-08-19 1987-08-19 1
USGS 421806089414401 27N 7E-28.1a 1991-03-28 2000-10-26 4
USGS 421813089373601 27N 8E-30.6b1 1986-02-27 1988-02-22 3
USGS 421813089373901 27N 8E-30.7b 1985-07-09 1992-06-16 13
USGS 421814089374801 27N 8E-30.8b1 1986-02-27 1988-02-22 4
USGS 421825089374401 27N 8E-30.7d2 1986-02-27 1987-11-02 3
USGS 421826089374301 27N 8E-30.7d3 1984-06-14 2000-11-03 16
USGS 421826089374401 27N 8E-30.7d1 1985-12-09 1988-02-22 5
USGS 421839089313601 27N 8E-25.5e1 1986-07-24 1986-07-24 1
USGS 421839089313602 27N 8E-25.5e2 1986-07-24 1986-07-24 1
USGS 421952089382701 27N 7E-13.4a1 1985-07-23 1985-07-23 1
USGS 422236089380501 28N 7E-36.1b1 1986-07-23 1986-07-23 1
USGS 422238089492001 28N 6E-33.6b1 1986-07-16 1986-07-16 1
USGS 422245089382001 28N 7E-36.3c1 1985-07-09 1985-07-09 1
USGS 422249089494001 28N 6E-33.8e2 1986-07-16 1986-07-16 1
USGS 422316089314701 28N 8E-36.6h1 1987-09-01 1987-09-01 1
USGS 422317089313001 28N 8E-36.5h1 1985-07-24 1985-07-24 1
USGS 422445089282001 28N 9E-21.7e1 1987-09-01 1987-09-01 1
USGS 422451089280701 28N 9E-21.5f1 1985-07-09 1985-07-09 1
USGS 422524089493301 28N 6E-16.7e1 1985-09-05 1985-09-05 1
USGS 422526089245001 28N 9E-13.7c2 1987-09-01 1987-09-01 1
USGS 422526089245101 28N 9E-13.7c1 1985-06-12 1985-06-12 1
USGS 422606089434501 MCCONNELL NO. 1 1980-08-29 1980-08-29 1
USGS 422755089382201 29N 7E-36.3e1 1985-07-09 1985-07-09 1
USGS 422806089382201 29N 7E-36.3e2 1987-09-01 1987-09-01 1
USGS 422931089473201 29N 6E-22.2b1 1985-07-23 2013-12-09 3
  group icon Tazewell County, Illinois
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 402941089390901 24N 5W-27.4a2 1987-08-07 1990-05-09 2
  group icon Will County, Illinois
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 413030088033101 35N10E-23.8h1 1987-08-12 1987-08-12 1
USGS 413123087503201 35N12E-10.5d1 1987-07-31 1987-07-31 1
USGS 413140088015801 35N10E-13.5g1 1987-07-21 1987-07-21 1
USGS 413143087531101 35N12E- 8.8a1 1987-07-31 1987-07-31 2
USGS 413154088022901 35N10E-12.7d2 1987-08-12 1987-08-12 1
USGS 413224087504201 35N12E-10.7f1 1987-07-31 1987-07-31 1
USGS 413313088072601 36N10E-31.2b1 1987-07-13 1988-02-29 2
USGS 413344088081901 36N10E-31.7f1 1987-07-13 1987-07-13 1
USGS 413350088074201 36N10E-31.3g1 1987-07-13 1987-07-13 1
USGS 413623088044401 36N10E-16.4d1 1987-07-20 1987-07-20 1
USGS 413623088044402 36N10E-15.8f1 1987-07-20 1987-07-20 1
USGS 413623088044403 36N10E-15.7e1 1987-07-20 1987-07-20 1
USGS 413651088021401 36N10E-12.6a1 1987-07-16 1987-07-16 1
USGS 413717088012001 36N11E- 7.6e1 1987-07-23 1987-07-23 1
USGS 413724088012001 36N11E- 7.6f1 1987-07-23 1987-07-23 1
USGS 413823088001401 36N11E- 5.7h1 1987-07-17 1987-07-17 1
USGS 414223088022001 37N10E-12.5d1 1987-07-22 1987-07-22 1
USGS 414223088023701 37N10E-12.6d1 1987-07-22 1987-07-22 1
USGS 414245088024401 37N10E-12.7h1 1987-07-22 1987-07-22 1
USGS 414302088032701 37N10E- 2.3b2 1987-07-22 1987-07-22 1
USGS 414303088032701 37N10E- 2.3b1 1987-07-22 1987-07-22 1
  group icon Winnebago County, Illinois
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 05435800 PECATONICA RIVER AT HARRISON, IL 1977-10-04 1997-04-29 218
USGS 05437400 RACCOON CREEK NEAR ROCKTON, IL 2007-06-13 2007-07-25 2
USGS 421713089211501 26N10E- 4.7g1 1986-05-15 1987-10-27 3
USGS 421832089213301 27N10E-28.8c1 1986-04-16 1986-04-23 2
USGS 421834089213501 27N10E-29.1d1 1986-04-16 2017-06-27 13
USGS 422545089103301 FAULKNER 1979-08-23 1979-08-23 1
USGS 422738089114601 KOCH 1979-08-23 1979-08-23 1
  group icon Dane County, Wisconsin
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 05432923 LEE VALLEY CREEK @ TYVAND ROAD NEAR NEW GLARUS, WI 2010-05-25 2010-08-24 3
USGS 425327089481801 DN-05/06E/20-0375 1959-09-03 1959-09-03 1
USGS 430100089495301 DN-06/06E/07-0487 1970-03-12 1970-03-12 1
  group icon Green County, Wisconsin
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 05434235 SKINNER CREEK AT SKINNER HOLLOW RD NEAR MONROE, WI 1979-11-26 1981-09-10 10
USGS 05434240 SKINNER CREEK AT KLONDYKE RD NEAR MONROE, WI 1979-11-27 2002-10-13 19
USGS 05434500 PECATONICA RIVER AT MARTINTOWN, WI 1970-03-12 2003-10-16 214
USGS 423345089475101 GN-01/06E/04-0014 1945-02-20 1966-08-03 3
USGS 423432089431101 GN-01/07E/07-0055 1970-03-12 1970-03-12 1
USGS 423442089494201 GN-01/06E/07-0016 1970-03-31 1980-08-27 2
USGS 423553089390601 GN-02/07E/34-0008 1945-02-20 1966-06-22 5
USGS 423555089362401 GN-02/07E/36-0041 1980-08-26 1980-08-26 1
USGS 423600089391601 GN-02/07E/34-0006 1945-02-20 1967-08-30 3
USGS 423600089391602 GN-02/07E/34-0007 1945-02-20 1967-08-30 3
USGS 423601089391401 GN-02/07E/34-0005 1945-02-20 1966-06-22 2
USGS 423634089381001 GN-02/07E/35-0009 1955-09-01 1966-08-23 3
USGS 423723089392601 GN-02/07E/27-0010 1962-05-22 1980-08-26 2
USGS 423751089462801 GN-02/06E/22-0033 1980-08-26 1980-08-26 1
USGS 424026089485701 GN-02/06E/05-0032 1980-08-27 1980-08-27 1
  group icon Iowa County, Wisconsin
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 05432055 LIVINGSTON BR PECATONICA RIVER NEAR LIVINGSTON, WI 1987-07-30 1991-10-01 214
USGS 05432140 MINERAL POINT BRANCH NEAR DODGEVILLE, WI 2001-05-23 2001-10-16 6
USGS 054322653 BREWERY CR TRIB-UPSTREAM SITE-NR MINERAL POINT, WI 2004-09-15 2007-09-17 93
USGS 054322655 BREWERY CR TRB-DOWNSTREAM SITE-NR MINERAL POINT,WI 2004-09-15 2007-09-17 101
USGS 05432280 BREWERY CREEK NEAR MINERAL POINT, WI 1979-09-11 1979-11-20 3
USGS 05432695 RIDGEWAY BRANCH NEAR HOLLANDALE, WI 2006-10-03 2016-08-22 523
USGS 425133090103201 IW-05/03E/31-0138 1945-02-08 1945-02-08 1
USGS 425133090103202 IW-05/03E/31-0139 1945-02-08 1976-05-25 3
USGS 425145090111301 IW-05/03E/31-0012 1947-07-09 1976-07-01 7
USGS 425219089555501 IW-05/05E/29-0016 1953-01-15 1966-08-01 2
USGS 425220089545801 IW-05/05E/28-0125 1970-04-01 1970-04-01 1
USGS 425235090235301 IW-05/01E/29-0148 1976-05-25 1976-05-25 1
USGS 425318090074000 DISCOVERY FARMS WATERWAY NO. 1 NR MINERAL POINT,WI 2004-07-16 2007-03-13 28
USGS 425515090162401 IW-05/02E/08-0011 1945-02-08 1976-05-25 4
USGS 425548090235001 IW-05/01E/05-0044 1976-05-24 1976-05-24 1
USGS 425709090215501 IW-06/01E/34-0240 1991-03-21 1991-07-24 2
USGS 425712090074501 IW-06/03E/34-0050 1961-08-18 1962-11-12 3
USGS 425727090081401 IW-06/03E/33-0045 1958-10-28 1966-06-30 9
USGS 425734090064001 IW-06/03E/35-0009 1958-01-27 1958-01-27 1
USGS 425745090073501 IW-06/03E/27-0008 1958-01-27 1961-09-06 2
USGS 425749090081801 IW-06/03E/28-0026 1945-01-24 1966-06-30 3
USGS 425749090081901 IW-06/03E/28-0024 1957-05-14 1958-01-27 2
USGS 425806090194301 IW-06/01E/25-0005 1947-12-10 1966-06-28 4
USGS 425813090080001 IW-06/03E/28-0007 1949-08-16 1950-03-06 4
USGS 425930089585200 STP OUTFALL AT RIDGEWAY, WI 2009-12-17 2014-08-19 24
USGS 425954089593001 IW-06/04E/14-0014 1954-03-10 1966-07-25 2
USGS 430055089534001 IW-06/05E/10-0004 1949-11-08 1980-07-18 3
  group icon Lafayette County, Wisconsin
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 05432350 BONNER BRANCH SITE 1 AT BELMONT, WI 1977-10-18 1977-10-18 1
USGS 05432352 BONNER BRANCH SITE 3 AT BELMONT, WI 1977-10-18 1977-10-18 1
USGS 05432500 PECATONICA RIVER AT DARLINGTON, WI 1965-05-09 1994-08-25 204
USGS 05433000 EAST BRANCH PECATONICA RIVER NR BLANCHARDVILLE, WI 1965-03-02 2002-10-13 148
USGS 05433500 YELLOWSTONE RIVER NEAR BLANCHARDVILLE, WI 1960-01-12 1978-03-21 51
USGS 05433510 STEINER BRANCH NEAR WALDWICK, WI 1977-10-27 1979-10-04 174
USGS 423340090012001 LF-01/04E/09-0295 1935-01-01 1935-01-01 1
USGS 423410089524501 LF-01/05E/10-0300 1935-01-01 1935-01-01 1
USGS 423413089524601 LF-01/05E/10-0072 1945-02-20 1966-08-04 3
USGS 423445090012201 LF-01/04E/09-0069 1945-02-27 1966-08-04 4
USGS 423813089570901 LF-02/05E/19-0073 1949-08-24 1966-08-04 2
USGS 423856089512601 LF-02/05E/14-0296 1970-03-31 1970-03-31 1
USGS 424007090070001 LF-02/03E/03-0074 1981-08-19 1981-08-19 1
USGS 424045090071801 LF-02/03E/03-0016 1935-01-01 1966-08-02 3
USGS 424055090070001 LF-02/03E/10-0292 1965-09-30 1980-08-27 4
USGS 424126090063601 LF-03/03E/35-0017 1955-11-10 1966-08-02 3
USGS 424204089515601 LF-03/05E/26-0008 1945-08-07 1966-08-01 3
USGS 424204089520701 LF-03/05E/26-0005 1935-01-01 1966-08-01 3
USGS 424206089515401 LF-03/05W/26-0303 1981-08-19 1981-08-19 1
USGS 424407090200001 LF-03/01E/14-0071 1950-02-28 1980-08-26 4
USGS 424410090200001 LF-03/01E/14-0301 1935-01-01 1945-01-24 2
USGS 424514090064601 LF-03/03E/10-0298 1970-03-31 1970-03-31 1
USGS 424615089581801 LF-03/04E/01-0307 1976-05-24 1976-05-24 1
USGS 424620089590001 LF-04/04E/35-0078 1970-03-12 1970-03-12 1
USGS 424833089514901 LF-04/05E/23-0070 1935-01-01 1966-08-03 3
  group icon Rock County, Wisconsin
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 423131089090001 RO-01/11E/26-0307 1970-03-10 1970-03-10 1