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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 -- 120 sites found


Hydrologic unit = 12040102
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 Grimes County, Texas
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 301542095501100 KW-60-42-801 1927-11-27 1927-11-27 1
USGS 301612095500300 KW-60-42-804 1970-11-13 1970-11-13 1
USGS 301629095502500 KW-60-42-702 1942-11-27 1942-11-27 1
USGS 301700095500700 KW-60-42-805 1971-01-14 1971-01-14 1
USGS 301741095504800 KW-60-42-402 1942-11-27 1942-11-27 1
USGS 301744095505700 KW-60-42-403 1970-11-14 1970-11-14 1
USGS 301944095513900 KW-60-42-404 1942-11-27 1942-11-27 1
  group icon Harris County, Texas
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 08068325 Willow Ck nr Tomball, TX 2000-05-20 2001-03-28 4
USGS 08068520 Spring Ck at Spring, TX 1983-08-18 1996-08-13 81
USGS 08068720 Cypress Ck at Katy-Hockley Rd nr Hockley, TX 2000-04-19 2000-06-05 3
USGS 08068740 Cypress Ck at House-Hahl Rd nr Cypress, TX 1977-01-25 2000-09-15 59
USGS 08068750 Cypress Ck nr Cypress, TX 1970-12-04 1976-09-01 23
USGS 08068780 Little Cypress Ck nr Cypress, TX 2000-05-23 2000-05-23 1
USGS 08068800 Cypress Ck at Grant Rd nr Cypress, TX 2000-07-25 2000-09-14 2
USGS 08068900 Cypress Ck at Stuebner-Airline Rd nr Westfield, TX 2001-03-29 2001-03-29 1
USGS 08069000 Cypress Ck nr Westfield, TX 1962-10-02 2008-09-16 215
USGS 08069200 Cypress Ck nr Humble, TX 1970-10-21 1983-05-12 47
USGS 295720095390801 LJ-65-03-612 1982-04-15 1982-04-15 1
USGS 295745095381301 LJ-65-03-308 1985-02-14 1985-02-14 1
USGS 295752095501801 LJ-65-02-104 1974-10-17 1986-07-23 2
USGS 295754095225601 LJ-65-05-301 1983-08-24 1983-08-24 1
USGS 295814095415302 LJ-65-03-206 1984-08-09 1984-08-09 1
USGS 295819095383401 LJ-65-03-309 1985-02-14 1985-02-14 1
USGS 295842095430201 LJ-65-03-101 1985-04-05 1985-04-05 2
USGS 295854095400301 LJ-65-03-208 1987-06-24 1987-06-24 1
USGS 295922095393501 LJ-65-03-304 1989-07-31 1989-07-31 1
USGS 295924095353201 LJ-65-04-102 1987-06-24 1987-06-24 2
USGS 295934095451801 LJ-65-02-311 1990-04-23 1990-04-23 1
USGS 295953095420101 LJ-65-03-209 1989-07-31 1989-07-31 1
USGS 295957095460903 LJ-65-02-314 1996-08-23 1996-08-23 1
USGS 300007095354701 LJ-60-60-712 2014-08-05 2014-08-05 3
USGS 300011095251801 LJ-60-61-843 2003-11-23 2003-12-17 7
USGS 300036095400101 LJ-60-59-806 2003-11-14 2011-01-24 9
USGS 300043095422501 LJ-60-59-803 1985-03-05 1985-03-05 2
USGS 300044095312001 LJ-60-60-925 2003-12-02 2015-02-11 6
USGS 300056095204301 LJ-60-62-715 1989-08-02 1989-08-02 1
USGS 300108095254602 LJ-60-61-833 1987-06-24 1988-11-02 2
USGS 300108095305501 LJ-60-60-913 1983-08-22 1983-08-22 1
USGS 300108095505401 LJ-60-58-703 1984-08-17 1984-08-17 1
USGS 300125095504701 LJ-60-58-710 1985-02-25 1985-02-25 1
USGS 300136095280501 LJ-60-61-718 1983-08-23 1983-08-23 1
USGS 300142095263501 LJ-60-61-827 1983-08-25 1983-08-25 1
USGS 300155095200201 LJ-60-62-717 2003-11-19 2003-12-20 6
USGS 300215095470801 LJ-60-58-904 1985-02-25 1985-02-25 1
USGS 300227095274201 LJ-60-61-717 1983-08-30 1983-08-30 1
USGS 300229095402901 LJ-60-59-804 1985-03-01 1985-03-01 1
USGS 300234095283001 LJ-60-61-408 1987-06-22 1988-11-02 2
USGS 300238095300101 LJ-60-60-607 1985-04-04 1985-04-04 1
USGS 300239095431101 LJ-60-59-404 2002-09-11 2014-08-04 4
USGS 300248095311701 LJ-60-60-606 1984-08-23 1985-02-07 2
USGS 300252095203501 LJ-60-62-402 1974-11-20 1983-09-02 2
USGS 300257095252902 LJ-60-61-525 1983-08-25 1983-08-25 1
USGS 300319095244101 LJ-60-61-616 1984-07-24 1984-07-24 1
USGS 300333095291701 LJ-60-61-417 2003-11-20 2015-04-07 13
USGS 300345095245201 LJ-60-61-617 1984-07-25 1984-07-25 1
USGS 300351095232601 LJ-60-61-621 2003-03-28 2015-04-07 6
USGS 300400095423901 LJ-60-59-403 1990-05-10 1990-05-10 1
USGS 300420095293701 LJ-60-61-409 1983-08-23 1983-08-23 1
USGS 300446095274401 LJ-60-61-405 1984-08-20 1984-08-20 2
USGS 300447095405901 LJ-60-59-504 1985-02-19 1985-02-19 1
USGS 300449095480101 LJ-60-59-505 1985-02-19 1985-02-19 1
USGS 300450095250501 LJ-60-61-504 1935-03-31 1935-03-31 1
USGS 300456095245601 LJ-60-61-605 1984-07-25 1984-07-25 1
USGS 300457095245801 LJ-60-61-601 1984-07-25 1984-07-25 1
USGS 300503095260001 LJ-60-61-213 2002-09-10 2014-07-29 4
USGS 300503095260101 LJ-60-61-208 2002-09-10 2002-09-10 1
USGS 300514095295901 LJ-60-61-105 2014-07-29 2014-07-29 3
USGS 300519095242601 LJ-60-61-308 2002-08-29 2009-06-16 4
USGS 300520095302901 LJ-60-60-301 1984-08-08 1984-08-08 1
USGS 300521095365101 LJ-60-60-103 1957-07-16 1989-07-28 2
USGS 300524095370701 LJ-60-60-110 1989-07-28 1989-07-28 1
USGS 300531095295901 LJ-60-61-103 2002-07-22 2002-07-22 1
USGS 300538095335101 LJ-60-60-205 1984-08-06 1984-08-06 1
USGS 300551095365701 LJ-60-60-101 1989-07-28 1989-07-28 1
USGS 300555095332601 LJ-60-60-206 1990-05-02 1996-08-27 2
USGS 300559095390701 LJ-60-59-311 1984-08-30 1984-08-30 1
USGS 300559095390702 LJ-60-59-312 1984-08-30 1987-06-22 3
USGS 300646095384002 LJ-60-59-326 1989-09-27 1989-09-27 1
USGS 300700095363701 LJ-60-60-111 1990-05-02 1990-05-02 1
USGS 300714095325101 LJ-60-60-204 1983-08-22 1983-08-22 1
  group icon Montgomery County, Texas
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 08068275 Spring Ck nr Tomball, TX 1999-09-09 2001-04-18 12
USGS 08068390 Bear Br at Research Blvd, The Woodlands, TX 1999-03-02 2001-04-18 16
USGS 08068400 Panther Br at Gosling Rd, The Woodlands, TX 1974-03-20 2001-04-18 33
USGS 08068450 Panther Br nr Spring, TX 1972-05-02 2001-04-10 85
USGS 08068500 Spring Ck nr Spring, TX 1962-10-01 2023-12-22 269
USGS 300544095231501 TS-60-61-308 2014-07-30 2014-07-30 4
USGS 300651095225401 TS-60-61-304 1966-08-26 1966-08-26 1
USGS 300658095443101 TS-60-59-102 2008-09-04 2008-09-04 4
USGS 300717095463601 TS-60-58-303 2014-08-04 2014-08-04 3
USGS 300729095261901 TS-60-61-201 1966-08-26 1966-08-26 1
USGS 300743095354001 TS-60-52-709 2014-07-28 2014-07-28 3
USGS 300754095390601 TS-60-51-901 1942-10-09 1942-10-09 1
USGS 300811095291701 TS-60-53-704 1966-08-26 1966-08-26 1
USGS 300824095274702 TS-60-53-720 (Woodlands Piezometer No. 1-B) 2008-03-13 2008-03-13 3
USGS 300824095274703 TS-60-53-719 (Woodlands Piezometer No. 1-C) 2008-03-12 2008-03-12 3
USGS 300825095262801 TS-60-53-809 1966-08-25 1966-08-25 1
USGS 300825095274801 TS-60-53-725 2003-11-22 2003-12-30 5
USGS 300840095265401 TS-60-53-808 1966-08-25 1966-08-25 1
USGS 300849095412601 TS-60-51-811 2008-09-04 2011-04-18 5
USGS 300849095415701 TS-60-51-814 2008-09-04 2011-04-18 4
USGS 300853095412701 TS-60-51-809 2008-09-04 2011-04-18 4
USGS 300912095273301 TS-60-53-706 1931-06-02 1931-06-02 1
USGS 300922095271401 TS-60-53-833 2015-03-17 2015-03-17 1
USGS 300926095353601 TS-60-52-703 1966-05-17 1966-05-17 1
USGS 300958095261201 TS-60-53-806 1931-06-02 1931-06-02 1
USGS 301006095404801 TS-60-51-502 1942-10-09 1942-10-09 1
USGS 301008095302901 TS-60-52-610 2003-11-21 2007-01-31 10
USGS 301008095302902 TS-60-52-614 2015-03-10 2015-03-10 1
USGS 301023095350301 TS-60-52-4xx (Catahoula well) 2012-03-13 2012-03-13 1
USGS 301023095350302 TS-60-52-4xx (Catahoula well2) 2012-03-15 2012-03-15 1
USGS 301057095421901 TS-60-51-599 2008-09-05 2011-04-21 5
USGS 301130095403801 TS-60-51-505 1966-12-08 1966-12-08 1
USGS 301143095434501 TS-60-51-403 1942-10-09 1942-10-09 1
USGS 301220095305503 TS-60-52-611 2003-11-24 2015-03-17 10
USGS 301233095450101 TS-60-50-302 1942-06-22 1966-12-15 2
USGS 301612095450901 TS-60-42-902 2008-08-01 2008-08-01 3
  group icon Waller County, Texas
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 295615095583900 YW-65-01-405 1947-08-12 1947-08-12 1
USGS 295618095574100 YW-65-01-503 1949-06-07 1949-06-07 1
USGS 295818095555900 YW-65-01-202 1966-02-22 1966-02-22 1
USGS 300714095493401 YW-60-58-205 2002-09-04 2014-07-28 4