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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 -- 200 sites found


Hydrologic unit = 02040207
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 Kent County, Delaware
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 01483348 MILL CREEK NEAR SMYRNA, DE 1974-04-17 1980-09-17 12
USGS 01483500 LEIPSIC RIVER NEAR CHESWOLD, DE 1959-02-06 2004-06-14 19
USGS 01483620 MORGAN BRANCH NEAR DOVER, DE 2000-04-03 2000-04-03 1
USGS 01483655 FORK BRANCH NEAR DOVER, DE 1991-02-28 1991-02-28 1
USGS 01483666 Penrose B nr Pearsons Corner, DE 2004-05-17 2004-06-01 4
USGS 01483675 CAHOON BRANCH AT DOVER, DE 1974-04-18 1980-09-15 13
USGS 01483680 MAIDSTONE BRANCH AT DUPONT, DE 1965-08-09 1971-04-26 6
USGS 01483700 ST JONES RIVER AT DOVER, DE 1959-03-09 1991-03-01 292
USGS 01483720 PUNCHEON BRANCH AT DOVER, DE 1991-06-12 1991-06-12 1
USGS 01483990 Black Swamp C nr Mastens Corner, DE 2004-04-22 2004-06-16 4
USGS 01484000 MURDERKILL RIVER NEAR FELTON, DE 1973-12-18 2022-09-30 124
USGS 01484020 BROWNS BRANCH NEAR HOUSTON, DE 1965-08-10 1971-04-27 7
USGS 01484036 Hudson B at Canterbury, DE 2004-04-22 2004-06-16 4
USGS 01484050 PRATT BRANCH NEAR FELTON, DE 1965-08-10 2004-06-18 28
USGS 01484060 DOUBLE RUN NEAR MAGNOLIA, DE 1965-10-04 1971-04-28 7
USGS 01484080 MURDERKILL RIVER AT FREDERICA, DE 2015-03-17 2015-04-07 2
USGS 01484100 BEAVERDAM BRANCH AT HOUSTON, DE 1973-12-26 2021-09-30 149
USGS 01484125 TANTROUGH BRANCH AT MILFORD, DE 1974-05-17 1974-07-31 2
USGS 01484134 LEDNUM BRANCH AT MILFORD, DE 1974-05-17 1974-07-31 2
USGS 01484135 HAVEN LAKE AT MILFORD, DE 1974-05-17 1974-07-31 2
USGS 01484137 COPPER BRANCH AT MILFORD, DE 1974-05-17 1974-07-31 2
USGS 01484145 PRESBYTERIAN BRANCH AT MILFORD, DE 1974-04-19 1974-08-20 6
USGS 01484146 SILVER LAKE AT MILFORD, DE 1974-05-17 1974-07-31 2
USGS 01484147 NORTH SILVER LAKE OUTLET AT MILFORD, DE 1974-05-17 1974-07-31 2
USGS 01484149 SOUTH SILVER LAKE OUTLET AT MILFORD, DE 1974-05-17 1974-07-31 2
USGS 385327075315101 Md24-03 1970-08-04 1970-08-04 1
USGS 385448075341801 Md11-04 2000-08-23 2019-05-22 6
USGS 385713075253701 Le35-11 1988-06-29 2001-06-27 3
USGS 385713075253702 Le35-12 1988-06-29 1988-06-29 2
USGS 385715075253001 14D-R 2013-07-18 2013-07-18 3
USGS 385730075321401 Ld33-10 2014-12-01 2019-10-30 2
USGS 385817075265101 Le24-11 2001-07-11 2023-08-07 7
USGS 385956075303801 Lb15-17 2014-12-11 2019-10-15 4
USGS 390001075380101 Lc12-02 2014-12-08 2019-10-30 2
USGS 390115075365801 Kc44-02 1989-11-15 1989-11-15 2
USGS 390209075331800 Kd32-03 1981-06-16 1981-06-16 1
USGS 390252075271301 Ke33-22 2014-12-11 2019-10-15 2
USGS 390409075311301 Kd13-09 2014-12-08 2019-10-10 4
USGS 390505075353901 10D-R 2013-08-28 2013-08-28 3
USGS 390538075325101 DE-KE 187731 2018-11-19 2018-11-19 3
USGS 390544075300501 Jd55-10 2014-12-16 2019-10-10 4
USGS 390607075331500 Jd42-14 1981-06-16 1981-06-16 1
USGS 390619075302301 Jd45-06 1974-05-01 1976-02-09 2
USGS 390652075361801 ALLABANDS MILL STREAM NR WYOMING, DE 1995-05-22 1995-05-22 1
USGS 390652075370701 Jc43-05 2000-10-26 2008-08-05 2
DE002 390703075371801 Jc33-12 2018-10-17 2018-10-17 3
USGS 390705075263201 Je34-04 2014-12-16 2019-10-15 2
USGS 390705075281701 Je32-02 1947-05-27 1952-01-26 2
USGS 390715075364401 ISAAC BRANCH NEAR WYOMING, DE 1995-05-22 1995-05-22 1
USGS 390724075352101 ISAAC BRANCH AT WYOMING, DE 1995-05-22 1995-05-22 1
USGS 390724075352102 IB1-C-GW 1995-05-22 1995-05-22 1
USGS 390729075315902 PI 24-3 2012-08-09 2012-08-20 5
USGS 390738075285801 Je32-03 1966-04-14 1976-02-09 8
USGS 390751075283701 Je32-01 1947-05-27 1952-01-26 2
USGS 390755075300301 Jd35-02 1943-01-01 1943-01-01 1
USGS 390844075300701 Jd25-01 1961-12-29 1961-12-29 1
USGS 390902075290101 Je12-01 1975-07-22 1975-07-22 1
USGS 390914075311001 Jd14-16 1976-10-13 1976-10-13 1
USGS 390917075291701 DOVER USGS OFFICE RAIN COLLECTOR 2020-01-05 2024-01-02 72
USGS 391021075323601 Id53-06 1976-12-21 1977-01-14 2
USGS 391039075325501 Id53-05 1973-03-20 1987-09-02 2
USGS 391060075282801 Ie42-03 2000-08-29 2018-08-15 5
USGS 391112075380001 Ic43-01 2014-12-12 2019-10-21 4
USGS 391200075313801 MUDDY BRANCH NEAR DOVER, DE 2000-03-27 2000-03-27 1
USGS 391207075341101 Id31-11 1970-06-22 1970-06-22 1
USGS 391210075340901 Id31-26 1970-03-24 1970-03-24 1
USGS 391232075285401 Ie32-02 2014-12-17 2019-10-24 2
USGS 391324075391901 Ic21-08 2014-12-12 2019-10-21 4
USGS 391354075344301 ALSTON BRANCH NEAR CHESWOLD, DE 2000-04-03 2000-04-03 1
USGS 391406075413601 RAS-35 2015-07-16 2015-07-16 1
USGS 391503075310401 Id14-03 2014-12-17 2019-10-24 4
USGS 391549075353701 Hc55-14 1974-06-20 1974-06-20 1
USGS 391721075381701 Hc32-15 1954-08-20 1954-08-20 1
USGS 391727075411901 RAS-3 2015-08-20 2015-08-20 1
USGS 391747075364202 Hc34-03 2000-10-16 2018-09-25 5
USGS 391804075305101 Hd14-01 1989-06-14 1989-06-14 2
  group icon New Castle County, Delaware
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 01483300 PROVIDENCE CREEK AT CLAYTON, DE 1955-10-05 1991-06-06 2
USGS 391734075401101 RAS-53 2015-07-16 2015-07-16 1
USGS 391857075354701 RAS-49 2015-06-23 2015-06-23 1
USGS 391903075421201 RAS-6 2015-08-18 2015-08-18 1
USGS 391906075420101 RAS-31 2015-06-24 2015-06-24 1
USGS 391914075353401 RAS-51 2015-07-09 2015-07-09 1
USGS 391919075395701 Hc11-11 1996-08-01 1996-08-01 1
USGS 391923075371101 Hc13-02 1996-09-10 1996-09-10 1
USGS 391936075363201 Hc14-15 1996-07-31 2019-12-04 3
USGS 391953075361201 Hc14-03 1996-08-13 1996-08-13 1
USGS 392013075353501 RAS-8 2015-07-30 2015-07-30 1
USGS 392119075353101 RAS-47 2015-07-28 2015-07-28 1
USGS 392158075364701 Gc44-07 1996-07-31 1996-07-31 1
USGS 392212075324201 Gd33-04 1970-09-14 1970-09-14 1
USGS 392212075362001 RAS-12 2015-07-29 2015-07-29 1
USGS 392301075320501 RAS-11 2015-06-11 2015-06-11 1
USGS 392312075342201 RAS-22 2015-06-10 2015-06-10 1
  group icon Sussex County, Delaware
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 01484142 BOWMAN BRANCH AT MILFORD, DE 1974-05-17 1974-07-31 2
USGS 01484143 HAVEN LAKE OUTLET AT MILFORD, DE 1974-03-26 1974-08-20 7
USGS 01484200 CEDAR CREEK NEAR LINCOLN, DE 1964-09-28 1964-09-28 1
USGS 01484240 PEMBERTON BRANCH NEAR MILTON, DE 1965-07-24 1971-04-27 4
USGS 01484270 BEAVERDAM CREEK NEAR MILTON, DE 1965-07-24 1980-09-12 63
USGS 01484300 SOWBRIDGE BRANCH NEAR MILTON, DE 1957-11-01 1978-08-22 47
USGS 01484310 SEEPS TO PRIME HOOK CR. NR. MILTON, DE 2001-05-16 2001-08-23 2
USGS 384138075230201 Of42-01 1956-02-13 1956-02-13 1
USGS 384139075230101 Georgetown 1 2000-08-23 2018-08-29 5
USGS 384243075191201 Og31-01 1969-03-26 1969-03-26 1
USGS 384333075222901 Of23-03 1996-09-12 1996-09-12 1
USGS 384333075222902 Of23-02 1996-09-12 1996-09-12 2
USGS 384338075222303 Of23-01 1993-11-15 1996-09-12 2
USGS 384338075222601 E-14 1993-04-08 1993-04-08 1
USGS 384341075223801 Of23-05 1996-09-17 1996-09-17 1
USGS 384341075223802 Of23-06 1996-09-10 1996-09-10 1
USGS 384341075223803 Of23-04 1996-09-10 1996-09-10 1
USGS 384341075230001 Of22-11 1993-11-17 1996-09-10 2
USGS 384341075230003 Of22-10 1993-11-17 1996-09-10 2
USGS 384343075230401 Of22-04 1996-09-18 1996-09-18 1
USGS 384343075230402 Of22-02 1996-09-18 1996-09-18 1
USGS 384343075230403 Of22-03 1996-09-18 1996-09-18 1
USGS 384344075230102 Of22-09 1996-09-10 1996-09-10 1
USGS 384345075225101 Of23-11 2000-07-11 2000-07-11 1
USGS 384345075225102 Of23-12 2000-07-11 2000-07-11 1
USGS 384345075225103 Of23-13 2000-07-11 2000-07-11 1
USGS 384351075225601 E-7 1993-04-08 1993-04-08 1
USGS 384356075224901 Of23-10 1993-11-19 1993-11-19 1
USGS 384401075224901 Of13-03 1993-11-19 1996-09-16 2
USGS 384401075224903 Of13-01 1993-11-19 1996-09-16 2
USGS 384402075225002 Of13-02 1996-09-16 1996-09-16 1
USGS 384406075224601 Of13-08 1996-09-16 1996-09-16 1
USGS 384406075224602 Of13-10 1996-09-16 1996-09-16 1
USGS 384406075224603 Of13-09 1996-09-16 1996-09-16 1
USGS 384411075150101 Og15-07 2014-11-04 2019-11-06 2
USGS 384428075135501 Oh12-07 2008-11-13 2018-10-31 4
USGS 384448075091001 Oi11-01 1944-05-16 1944-05-16 1
USGS 384458075090901 Oi11-02 1944-05-16 1944-05-16 1
USGS 384458075230601 Of12-01 1989-06-28 1989-06-28 2
USGS 384458075230602 Of12-02 1989-06-28 1989-06-28 2
USGS 384503075155501 Ng55-04 1970-12-09 1970-12-09 1
USGS 384504075090401 Ni51-15 1944-05-16 1944-05-16 1
USGS 384514075090101 Ni51-25 1977-03-18 1977-03-18 1
USGS 384514075090301 Ni51-03 1944-10-24 1944-10-31 3
USGS 384516075090501 Ni51-17 1945-10-04 1956-02-23 2
USGS 384518075090701 Ni51-16 1956-02-23 1956-02-23 1
USGS 384524075091602 Ni51-31 1985-08-22 1987-02-05 7
USGS 384526075091601 Ni51-32 2000-08-17 2019-05-14 35
USGS 384530075121101 Nh53-01 2000-10-24 2000-10-24 1
USGS 384536075084702 Ni52-04 1954-05-16 1954-05-16 1
USGS 384536075084703 Ni52-05 1954-05-16 1954-05-16 1
USGS 384536075084704 Ni52-06 1954-05-16 1954-05-16 1
USGS 384537075085001 Ni52-08 1944-05-15 1944-05-15 1
USGS 384555075084101 Ni52-01 1944-05-15 1944-05-15 1
USGS 384558075083501 Ni52-11 1985-08-22 1987-02-05 8
USGS 384558075083502 Ni52-12 1986-02-03 1987-02-05 6
USGS 384606075115801 Nh44-08 2001-10-29 2013-08-26 4
USGS 384612075081901 Ni42-02 1944-06-16 1944-06-16 1
USGS 384618075091901 Ni42-08 1944-06-16 1944-06-16 1
USGS 384619075082001 Ni42-09 1944-06-16 1944-06-16 1
USGS 384619075082002 Ni42-10 1944-06-16 1944-06-16 1
USGS 384636075152801 GP-field 2019-03-25 2019-03-25 1
USGS 384636075152802 GP-Field2 2019-03-25 2019-03-25 1
USGS 384637075153201 Ng45-02 2002-12-19 2023-08-10 43
USGS 384637075153301 GP-Preciprd 2019-03-25 2019-03-25 1
USGS 384637075153302 GP-Preciprd2 2019-03-25 2019-03-25 1
USGS 384638075153401 GP-forest 2019-03-25 2019-03-25 1
USGS 384638075153402 GP-forest2 2019-03-25 2019-03-25 1
USGS 384639075153402 DELYS-02D 2019-08-28 2019-11-21 3
USGS 384640075153401 DELYS-4S 2019-10-29 2019-11-21 2
USGS 384640075153402 DELYS-4D 2019-08-28 2019-11-21 3
USGS 384641075191601 Ng41-03 1986-07-01 1986-07-01 1
USGS 384647075184001 Ng42-02 1956-02-17 1956-02-17 1
USGS 384702075213001 Nf34-02 1989-10-18 1989-10-18 2
USGS 384704075212900 Nf44-01 1977-11-22 1977-11-22 1
USGS 384819075190101 Ng21-03 2000-09-06 2018-11-01 5
USGS 384826075231001 Nf22-01 1986-11-19 1986-11-19 1
USGS 384830075230601 Nf22-02 1986-11-19 1986-11-19 1
USGS 384845075114201 Nh24-01 1972-06-06 1972-06-06 1
USGS 384845075211901 Nf24-05 2014-12-03 2019-11-04 2
USGS 384856075151101 Ng25-04 2000-09-06 2018-11-01 5
USGS 384923075170601 UG-2 2001-05-16 2001-05-16 1
USGS 384923075170900 UG-1 2001-05-16 2001-05-16 1
USGS 384923075170901 PH-UG 2000-06-13 2001-05-16 2
USGS 384924075170501 DG-10 2001-05-16 2001-05-16 1
USGS 384925075170501 DG-9 2001-05-25 2001-05-25 1
USGS 384925075170601 PH-DZ 2000-06-13 2000-06-13 1
USGS 384926075170401 PH-DG-1 2000-06-13 2000-06-13 1
USGS 384926075170501 PH-DG-5 2000-06-13 2001-08-23 3
USGS 384926075170502 DG-8 2001-05-23 2001-05-23 1
USGS 384926075170503 DG-8S 2001-05-23 2001-05-23 1
USGS 384926075170504 DZ-2 2001-05-16 2001-05-16 1
USGS 384926075170601 DZ-0 2001-05-18 2001-05-18 1
USGS 384926075170602 DZ-1 2001-05-18 2001-05-18 1
USGS 384926075170603 DZ-3 2001-05-18 2001-05-18 1
USGS 384927075170501 DG-4 2001-05-23 2001-05-23 1
USGS 384931075170401 PH-DG-2 2000-06-13 2000-06-13 1
USGS 384932075170201 PH-DG-3 2000-06-13 2000-06-13 1
USGS 385121075205201 Mf45-07 2014-12-03 2014-12-03 1
USGS 385400075262601 Me24-06 1986-11-19 1986-11-19 1
USGS 385403075262601 Me14-22 1990-01-24 1990-01-24 2
USGS 385411075262901 Me14-21 1987-03-27 1987-03-27 1
USGS 385443075254201 Me15-13 1951-12-28 1954-06-18 2
USGS 385447075253801 Me15-03 1956-02-20 1956-02-20 1
USGS 385447075253802 Me15-10 1931-04-13 1931-04-13 1
USGS 385451075260201 MULLET RUN AT MILFORD, DE 2000-06-01 2000-06-01 1
USGS 385459075251801 Me15-29 1968-05-12 1968-05-13 2