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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 -- 798 sites found


Hydrologic unit = 02070010
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 District Of Columbia, Dist. of Columbia
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 01647505 POTOMAC RIVER TRIBUTARY AT WASHINGTON, DC 1994-09-21 1994-09-21 1
USGS 01647595 POTOMAC RIVER AT KEY BRIDGE AT WASHINGTON, DC 2004-06-14 2023-12-11 36
USGS 01647994 ROCK CREEK AT MD/DC BOUNDRY AT WASHINGTON DC 2007-06-27 2007-06-27 3
USGS 01647996 TRIB TO FENWICK BR AT RED BUD LANE, WASHINGTON DC 2007-06-27 2007-06-27 1
USGS 01647997 PORTAL BRANCH AT NORTH PORTAL DR, WASHINGTON, DC 1999-08-19 2008-07-29 5
USGS 0164799789 FENWICK BRANCH ABOVE ROCK CREEK AT WASHINGTON DC 2007-06-27 2008-07-29 5
USGS 0164799790 STORM SEWER FL TO ROCK CR BL FENWICK BR WASH DC 2007-06-27 2008-07-29 3
USGS 01647998 ROCK CREEK BELOW WEST BEACH DRIVE WASHINGTON, DC 1999-06-23 1999-06-23 1
USGS 01648000 ROCK CREEK AT SHERRILL DRIVE WASHINGTON, DC 1959-10-01 1999-08-18 149
USGS 01648001 Whittier Run above Rock Creek at Washington DC 2007-06-27 2007-06-27 3
USGS 01648002 Pinehurst Branch above Barnaby St at Washington DC 2007-06-28 2007-06-28 1
USGS 01648003 Pinehurst Br trib nr Barnaby St at Washington DC 2007-06-28 2007-06-28 1
USGS 01648004 PINEHURST BRANCH AT OREGON AVENUE WASHINGTON, DC 1999-06-24 1999-06-24 1
USGS 01648005 PINEHURST BRANCH AT BEACH DRIVE, WASHINGTON, DC 2004-05-06 2007-06-28 2
USGS 0164800550 Rock Creek trib near Bingham Dr at Washington DC 2007-06-28 2008-07-29 3
USGS 01648006 ROCK CREEK TRIBUTARY AT GOLF COURSE WASHINGTON, DC 1999-06-24 2004-05-06 2
USGS 01648010 ROCK CREEK AT JOYCE RD WASHINGTON, DC 1999-02-18 2024-02-13 918
USGS 01648011 Luzon Branch above Rock Creek at Washington DC 2007-06-27 2023-08-08 9
USGS 01648015 BROAD BRANCH AT WASHINGTON, DC 1994-09-21 1994-09-21 1
USGS 0164801540 Broad Branch above Soapstone Valley at Wash DC 2007-06-28 2008-07-29 3
USGS 0164801550 Soapstone Valley trib to Broad Branch at Wash DC 2007-06-28 2007-06-28 1
USGS 01648016 ROCK CREEK AT PIERCE MILL WASHINGTON, DC 2003-04-28 2004-05-12 14
USGS 01648100 Rock Creek above Piney Branch at Washington DC 2007-06-27 2007-06-27 1
USGS 01648200 Piney Branch above Rock Creek at Washinton DC 2007-06-28 2007-06-28 3
USGS 01648300 Rock Cr above Connecticut Av at Washington DC 2007-06-27 2007-06-27 1
USGS 01648390 Normanstone Creek above Rock Creek at WashingtonDC 2007-06-27 2007-06-27 1
USGS 01648450 Dumbarton Oaks trib above Rock Cr at Washington DC 2007-06-27 2007-06-27 1
USGS 01648500 Rock Creek below Dumbarton Oaks trib at Wash DC 2007-06-27 2007-06-27 1
USGS 01648998 ROCK CREEK ABOVE Q STREET WASHINGTON, DC 1999-06-23 1999-08-17 3
USGS 01649000 ROCK CREEK AT Q STREET, WASHINGTON DC 2007-06-27 2007-06-27 3
USGS 01649003 Pipe inflow to Rock Cr below P St at Washington DC 2007-06-27 2007-06-27 1
USGS 01649010 Rock Creek above M Street at Washington DC 2007-06-27 2007-06-27 3
USGS 01649025 WASHINGTON CHANNEL AT WASHINGTON, DC 2023-05-15 2023-09-26 22
USGS 01651740 NASH RUN AT WASHINGTON, DC 2012-10-02 2021-11-23 61
USGS 01651770 HICKEY RUN AT NATIONAL ARBORETUM AT WASHINGTON, DC 2012-10-02 2024-03-07 372
USGS 01651780 HICKEY RUN AT WASHINGTON, DC 1994-09-19 1994-09-19 1
USGS 01651793 WATTS BRANCH AT 50TH ST, WASHINGTON, DC 2022-09-30 2022-10-01 2
USGS 01651794 WATTS BRANCH AT 49TH ST, WASHINGTON DC 2022-09-30 2022-10-01 2
USGS 01651795 WATTS BRANCH AT BENNING ROAD, WASHINGTON, DC 1994-09-19 1994-09-19 1
USGS 01651800 WATTS BRANCH AT WASHINGTON, DC 2012-08-08 2024-03-07 342
USGS 01651805 WATTS BRANCH NEAR WASHINGTON, DC 1994-09-19 1994-09-19 1
USGS 01651810 UNMED TRIB TO ANACOSTIA R BLW FT DUPONT AT WASH DC 2017-08-07 2017-09-02 43
USGS 01651812 ANACOSTIA RIVER AT ANACOSTIA PARK BOAT RAMP, DC 2023-05-02 2023-10-02 152
USGS 01651815 POPE BRANCH AT WASHINGTON, DC 1994-09-20 1994-09-20 1
USGS 01651817 POPE BRANCH AT FAIRLAWN AVE AT WASHINGTON, DC 2017-08-02 2017-08-07 20
USGS 0165182550 TRIB TO ANACOSTIA R ABV GOOD HOPE ROAD AT WASH, DC 2017-09-20 2017-10-09 19
USGS 01651827 ANACOSTIA RIVER NR BUZZARD POINT AT WASHINGTON, DC 2021-04-23 2023-07-26 43
USGS 0165258860 OXON RUN AT WASHINGTON, DC 1994-09-20 1994-09-20 1
USGS 01652590 POTOMAC RIVER AT ALEXANDRIA, VA 1966-09-21 1981-09-22 301
USGS 384852077014000 BLUE PLAINS SEWAGE TREATMENT PLANT 1980-07-22 1980-08-27 9
USGS 384852077020500 POTOMAC RIVER AT MARBURY POINT 1979-08-20 1983-08-31 45
USGS 384900077020000 POTOMAC RIVER LAGRANGIAN SHALLOW 1981-08-03 1981-08-13 66
USGS 384900077021000 POTOMAC RIVER LAGRANGIAN CHANNEL 1981-08-03 1981-08-13 103
USGS 384910077011010 BLUE PLAINS-PRIMARY WASTE SLUDGE 2005-12-06 2005-12-06 1
USGS 384910077011020 BLUE PLAINS-SECONDARY WASTE SLUDGE 2005-12-06 2005-12-06 1
USGS 384910077011030 BLUE PLAINS-NIT/DENIT WASTE SLUDGE 2005-12-06 2005-12-06 1
USGS 384910077011040 BLUE PLAINS-DEWATERED SLUDGE 2005-12-07 2006-07-18 2
USGS 384910077011050 BLUE PLAINS-CENTRATE RECYCLE 2005-12-07 2006-07-18 3
USGS 384910077011060 BLUE PLAINS-COMPOSTED SLUDGE 2005-12-06 2006-07-18 2
USGS 385039077012600 POTOMAC RIVER AT GEISBORO POINT 1979-08-20 1983-08-31 50
USGS 385138076585901 AC Aa 6 2008-08-26 2017-08-30 4
USGS 385138076585902 AC Aa 7 2008-08-26 2016-12-20 6
USGS 385141077015000 POTOMAC RIVER AT DANGERFIELD ISLAND 1979-03-26 1979-03-26 1
USGS 385157076580301 AC Aa 2 2016-09-07 2017-08-28 2
USGS 385216077011000 POTOMAC RIVER, WASHINGTON CH AT FT MC NAIR 1981-07-09 1981-08-26 4
USGS 385225076590101 AC Aa 1 2005-09-21 2005-09-21 1
USGS 385238076581501 WE Ca 29 2002-07-29 2016-09-13 6
USGS 385241076580901 WE Ca 39 2018-09-25 2021-05-18 2
USGS 385243076580901 WE Ca 40 2019-10-09 2021-05-18 2
USGS 385245076583501 WE Ca 34 2005-09-27 2010-09-08 3
USGS 385252076572801 WE Cb 8 2005-12-20 2016-12-06 10
USGS 385315077031800 POTOMAC RIVER AT MEMORIAL BRIDGE 1979-08-24 1983-08-31 44
USGS 385327076544801 WE Cc 3 2005-10-06 2016-08-31 4
USGS 385332076564101 WE Cb 11 2005-12-19 2005-12-19 1
USGS 385332076564102 WE Cb 12 2005-09-27 2017-08-29 3
USGS 385332076594701 WE Ca 32 2005-09-22 2016-09-06 4
USGS 385349076592801 WE Ca 33 2005-10-14 2005-10-14 1
USGS 385354076555901 WE Cb 10 2016-09-01 2016-09-01 1
USGS 385406076573401 WE Ca 30 2002-07-02 2002-07-02 1
USGS 385414077041701 Potomac River Bed Sediment WP030 2005-11-09 2005-11-09 1
USGS 385417077044001 Potomac River Bed Sedeiment WP026 2005-11-09 2005-11-09 1
USGS 385422077052001 Potomac River Bed Sediment WP022 2005-11-09 2005-11-09 2
USGS 385424077051901 Potomac River Bed Sediemnt WP019 2005-11-09 2005-11-09 1
USGS 385426077053401 Potomac R Bed Sediment WP003 2005-11-09 2005-11-09 1
USGS 385428077053401 Potomac R Bed Sediment WP002 2005-11-09 2005-11-09 2
USGS 385434077054801 Potomac R Bed Sediment WP007 2005-11-09 2005-11-09 2
USGS 385435077055001 Potomac R Bed Sediment WP008 2005-11-09 2005-11-09 1
USGS 385436076573601 WE Ca 42 2019-10-10 2019-10-10 1
USGS 385436077054701 Potomac R Bed Sediment WP006 2005-11-09 2005-11-09 2
USGS 385439077055201 Potomac R Bed Sediment WP009 2005-11-09 2005-11-09 2
USGS 385440077055501 Potomac River Sed near Georgetown Res. 2004-08-18 2004-08-18 1
USGS 385441077055601 Potomac R Bed Sediment WP010 2005-11-09 2005-11-09 1
USGS 385443076562801 WE Cb 5 2002-08-22 2010-09-13 4
USGS 385443076562802 WE Cb 6 2002-07-25 2005-09-14 4
USGS 385443077060101 Potomac River Bed Sediment - DC01 2004-06-16 2004-06-16 1
USGS 385446077060301 Potomac R Bed Sediment WP011 2005-11-09 2005-11-09 1
USGS 385448077054402 Georgetown Reservoirs, Basin 2 2004-08-13 2005-11-02 2
USGS 385455077054101 Georgetown Reservoirs, Basin 1 2004-07-21 2004-07-21 1
USGS 385457077060701 Potomac R Bed Sediment WP012 2005-11-09 2005-11-09 1
USGS 385504076563801 WE Bb 3 2002-08-21 2016-09-22 3
USGS 385504076563802 WE Bb 4 2002-07-26 2016-09-22 4
USGS 385513077062001 Potomac R Bed Sediment WP013 2005-11-09 2005-11-09 1
USGS 385516077062401 Potomac R Bed Sediment WP015 2005-11-09 2005-11-09 1
USGS 385519077012601 WW Bc 8 2005-10-13 2016-09-12 2
USGS 385527077000701 WW Bc 9 2005-12-19 2016-08-30 5
USGS 385527077063701 Potomac R Bed Sediment WP017 2005-11-09 2005-11-09 1
USGS 385534076582101 WE Ba 10 2005-10-12 2016-08-30 2
USGS 385606076584101 WE Ba 9 2005-10-12 2008-08-25 2
USGS 385609077055301 WW Ba 39 2010-03-24 2010-03-25 3
USGS 385610077064501 Dalecarlia Reservoirs, Basin 1 2004-07-14 2005-11-07 4
USGS 385610077064602 Dalecarlia Reservoirs, Basin 2 2004-07-21 2004-07-21 1
USGS 385612077064903 Dalecarlia Reservoirs, Basin 3 2004-07-26 2005-10-08 6
USGS 385612077065104 Dalecarlia Reservoirs, Basin 4, near Washington DC 2004-02-09 2005-11-08 4
USGS 385615077063501 WW Ba 31 2007-12-28 2007-12-28 1
USGS 385619077020701 WW Bc 10 2008-09-03 2016-09-12 2
USGS 385619077063601 Spring 1 at Dalecarlia Reservoir 2007-12-12 2007-12-12 1
USGS 385627077064101 WW Ba 32 2007-12-12 2007-12-12 1
USGS 385629077062701 WW Ba 21 2006-07-07 2007-12-27 2
USGS 385630077061901 WW Ba 22 2006-07-07 2007-12-27 2
USGS 385631077062901 WW Ba 18 2007-12-13 2007-12-13 1
USGS 385634077062701 WW Ba 16 2007-12-27 2007-12-27 1
USGS 385635077063101 WW Ba 11 2007-12-12 2007-12-12 1
USGS 385637077062201 WW Ba 14 2006-07-06 2006-07-06 1
USGS 385644077061101 WW Ba 28 2007-12-12 2016-09-21 5
USGS 385646077065101 Dalecarlia Dredge Spoil Pond 2004-07-29 2004-07-29 1
USGS 385649076584201 WE Ba 11 2008-08-28 2016-08-23 4
USGS 385707077021801 WW Bc 11 2008-09-02 2016-08-24 2
USGS 385716077031201 WEST SPRING, DC 2001-08-22 2006-07-24 6
USGS 385718077030101 MAINTENANCE YARD STREAM, WASHINGTON, DC 2001-08-22 2004-06-15 4
USGS 385725077023801 PICNIC 21, DC 2005-07-21 2006-07-24 2
USGS 385730077023001 MAINTENANCE POND, WASHINGTON, DC 2001-05-09 2001-05-09 1
USGS 385755077023001 FAIRWAY18, DC 2005-07-24 2006-07-21 2
USGS 385759077024301 GOLF COURSE I, DC 2001-08-22 2004-06-15 4
USGS 385813077030801 BINGHAM/OREGON 2001-08-22 2004-06-14 4
USGS 385817077021301 WHITTIER, DC 2002-07-01 2003-06-11 2
USGS 385836077031501 BEECH/OREGON, DC 2001-08-22 2004-06-14 4
USGS 385841077023501 RILEY SPRINGS, DC 2001-03-09 2003-03-27 4
USGS 385846077021601 16TH STREET, DC 2001-08-22 2006-07-21 6
USGS 385901077030101 DEERPRINT RUN, DC 2001-08-22 2004-06-14 4
USGS 385903077024101 WEST BEECH, DC 2003-03-27 2003-03-27 1
USGS 385906077025801 WEIR POND A, DC 2001-03-09 2004-04-06 6
USGS 385907077024901 PARKSIDE, DC 2003-03-27 2004-04-06 2
USGS 385929077020901 WW Ac 8 2008-09-02 2016-08-29 2
USGS 911001000000001 DC 1R 2023-03-23 2023-03-23 3
USGS 911001000000002 DC 1T 2023-03-23 2023-03-23 2
  group icon Charles County, Maryland
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 01655480 POTOMAC RIVER AT INDIAN HEAD, MD 1979-12-20 1988-11-01 67
USGS 383436077120501 CH Cb 8 1953-08-26 1953-08-26 1
USGS 383524077111801 CH Bb 16 1956-03-01 1956-03-01 1
USGS 383524077111802 CH Bb 17 1959-12-12 1991-09-11 6
USGS 383631077083501 CH Bc 6 1961-03-09 1991-08-29 7
USGS 383709077061001 CH Bc 74 1989-10-25 1989-10-25 1
USGS 383818077072800 POTOMAC RIVER AT HALLOWING POINT 1980-07-23 1983-08-31 55
USGS 384040077073000 POTOMAC RIVER BUOY 64/66 BTWN MH AND HL 1988-08-30 1988-08-30 1
USGS 384104077060502 CH Ac 11 1961-03-09 1961-03-09 1
USGS 384136077054600 POTOMAC RIVER AT MARSHALL HALL 1979-09-18 1983-08-31 57
  group icon Montgomery County, Maryland
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 01647610 ROCK CREEK NEAR LAYTONSVILLE, MD 1999-10-19 1999-10-19 1
USGS 01647611 ROCK CREEK TRIBUTARY NEAR CLAYSVILLE, MD 1999-10-19 1999-12-21 2
USGS 0164761150 ROCK CREEK TRIBUTARY NEAR REDLAND, MD 1999-10-19 1999-12-15 3
USGS 01647612 ROCK CREEK TRIB AT MUNCASTER ROAD AT REDLAND, MD 1999-10-28 1999-12-15 2
USGS 01647613 ROCK CR TRIB AT STREAM VALLEY PARK AT REDLAND, MD 1999-10-28 1999-12-15 2
USGS 01647614 ROCK CR TRIB AT STREAM VALLEY PARK NR REDLAND, MD 1999-10-28 1999-12-15 2
USGS 01647620 ROCK CREEK AT REDLAND, MD 1984-02-16 1984-02-16 5
USGS 0164762010 MILL CREEK AT SHADY GROVE AVE NR GAITHERSBURG, MD 1999-11-08 1999-11-08 1
USGS 0164762015 MILL CREEK AT REDLAND RD NEAR REDLAND, MD 1999-11-01 1999-11-01 1
USGS 0164762020 MILL CREEK TRIB NEAR NEDHAM RD NEAR REDLAND, MD 1999-11-01 1999-11-01 1
USGS 01647622 CRABBS BRANCH NEAR OSKALOOSA CT NEAR DERWOOD, MD 1999-11-01 1999-11-01 1
USGS 01647680 NB ROCK CREEK NEAR GRANBY WDS, NEAR MT. ZION, MD 1999-12-13 1999-12-13 1
USGS 01647681 NB ROCK CREEK TR, NR GRANBY WDS, NR MT. ZION, MD 1999-12-13 1999-12-13 1
USGS 01647683 NORTH BRANCH ROCK CREEK TRIBUTARY NEAR OLNEY, MD 1999-11-02 1999-12-21 2
USGS 0164768495 NB ROCK CREEK TRIBUTARY NEAR REDLAND, MD 1999-11-10 1999-12-21 2
USGS 01647685 WILLIAMSBURG RUN NEAR OLNEY, MD 1968-06-26 1974-09-28 134
USGS 0164768510 WILLIAMSBURG RUN NEAR REDLAND, MD 1999-11-10 1999-12-21 2
USGS 01647687 NORTH BRANCH ROCK CREEK TRIBUTARY AT OAKDALE, MD 1999-11-09 1999-11-09 1
USGS 01647688 NORTH BR ROCK CR TRIB. NR EMORY LN NR OAKDALE, MD 1999-11-09 1999-11-09 1
USGS 01647710 NB ROCK CR TRIB NR MUNCASTER MILL RD NR NORBECK,MD 1999-11-09 1999-11-09 1
USGS 01647720 NORTH BRANCH ROCK CREEK NEAR NORBECK, MD 1967-11-02 1994-08-24 211
USGS 01647725 MANOR RUN NEAR NORBECK, MD 1967-05-07 1974-08-19 84
USGS 01647726 MANOR RUN NEAR AVERY, MD 1999-11-08 1999-11-08 1
USGS 01647740 NORTH BRANCH ROCK CREEK NEAR ROCKVILLE, MD 1968-10-16 1977-06-20 30
USGS 01649190 PAINT BRANCH NEAR COLLEGE PARK, MD 2007-04-26 2024-02-05 595
USGS 01650050 NW BRANCH ANACOSTIA RIVER AT NORWOOD, MD 1967-11-02 1974-08-19 98
USGS 01650085 NURSERY RUN AT CLOVERLY, MD 1968-06-19 1974-08-19 78
USGS 01650190 BATCHELLORS RUN AT OAKDALE, MD 1967-08-04 1974-08-20 45
USGS 01650450 BEL PRE CREEK AT LAYHILL, MD 1966-01-06 1974-08-20 203
USGS 01650470 LUTES RUN AT LUTES, MD 1963-02-20 1974-09-07 121
USGS 01650500 NORTHWEST BRANCH ANACOSTIA RIVER NR COLESVILLE, MD 1960-04-03 1983-08-10 86
USGS 01650800 SLIGO CREEK NEAR TAKOMA PARK, MD 2012-05-31 2024-03-04 392
USGS 01650900 SLIGO CREEK AT TAKOMA PARK, MD 1994-08-23 1994-08-23 1
USGS 385629077065601 MO Ff 37 2007-12-28 2007-12-28 1
USGS 385633077063201 WW Ba 27 2007-12-12 2007-12-12 1
USGS 385634077063202 WW Ba 25 2007-12-12 2007-12-12 1
USGS 385637077063001 MO Ff 34 2006-07-06 2007-12-28 2
USGS 385640077065601 MO Ff 35 2007-12-26 2007-12-26 1
USGS 385641077064301 MO Ff 38 2007-12-12 2007-12-12 1
USGS 385643077062601 MO Ff 32 2007-12-28 2007-12-28 1
USGS 385643077063101 MO Ff 39 2007-12-12 2007-12-12 1
USGS 385824077001901 MO Fg 10 1981-08-19 1981-08-19 1
USGS 385913077134301 COST31, MD 2005-07-26 2006-07-14 2
USGS 385920077134501 COST39, MD 2005-07-26 2006-07-14 2
USGS 385929077131501 COST28, MD 2005-07-25 2005-07-25 1
USGS 385929077142101 COST22, MD 2005-07-27 2006-07-17 2
USGS 385936077135501 COST27, MD 2005-07-25 2005-07-25 1
USGS 385939077142801 COST21, MD 2005-07-29 2006-07-17 2
USGS 385945077060901 MO Ff 8 1949-10-26 1949-10-26 1
USGS 385950077053901 MO Ff 11 1956-08-08 1956-08-08 1
USGS 385950077054601 MO Ff 10 1956-08-08 1956-08-08 1
USGS 385952077050801 MO Ff 19 1994-08-30 2014-08-06 5
USGS 385953077054201 MO Ff 20 1956-08-08 1956-08-08 1
USGS 385956077053701 MO Ff 12 1956-08-08 1956-08-08 1
USGS 390032077142201 COST8, MD 2005-07-29 2006-07-14 2
USGS 390236077072801 MO Ef 56 1994-07-18 1994-07-18 1
USGS 390326077004801 MO Eg 15 1957-12-18 1957-12-18 1
USGS 390431076572901 MO Eh 1 1952-12-23 1952-12-23 1
USGS 390452077074701 MO Ef 10 1946-12-27 1946-12-27 1
USGS 390606077022201 MO Dg 34 2003-06-25 2019-02-04 9
USGS 390812077051001 MO Df 61 2003-06-30 2003-06-30 3
USGS 390830077063901 MO Df 33 1999-11-22 1999-11-22 1
USGS 390848077071501 MO Df 32 1999-11-18 1999-11-18 1
USGS 390917077085301 MO Df 31 1999-11-02 1999-11-02 1
USGS 390925077085001 MO Df 30 1999-11-02 1999-11-02 1
USGS 390943077073201 MO Df 35 1999-11-22 1999-11-22 1
USGS 391017077072701 MO Cf 29 1999-11-10 1999-11-10 1
USGS 391025077054701 MO Cf 31 1999-11-22 1999-11-22 1
USGS 391038077082201 MO Cf 27 1994-08-01 2014-06-05 4
USGS 391131077072801 MO Cf 9 1952-12-16 1952-12-16 1
USGS 391142077081701 MO Cf 30 1999-11-18 1999-11-18 1
  group icon Prince George'S County, Maryland
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 01649200 PAINT BRANCH AT COLLEGE PARK, MD 1994-08-24 1994-08-24 1
USGS 01649500 NORTHEAST BRANCH ANACOSTIA RIVER AT RIVERDALE, MD 1959-01-03 2024-02-13 910
USGS 01651000 NORTHWEST BR ANACOSTIA RIVER NR HYATTSVILLE, MD 1960-01-03 2021-12-03 423
USGS 01651007 ANACOSTIA RIVER AT BLADENSBURG WATERFRONT PARK, MD 2022-06-22 2022-11-09 10
USGS 01651010 ANACOSTIA RIVER AT BLADENSBURG, MD 1992-08-27 1992-08-27 2
USGS 01651720 CABIN BRANCH NEAR 64TH STREET AT CHEVERLY, MD 2016-01-14 2016-01-14 1
USGS 01651725 BEAVERDAM CREEK AT CHEVERLY, MD 2016-01-14 2016-01-14 1
USGS 01651730 BEAVERDAM CREEK NEAR CHEVERLY, MD 2016-01-14 2021-05-29 246
USGS 0165258850 OXON RUN NEAR WASHINGTON, DC 1994-09-20 1994-09-20 1
USGS 01652589 POTOMAC RIVER BEL OXON CREEK AT WASHINGTON, DC 1992-08-27 1992-08-27 2
USGS 01653500 HENSON CREEK AT OXON HILL, MD 1974-10-15 1978-09-16 28
USGS 01653600 PISCATAWAY CREEK AT PISCATAWAY, MD 1974-11-25 2002-10-18 156
USGS 01653650 PISCATAWAY CREEK NEAR S PISCATAWAY, MD 1972-07-21 1974-01-21 23
USGS 384007077013801 PG Fb 21 1963-06-07 1963-06-07 1
USGS 384103076583701 PG Fc 31 1963-06-06 1963-06-06 1
USGS 384138077035601 PG Fb 63 2016-11-21 2016-11-21 3
USGS 384224076555901 PG Fc 22 1963-06-07 1963-06-07 1
USGS 384225076563001 PG Fc 14 1950-04-13 1950-04-13 1
USGS 384302077013401 PG Fb 7 1949-03-31 1949-03-31 1
USGS 384318077020300 POTOMAC RIVER AT HATTON POINT 1979-09-05 1983-08-31 58
USGS 384413076502001 PG Fd 6 1949-03-25 1949-03-25 1
USGS 384458076512801 PG Fd 10 1952-04-14 1952-04-14 1
USGS 384459076511501 PG Fd 64 1954-12-06 1961-05-04 5
USGS 384459076512401 PG Fd 11 1952-04-14 1961-05-04 6
USGS 384459076583901 PG Fc 32 1963-06-06 1963-06-06 1
USGS 384532076563001 PEA HILL BRANCH AT CAMP SPRINGS, MD 2000-05-02 2000-05-02 1
USGS 384539076590101 HUNTERS MILL BRANCH TRIBUTARY NEAR FRIENDLY, MD 2000-04-05 2000-04-05 1
USGS 384550076540401 PG Ed 17 1950-04-13 1950-04-13 1
USGS 384605077015800 POTOMAC RIVER AT ROSIER BLUFF 1979-08-27 1983-08-31 45
USGS 384612077012301 PG Eb 3 1950-03-17 1950-03-17 1
USGS 384715076522001 PG Ed 50 1979-06-08 2016-11-16 4
USGS 384716076522001 PG Ed 60 2010-03-10 2016-11-17 4
USGS 384720076583701 PG Ec 29 1963-06-06 1963-06-06 1
USGS 384724076540401 PAYNES BRANCH AT CLINTON, MD 2000-04-05 2000-04-05 1
USGS 384743076595102 PG Ec 42 1963-06-06 1963-06-06 1
USGS 384813076590203 PG Ec 26 1952-03-31 1952-03-31 1
USGS 384822077022101 PG Eb 1 1949-03-28 1949-03-28 1
USGS 384854076543601 PG Ed 32 1951-03-06 1951-03-06 1
USGS 384948076533201 PG Ed 4 1949-03-31 1949-03-31 1
USGS 385001076545801 UNNAMED TRIB TO HENSON CREEK AT SUITLAND, MD 2000-05-11 2000-05-11 1
USGS 385045076554001 PG Dc 8 1919-11-12 1919-11-12 1
USGS 385055076552601 PG Dc 9 1919-11-09 1919-11-09 1
USGS 385434076532201 PG Dd 17 1951-04-18 1951-04-18 1
USGS 385634076573001 PG Cc 30 1958-09-07 1958-09-07 1
USGS 385723076593401 PG Cc 31 2003-10-15 2003-10-15 1
USGS 385825077001701 PG Cb 1 1959-02-08 1959-02-08 1
USGS 385920076571701 PG Bc 37 1990-04-23 1998-07-29 5
USGS 385941076511301 PG Cd 25 2016-08-23 2016-08-23 3
USGS 385948076534001 GOLDEN TRIANGLE, MD 2002-05-20 2003-09-13 2
USGS 390048076493501 PG Be 6 1950-04-13 1950-04-13 1
USGS 390120076580201 PG Bc 1 1949-03-21 1949-03-21 1
USGS 390138076522001 POWERLINE SITE 1-NORTH SIDE, MD 2001-03-08 2003-03-25 4
USGS 390138076522002 POWERLINE SITE 1-SOUTH SIDE, MD 2001-03-08 2001-05-08 2
USGS 390138076522003 POWERLINE SITE 80-83, MD 2001-03-08 2001-05-08 2
USGS 390138076522004 POWERLINE SITE 69-72, MD 2001-03-08 2001-03-08 1
USGS 390138076522005 POWERLINE SITE FRONT POND, MD 2001-03-08 2003-03-25 4
USGS 390138076522006 POWERLINE SITE 37-40, MD 2001-05-08 2001-05-08 1
USGS 390138076522007 NEW POWERLINE SITE 57-68, MD 2003-03-25 2005-03-15 3
USGS 390141076523701 PG Bd 29 1949-03-22 1949-03-22 1
USGS 390151076561501 PG Bc 16 1987-12-09 1992-11-05 5
USGS 390211076521401 ENTYMOLOGY SITE 2, MD 2001-03-08 2001-05-08 2
USGS 390211076521402 ENTYMOLOGY SITE BACKPOND 1, MD 2001-05-08 2005-03-15 5
USGS 390211076521403 ENTOMOLOGY SITE BACKPOND 2, MD 2002-03-26 2003-03-28 2
USGS 390211076521404 ENTOMOLOGY SITE 91-113, MD 2002-03-26 2003-03-28 2
USGS 390211076521405 ENTOMOLOGY SITE 1-19 2002-03-26 2005-03-15 4
USGS 390219076485101 EVAC POND, MD 2003-04-09 2003-04-09 1
USGS 390228076565101 PG Bc 10 1950-03-17 1950-03-17 1
USGS 390230076512202 BELTSVILLE 2, MD 2002-03-26 2005-03-25 3
USGS 390234076511701 GILL'S STREAM, MD 2001-08-22 2004-06-09 5
USGS 390248076492801 PG Be 38 2003-10-16 2003-10-16 1
USGS 390252076483401 CABIN POND, MD 2003-04-09 2003-04-09 1
USGS 390304076491301 AMERICAN HOLLY, MD 2001-08-22 2004-06-09 5
USGS 390310076484501 SNOWDEN STREAM, MD 2001-08-22 2004-06-09 5
USGS 390323076493601 NORTHWEST BORDER STREAM, MD 2003-06-12 2003-06-12 1
USGS 390330076492901 PWRC MAINTENANCE SEEP, MD 2003-06-12 2003-06-12 1
USGS 390344076555901 PG Bc 4 1959-02-17 1959-02-17 1
USGS 390426076521301 PG Bd 43 1958-03-12 1958-03-12 1
  group icon Arlington County, Virginia
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 01646580 POTOMAC RIVER AT CHAIN BRIDGE, AT WASHINGTON, DC 1973-01-02 2024-03-05 2522
USGS 01646750 LITTLE PIMMIT RUN TRIBUTARY AT ARLINGTON, VA 1969-04-28 1977-08-04 2
USGS 01652370 FOURMILE RUN AT ARLINGTON, VA 1994-08-23 1994-08-23 1
USGS 01652400 LONG BRANCH AT ARLINGTON, VA 1969-05-06 1977-08-05 2
USGS 01652470 LUCKY RUN AT ARLINGTON, VA 1977-08-04 1977-08-04 1
USGS 01652500 FOURMILE RUN AT ALEXANDRIA, VA 1952-11-20 1977-08-31 5
USGS 385253077042301 54V 3 1977-06-14 1977-06-14 1
  group icon Fairfax County, Virginia
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 01646600 PIMMIT RUN NEAR FALLS CHURCH, VA 1969-04-05 1977-08-04 2
USGS 01646700 PIMMIT RUN AT ARLINGTON, VA 1977-08-05 1977-08-05 1
USGS 01646800 LITTLE PIMMIT RUN AT ARLINGTON, VA 1969-04-28 1977-08-04 2
USGS 01652600 HOLMES RUN AT MERRIFIELD, VA 1969-05-05 1977-08-04 2
USGS 01652610 HOLMES RUN NEAR ANNANDALE, VA 1969-05-05 1977-08-05 2
USGS 01652620 TRIPPS RUN AT FALLS CHURCH, VA 1969-05-04 1977-08-04 2
USGS 01652645 TRIPPS RUN TRIBUTARY NEAR FALLS CHURCH, VA 1969-05-06 1977-08-05 2
USGS 01652650 TRIPPS RUN NEAR FALLS CHURCH, VA 1969-04-28 1977-08-05 2
USGS 01652670 HOLMES RUN BELOW LAKE BARCROFT, NR ALEXANDRIA, VA 1969-04-28 1969-04-28 1
USGS 01652710 BACKLICK RUN AT SPRINGFIELD, VA 1969-04-28 1969-04-28 1
USGS 01652789 INDIAN RUN AT BREN MAR DRIVE AT ALEXANDRIA, VA 2008-04-24 2024-02-28 191
USGS 01652810 TURKEYCOCK RUN AT ALEXANDRIA, VA 1969-05-06 1969-05-06 1
USGS 01652860 TURKEYCOCK RUN AT EDSALL RD AT ALEXANDRIA, VA 2008-04-24 2024-02-28 191
USGS 01653210 PIKE BRANCH AT ALEXANDRIA, VA 1969-04-28 1977-08-04 2
USGS 01653410 TAYLOR RUN AT ALEXANDRIA, VA 1969-04-28 1969-04-28 1
USGS 01653447 PENN DAW OUTFALL AT ALEXANDRIA, VA 1977-08-04 1977-08-04 1
USGS 01653700 LITTLE HUNTING CREEK AT GUM SPRINGS, VA 1969-04-28 1977-08-04 2
USGS 01653717 PAUL SPRING BR AB NORTH BRANCH NR GUM SPRINGS, VA 2008-04-24 2024-02-28 191
USGS 0165379148 TRIB TO DOGUE CREEK AT KINGMAN RD AT ACCOTINK, VA 2019-02-15 2019-09-17 5
USGS 01653800 DOGUE CREEK NEAR ACCOTINK, VA 1977-08-04 1977-08-30 2
USGS 01653840 DOGUE CREEK EAST TRIBUTARY NEAR ACCOTINK, VA 1969-04-28 1969-04-28 1
USGS 01653844 DOGUE CREEK TRIB AT WOODLEY DR AT MOUNT VERNON, VA 2012-10-09 2024-02-28 136
USGS 0165387125 TRIB TO POTOMAC RIVER NR JADWIN RD AT ACCOTINK, VA 2019-02-14 2019-09-17 5
USGS 0165388695 STORM DRAIN AT OAKTON PARK AT FAIRFAX, VA 2001-12-07 2004-09-14 6
USGS 0165388705 ACCOTINK CR TRIB 2 AT OAKTON PARK AT FAIRFAX, VA 2001-12-07 2004-02-20 5
USGS 0165389225 STORM DRAIN AT STRATHAVEN PLACE AT FAIRFAX, VA 2001-12-07 2002-10-23 3
USGS 0165389250 ACCOTINK CREEK TRIB 3 AT PLATTEN DR AT FAIRFAX, VA 2001-12-07 2004-09-14 7
USGS 01653900 ACCOTINK CREEK AT FAIRFAX, VA 1969-05-06 2004-02-19 22
USGS 0165390230 STORM DRAIN ABOVE SUTTON ROAD AT FAIRFAX, VA 2001-12-07 2004-09-14 6
USGS 0165390505 ACCOTINK CR TRIB 4 ABOVE LEE HWY AT FAIRFAX, VA 2001-12-07 2004-09-14 8
USGS 0165390845 ACCOTINK CREEK AB MILL SPRINGS DR AT FAIRFAX, VA 2003-04-16 2004-02-19 2
USGS 0165390850 ACCOTINK CREEK NEAR MILL SPRINGS DR AT FAIRFAX, VA 2004-02-19 2004-02-19 1
USGS 0165390890 STORM DRAIN AT MILL SPRINGS DRIVE AT FAIRFAX, VA 2001-12-06 2003-04-16 4
USGS 0165391005 ACCOTINK CREEK ABOVE EDENVALE ROAD AT FAIRFAX, VA 2001-12-06 2004-09-14 8
USGS 0165391120 ACCOTINK CR TRIB 5 AB TAPAWINGO RD AT VIENNA, VA 2002-04-04 2003-04-16 2
USGS 0165391150 ACCOTINK CR TRIB 1 TRIB 5 AT MOUTH AT VIENNA, VA 2001-12-06 2004-09-14 8
USGS 0165391460 ACCOTINK CREEK TRIB 5 AT HERMOSA DR AT VIENNA, VA 2001-12-06 2004-02-18 6
USGS 0165391505 ACCOTINK CREEK TRIB 5 BELOW LEE HWY NR FAIRFAX, VA 2003-11-11 2004-02-18 2
USGS 0165391550 STORM DRAIN AT NUTLEY STREET AT FAIRFAX, VA 2001-12-06 2003-04-16 4
USGS 0165391580 STORM DRAIN ABOVE BARRICK STREET AT FAIRFAX, VA 2001-12-06 2004-02-18 6
USGS 0165391630 STORM DRAIN AT BARRICK STREET AT FAIRFAX, VA 2001-12-06 2004-09-12 7
USGS 0165391660 ACCOTINK CREEK TRIB 5 AB ARLINGTON NR FAIRFAX, VA 2003-11-11 2004-09-14 4
USGS 0165391805 ACCOTINK CREEK TRIB 5 AT MOUTH NEAR FAIRFAX, VA 2001-12-06 2004-09-14 8
USGS 0165392005 ACCOTINK CREEK ABOVE BARKLEY DRIVE AT FAIRFAX, VA 2001-12-06 2004-02-18 6
USGS 0165392098 STORM DRAIN BELOW COTTAGE STREET AT VIENNA, VA 2002-04-04 2004-02-18 4
USGS 0165392145 BEAR BRANCH AT WARE STREET AT VIENNA, VA 2002-04-04 2003-04-16 2
USGS 0165392148 STORM DRAIN AT ONONDIO CIRCLE AT VIENNA, VA 2002-04-04 2003-04-16 2
USGS 0165392298 STORM DRAIN NEAR PATRICK STREET AT VIENNA, VA 2002-04-04 2004-02-18 4
USGS 0165392305 BEAR BRANCH TRIB 1 BELOW COTTAGE ST AT VIENNA, VA 2001-12-06 2001-12-06 1
USGS 0165392338 BEAR BRANCH TRIB 1 AT MOUTH AT VIENNA, VA 2002-04-04 2004-09-14 5
USGS 0165392363 BEAR BRANCH AT ALBANY COURT AT VIENNA, VA 2003-11-11 2004-02-18 2
USGS 0165392387 BEAR BRANCH ABOVE HUNTER ROAD AT VIENNA, VA 2001-12-06 2004-02-18 6
USGS 0165392390 STORM DRAIN 1 AT ESPANA COURT AT VIENNA, VA 2001-12-06 2003-04-16 3
USGS 0165392395 STORM DRAIN 2 AT ESPANA COURT AT VIENNA, VA 2001-12-06 2003-04-16 3
USGS 0165393045 BEAR BRANCH NEAR KAREN DRIVE NEAR FAIRFAX, VA 2003-04-16 2004-02-18 3
USGS 0165393070 ACCOTINK CREEK ABOVE BARKLEY DRIVE NR FAIRFAX, VA 2001-12-06 2003-04-16 4
USGS 0165394250 ACCOTINK CR ABOVE PROSPERITY AVE NEAR FAIRFAX, VA 2001-12-05 2004-02-18 7
USGS 0165394258 STORM DRAIN 1 BELOW STONEWALL DRIVE AT VIENNA, VA 2001-12-06 2004-09-13 8
USGS 0165394260 STORM DRAIN 2 BELOW STONEWALL DRIVE AT VIENNA, VA 2001-12-06 2004-09-13 7
USGS 0165394490 LONG BRANCH BELOW COTTAGE STREET AT VIENNA, VA 2003-04-15 2004-09-13 5
USGS 0165394695 STORM DRAIN AT PROSPERITY AVENUE AT VIENNA, VA 2001-12-05 2004-09-13 8
USGS 0165394710 STORM DRAIN BELOW INTERSTATE 66 AT VIENNA, VA 2002-04-03 2003-04-15 2
USGS 0165394715 LONG BRANCH BELOW INTERSTATE 66 AT VIENNA, VA 2001-12-05 2004-09-13 8
USGS 0165394775 STORM DRAIN 1 NR PROSPERITY AVENUE AT VIENNA, VA 2001-12-05 2004-09-13 9
USGS 0165394780 STORM DRAIN 2 NR PROSPERITY AVENUE AT VIENNA, VA 2002-04-03 2004-09-13 5
USGS 0165394960 LONG BRANCH ABOVE OLD LEE HIGHWAY AT VIENNA, VA 2003-04-15 2004-09-13 5
USGS 01653950 LONG BRANCH AT VIENNA, VA 1969-04-28 2004-09-13 6
USGS 0165395130 LONG BRANCH AT DOGWOOD LANE AT VIENNA, VA 2003-04-15 2004-09-13 5
USGS 0165395865 STORM DRAIN AT EXECUTIVE PARK AVE NEAR FAIRFAX, VA 2001-12-05 2004-09-13 9
USGS 0165395975 LONG BRANCH ABOVE ARLINGTON BLVD NEAR FAIRFAX, VA 2001-12-05 2004-09-13 10
USGS 0165396330 LONG BRANCH NEAR COPELAND POND CT NEAR FAIRFAX, VA 2003-11-11 2004-09-13 4
USGS 0165396825 LONG BRANCH NEAR MANTUA DRIVE NEAR FAIRFAX, VA 2003-11-11 2004-09-13 4
USGS 0165397320 LONG BRANCH AT MOUTH NEAR FAIRFAX, VA 2001-12-05 2004-09-13 10
USGS 0165397510 ACCOTINK CR BELOW PROSPERITY AVE NEAR FAIRFAX, VA 2002-04-03 2002-04-03 1
USGS 0165397515 STORM DRAIN AT SHANDWICK PLACE NEAR FAIRFAX, VA 2001-12-05 2004-02-18 8
USGS 0165397550 STORM DRAIN AT APPLEGATE COURT NEAR FAIRFAX, VA 2001-12-05 2004-09-13 9
USGS 0165397590 ACCOTINK CR TRIB 6 AT HILLSIDE PL NR FAIRFAX, VA 2001-12-05 2004-09-13 7
USGS 0165397640 ACCOTINK CR TRIB 6 AT MOUTH NEAR FAIRFAX, VA 2002-04-03 2002-04-03 1
USGS 0165397705 ACCOTINK CREEK NEAR BEVERLY DRIVE NEAR FAIRFAX, VA 2001-12-05 2004-02-17 7
USGS 0165397715 STORM DRAIN NEAR BEVERLY DRIVE NEAR FAIRFAX, VA 2001-12-05 2003-04-15 3
USGS 0165397840 STORM DRAIN AT BOSWORTH COURT NEAR FAIRFAX, VA 2001-12-05 2004-02-17 7
USGS 0165397875 STORM DRAIN AT CHANTAL LANE NEAR FAIRFAX, VA 2001-12-05 2003-04-15 3
USGS 0165397915 CROOK BRANCH AT GLADE HILL ROAD NEAR FAIRFAX, VA 2001-12-05 2003-04-15 5
USGS 0165397925 CROOK BRANCH TRIBUTARY 1 AT MOUTH NEAR FAIRFAX, VA 2001-12-05 2004-02-17 7
USGS 0165397950 STORM DRAIN AT GLADE HILL ROAD NEAR FAIRFAX, VA 2001-12-05 2004-09-13 9
USGS 0165398350 CROOK BRANCH AT MOUTH NEAR FAIRFAX, VA 2001-12-05 2004-09-13 6
USGS 01653985 ACCOTINK CREEK AT WOODBURN RD NR ANNANDALE, VA 1999-03-18 2004-02-17 10
USGS 0165398530 ACCOTINK CREEK TRIB 7 AT MOUTH NEAR ANNANDALE, VA 2001-12-05 2003-04-14 3
USGS 0165398550 ACCOTINK CR TRIB 8 AT WOODBURN RD NR ANNANDALE, VA 2002-07-09 2002-07-09 1
USGS 0165398555 STORM DRAIN ABOVE WOODBURN ROAD NEAR ANNANDALE, VA 2001-12-05 2002-10-22 4
USGS 0165398590 ACCOTINK CR TRIB 8 AB CHIVALRY RD NR ANNANDALE, VA 2001-12-05 2002-10-22 3
USGS 0165398660 ACCOTINK CREEK TRIB 8 AT MOUTH NEAR ANNANDALE, VA 2001-12-05 2003-04-14 3
USGS 0165398670 ACCOTINK CREEK TRIB 9 AT MOUTH NEAR ANNANDALE, VA 2001-12-05 2003-04-14 3
USGS 0165398685 STORM DRAIN AT KAY COURT NEAR ANNANDALE, VA 2002-04-02 2003-04-14 2
USGS 0165399020 ACCOTINK CREEK NR HILLCREST LANE NR ANNANDALE, VA 2001-12-04 2004-02-17 7
USGS 0165399035 ACCOTINK CR TRIB 10 NR REBEL DR AT ANNANDALE, VA 2003-04-14 2004-02-17 3
USGS 0165399055 ACCOTINK CREEK TRIB 10 AT MOUTH NR ANNANDALE, VA 2001-12-04 2004-02-17 6
USGS 0165399060 STORM DRAIN NEAR THOR DRIVE AT ANNANDALE, VA 2001-12-04 2002-04-03 2
USGS 0165399095 ACCOTINK CR AB LITTLE RIVER TPKE NR ANNANDALE, VA 2001-12-04 2004-09-13 9
USGS 0165399132 STORM DRAIN AT MACGREGOR COURT AT ANNANDALE, VA 2001-12-04 2003-04-14 3
USGS 0165399155 ACCOTINK CR TRIB 11 NR HIRST DR AT ANNANDALE, VA 2001-12-04 2003-04-14 3
USGS 0165399190 ACCOTINK CR TRIB 1 TO TRIB 11 AT ANNANDALE, VA 2001-12-04 2004-02-17 6
USGS 0165399215 ACCOTINK CREEK TRIB 11 AT MOUTH AT ANNANDALE, VA 2002-07-08 2002-07-08 1
USGS 0165399225 ACCOTINK CREEK NEAR ACCOTINK PKWY AT ANNANDALE, VA 2001-12-04 2004-02-17 7
USGS 0165399235 STORM DRAIN 1 AT CARMELO DRIVE AT ANNANDALE, VA 2001-12-04 2004-09-13 9
USGS 0165399237 STORM DRAIN 2 AT CARMELO DRIVE AT ANNANDALE, VA 2001-12-04 2004-09-13 9
USGS 0165399252 STORM DRAIN AT AMERICANA DRIVE AT ANNANDALE, VA 2001-12-04 2004-09-13 8
USGS 0165399255 STORM DRAIN NEAR IVYMOUNT COURT AT ANNANDALE, VA 2001-12-04 2004-09-13 9
USGS 0165399285 ACCOTINK CREEK TRIB 12 AT MOUTH AT ANNANDALE, VA 2001-12-04 2004-02-17 7
USGS 0165399313 ACCOTINK CREEK NEAR WOODLARK DR AT ANNANDALE, VA 2001-12-03 2003-04-14 5
USGS 0165399345 ACCOTINK CR TRIB 13 AT HILLCREST NR ANNANDALE, VA 2001-12-03 2002-10-21 3
USGS 0165399368 STORM DRAIN AT CAMPUS DRIVE NEAR ANNANDALE, VA 2001-12-03 2002-10-21 4
USGS 0165399430 ACCOTINK CREEK TRIB 13 AT MOUTH AT ANNANDALE, VA 2001-12-03 2003-04-14 5
USGS 0165399438 ACCOTINK CREEK NR BRIAR CREEK DR NR ANNANDALE, VA 2001-12-03 2004-02-17 7
USGS 0165399495 ACCOTINK CREEK TRIB 14 AT MOUTH NEAR ANNANDALE, VA 2001-12-03 2004-02-17 7
USGS 01653995 ACCOTINK CREEK BELOW MILL CREEK NR ANNANDALE, VA 1999-03-18 2000-08-08 3
USGS 0165399507 STORM DRAIN AT PATRIOT LANE AT ANNANDALE, VA 2001-12-04 2004-02-17 7
USGS 0165399515 ACCOTINK CREEK TRIB 15 AT MOUTH NEAR ANNANDALE, VA 2001-12-03 2003-04-14 5
USGS 0165399522 STORM DRAIN NEAR COMMONS DRIVE AT ANNANDALE, VA 2002-04-02 2004-09-13 8
USGS 0165399535 ACCOTINK CREEK ABOVE TURKEY RUN NEAR ANNANDALE, VA 2001-12-04 2004-02-17 7
USGS 0165399573 TURKEY RUN NEAR BANFF STREET NEAR ANNANDALE, VA 2002-04-02 2002-04-02 1
USGS 0165399575 TURKEY RUN ABOVE SUGARBUSH COURT NR ANNANDALE, VA 2001-12-04 2002-10-21 3
USGS 0165399585 TURKEY RUN TRIB 1 NR SUGARBUSH CT NR ANNANDALE, VA 2001-12-04 2004-09-13 6
USGS 0165399645 TURKEY RUN ABOVE PRIVATE LANE NEAR ANNANDALE, VA 2001-12-04 2004-02-17 7
USGS 0165399675 STORM DRAIN AT OLD WELL ROAD NEAR ANNANDALE, VA 2001-12-04 2003-04-14 3
USGS 0165399715 TURKEY RUN AT MOUTH NEAR ANNANDALE, VA 2001-12-04 2004-02-17 7
USGS 0165399770 STORM DRAIN AT KALORAMA ROAD AT ANNANDALE, VA 2001-12-04 2004-02-17 4
USGS 01654000 ACCOTINK CREEK NEAR ANNANDALE, VA 1952-11-21 2024-03-07 530
USGS 01654107 LONG BRANCH AT OLLEY LANE NR FAIRFAX, VA 2021-11-29 2024-02-28 44
USGS 01654197 LONG BRANCH ABOVE GUINEA ROAD NR FAIRFAX, VA 2022-10-07 2023-10-04 10
USGS 01654259 LONG BRANCH NR TABARD TRAIL NR FAIRFAX, VA 2022-10-06 2023-10-03 10
USGS 01654345 LONG BRANCH AB WOODLAND WAY NEAR FAIRFAX, VA 2022-10-05 2023-10-02 10
USGS 01654500 LONG BRANCH NEAR ANNANDALE, VA 1952-11-21 2024-02-28 421
USGS 01654520 ACCOTINK CREEK BELOW LONG BR NR ANNANDALE, VA 1999-03-18 2000-08-08 3
USGS 01654700 CALAMO BRANCH TRIBUTARY AT SPRINGFIELD, VA 1969-04-28 1969-04-28 1
USGS 0165470810 CALAMO BRANCH AT SPRINGFIELD, VA 2000-05-01 2000-05-01 1
USGS 01654852 ACCOTINK CREEK ABOVE BARTA ROAD NEAR NEWINGTON, VA 2019-02-14 2019-09-18 5
USGS 01654929 TRIB TO ACCOTINK CR NR BEECHWD DR NR NEWINGTON, VA 2019-02-14 2019-09-19 5
USGS 01655000 ACCOTINK CREEK NEAR ACCOTINK STATION, VA 1952-11-20 1977-08-30 2
USGS 0165501562 TRIB TO ACCOTINK CR ABV BARTA RD NR NEWINGTON, VA 2019-02-14 2019-09-19 5
USGS 0165505816 FIELD LARK BRANCH ABOVE BARTA RD NR NEWINGTON, VA 2019-02-14 2019-09-18 5
USGS 0165509350 FIELD LARK BRANCH AT NEWINGTON, VA 2000-05-01 2000-05-01 1
USGS 0165516637 TRIB TO ACCOTINK CR NR KINGMN RD AT FT BELVOIR, VA 2019-02-15 2019-09-17 5
USGS 0165516905 TRIB TO ACCOTINK CREEK ABV POE RD AT ACCOTINK, VA 2019-02-13 2019-05-21 2
USGS 01655170 ACCOTINK CREEK AT HWY 1 AT ACCOTINK, VA 2019-07-24 2019-09-19 3
USGS 0165517575 TRIB TO ACCOTINK CR ABV GUNSTON RD AT ACCOTINK, VA 2019-02-15 2019-09-17 5
USGS 0165517802 TRIB TO POHICK CREEK NR WARREN RD AT ACCOTINK, VA 2019-02-13 2019-09-17 5
USGS 01655305 RABBIT BRANCH TRIBUTARY AB LAKE ROYAL NR BURKE, VA 2012-10-09 2024-02-28 137
USGS 01655310 RABBIT BRANCH NEAR BURKE, VA 1969-04-24 1977-08-29 2
USGS 01655320 SIDEBURN BRANCH AT FAIRFAX STATION, VA 1969-04-24 1969-04-24 1
USGS 01655340 POHICK CREEK TRIBUTARY NEAR BURKE, VA 1969-04-24 1969-04-24 1
USGS 01655350 POHICK CREEK NEAR SPRINGFIELD, VA 1969-05-05 1977-08-05 2
USGS 01655360 SANGSTER BRANCH NEAR BURKE, VA 1969-04-24 1969-04-24 1
USGS 01655370 MIDDLE RUN NEAR LORTON, VA 1969-04-22 1977-08-05 2
USGS 01655380 SOUTH RUN NEAR LORTON, VA 1969-04-22 1977-08-05 2
USGS 01655390 POHICK CREEK AT LORTON, VA 1969-04-24 1977-08-30 2
USGS 01655400 POHICK CREEK AT OLD COLCHESTER RD NEAR LORTON, VA 2022-08-02 2022-08-02 1
USGS 0165545242 TRIB TO POHICK CR AT POHICK NECK NEAR LORTON,VA 2019-02-13 2019-09-19 5
USGS 0165545630 TRIB TO ACCOTINK CR NR MORROW RD AT ACCOTINK, VA 2019-02-15 2019-09-17 5
USGS 0165545746 TRIB TO ACCOTINK CR NR TOTTEN RD AT ACCOTINK, VA 2019-02-14 2019-09-17 5
USGS 01656870 CUB RUN AT OLD LEE ROAD NEAR CHANTILLY, VA 1994-08-24 1994-08-24 1
USGS 01656900 FLATLICK BRANCH AT CHANTILLY, VA 1977-08-01 1977-08-01 1
USGS 01656903 FLATLICK BRANCH ABOVE FROG BRANCH AT CHANTILLY, VA 2008-04-11 2024-02-28 617
USGS 0165690673 FROG BRANCH ABOVE FLATLICK BRANCH AT CHANTILLY, VA 2008-04-24 2024-02-28 191
USGS 01656920 FLATLICK BRANCH NEAR CHANTILLY, VA 1994-08-24 1994-08-24 1
USGS 01656930 ELKLICK RUN NEAR CHANTILLY, VA 1979-08-30 1979-08-30 1
USGS 01656940 CUB RUN NEAR CENTREVILLE, VA 1977-08-30 1977-08-30 1
USGS 0165694286 BIG ROCKY RUN AT STRINGFELLOW RD NR CHANTILLY, VA 2008-04-24 2024-02-28 191
USGS 01656950 BIG ROCKY RUN NEAR CENTREVILLE, VA 1977-08-30 1977-08-30 1
USGS 01656960 CUB RUN NEAR BULL RUN, VA 1973-02-06 1974-12-30 110
USGS 01656978 BULL RUN AT YORKSHIRE, VA 2022-08-03 2022-08-03 1
USGS 01657000 BULL RUN NEAR MANASSAS, VA 1952-11-19 1979-08-30 16
USGS 01657010 BULL RUN TRIB AT MANASSAS PARK, VA 1979-08-30 1979-08-30 1
USGS 01657100 WILLOW SPRINGS BRANCH AT HWY 29 NR CENTREVILLE, VA 2012-10-09 2024-02-28 137
USGS 01657230 LITTLE ROCKY RUN AT COMPTONS CORNER, VA 1977-08-30 1977-08-30 1
USGS 01657250 JOHNNY MOORE CREEK NEAR CLIFTON, VA 1977-08-05 1977-08-05 1
USGS 01657300 POPES HEAD CREEK NEAR FAIRFAX, VA 1977-08-29 1977-08-29 1
USGS 01657322 POPES HEAD CREEK TRIB NEAR FAIRFAX STATION, VA 2008-04-24 2024-02-28 191
USGS 01657394 CASTLE CREEK AT NEWMAN ROAD AT CLIFTON, VA 2008-04-24 2024-02-28 191
USGS 01657400 POPES HEAD CREEK AT CLIFTON, VA 1977-08-05 1977-08-05 1
USGS 01657415 BULL RUN NEAR CLIFTON, VA 1974-07-01 2022-08-03 32
USGS 0165741650 BULL RUN AB OCCOQUAN RESERVOIR NEAR CLIFTON, VA 1973-02-08 1974-06-27 74
USGS 01657418 OCCOQUAN RESV (BULL RUN) RT 612 NR CLIFTON, VA 1973-04-09 1974-12-23 329
USGS 01657435 WOLF RUN NEAR CLIFTON, VA 1994-08-23 1994-08-23 1
USGS 01657460 OCCOQUAN RESERVOIR AT RYANS DAM, VA 1973-04-09 1974-12-23 544
USGS 01657480 OCCOQUAN RESV AT JACOBS ROCK NR OCCOQUAN, VA 1973-04-09 1974-11-25 660
USGS 01657600 SANDY RUN NEAR FAIRFAX STATION, VA 1969-05-05 1977-08-05 2
USGS 01657622 OCCOQUAN RES BELOW SANDY RUN, VA 1973-04-09 1974-12-23 730
USGS 01657665 OCCOQUAN RESERVOIR AT OCCOQUAN DAM, VA 1973-02-22 1974-12-23 745
USGS 01657700 OCCOQUAN RESERVOIR AT DAM NEAR OCCOQUAN, VA 2022-08-02 2022-08-02 1
USGS 01657800 GILES RUN NEAR WOODBRIDGE, VA 1969-05-05 1977-08-04 2
USGS 383745077115601 HOLLY POND MASON NECK NWR NR WOODBRIDGE, VA 2009-02-11 2009-02-11 1
USGS 383814077090301 53T 30 1998-09-01 1998-09-01 1
USGS 383956077093401 53T 51 1976-09-16 1976-09-16 1
USGS 384034077082301 53T 61 2019-04-01 2019-04-01 3
USGS 384035077074801 53T 62 2019-04-01 2019-04-01 3
USGS 384042077084701 53T 60 2019-04-01 2019-04-01 3
USGS 384101077074601 53T 69 2019-04-01 2019-04-01 3
USGS 384102077082001 53T 68 2019-04-01 2019-04-01 1
USGS 384102077085301 53T 67 2019-04-01 2019-04-01 2
USGS 384102077092601 53T 66 2019-04-01 2019-04-01 1
USGS 384106077095601 53T 65 2019-04-03 2019-04-03 3
USGS 384107077103301 53T 64 2019-04-03 2019-04-03 3
USGS 384107077110701 53T 63 2019-04-03 2019-04-03 2
USGS 384123077074501 53T 74 2019-04-01 2019-04-01 3
USGS 384128077085501 53T 73 2019-04-02 2019-04-02 3
USGS 384128077091201 53T 72 2019-04-02 2019-04-02 3
USGS 384129077095901 53T 71 2019-04-03 2019-04-03 3
USGS 384130077110501 53T 70 2019-04-03 2019-04-03 3
USGS 384137077163401 OCCOQUAN RESERVOIR DIVERSION 2001-08-14 2001-08-14 1
USGS 384153077074501 53T 78 2019-04-01 2019-04-01 3
USGS 384154077092701 53T 77 2019-04-02 2019-04-02 3
USGS 384155077103201 53T 76 2019-04-03 2019-04-03 3
USGS 384156077113301 53T 75 2019-04-03 2019-04-03 3
USGS 384220077081801 53T 84 2019-04-01 2019-04-01 2
USGS 384220077092701 53T 82 2019-04-02 2019-04-02 3
USGS 384221077095801 53T 81 2019-04-03 2019-04-03 3
USGS 384221077172201 DAVIS RUN OCCOQUAN 1976-09-22 1977-10-28 14
USGS 384222077110401 53T 80 2019-04-03 2019-04-03 3
USGS 384222077113801 53T 79 2019-04-03 2019-04-03 3
USGS 384223077085201 53T 83 2019-04-01 2019-04-01 3
USGS 384246077081701 53T 89 2019-04-02 2019-04-02 3
USGS 384246077102601 53T 86 2019-04-02 2019-04-02 2
USGS 384247077084601 53T 88 2019-04-02 2019-04-02 2
USGS 384248077110401 53T 85 2019-04-02 2019-04-02 3
USGS 384250077092701 53T 87 2019-04-01 2019-04-01 1
USGS 384312077081701 53T 93 2019-04-04 2019-04-04 3
USGS 384313077091401 53T 92 2019-04-01 2019-04-01 3
USGS 384314077110301 53T 90 2019-04-03 2019-04-03 2
USGS 384316077095901 53T 91 2019-04-02 2019-04-02 2
USGS 384337077084801 53T 96 2019-04-04 2019-04-04 3
USGS 384339077092601 53T 95 2019-04-04 2019-04-04 3
USGS 384339077095701 53T 94 2019-04-02 2019-04-02 2
USGS 384354077135801 53T 59 2003-08-11 2015-07-29 2
USGS 384405077095601 53T 98 2019-04-02 2019-04-02 1
USGS 384424077074101 53T 97 2019-04-04 2019-04-04 3
USGS 384453077031801 54T 19B 1998-08-19 1998-08-19 1
USGS 384459077120801 53U 46 2019-04-04 2019-04-04 3
USGS 384501077113301 53U 47 2019-04-04 2019-04-04 3
USGS 384502077123901 53T 99 2019-04-04 2019-04-04 3
USGS 384523077120701 53U 49 2019-04-04 2019-04-04 3
USGS 384523077124001 53U 48 2019-04-04 2019-04-04 3
USGS 384530077113401 53U 50 2019-04-04 2019-04-04 3
USGS 384609077202201 52U 5 1994-08-31 1994-08-31 1
USGS 384626077202201 52U5R 2014-07-30 2014-07-30 4
USGS 384810077284501 51U 1D 1977-04-18 1977-04-18 1
USGS 384854077251801 51U 145 2003-07-22 2015-07-16 2
USGS 384918077281201 51U 3D 1977-04-17 1977-04-17 1
USGS 384935077293301 51U 2D 1977-06-17 1977-06-17 1
USGS 384956077250301 51U 144 2003-07-23 2015-07-28 2
USGS 385048077320001 50U 3C 1977-04-20 1977-04-20 1
USGS 385059077145001 53U 45 1994-06-28 2014-06-18 4
USGS 385157077275301 51U 5A 1977-04-20 1977-04-20 1
USGS 385205077275501 51U 13 1979-06-20 1979-08-09 2
USGS 385311077234501 51V 5J 1977-01-13 1977-01-13 1
USGS 385320077251701 51V 23H FCWA NO 1 TR 1979-07-05 1979-07-09 2
USGS 385321077234001 51V 4J 1976-12-21 1976-12-21 1
USGS 385345077251201 51V 138 1994-08-29 1994-08-29 1
USGS 385350077272501 51V 24H FCWA NO 2 TR 1979-07-20 1979-07-26 2
USGS 385357077144801 53V 14 1994-07-13 1994-07-13 1
USGS 385424077255301 51V 12H 1978-05-10 1978-05-10 1
USGS 385639077220101 52V 1D 1976-11-05 1976-11-05 1
USGS 385812077234701 51V 10C 1977-03-11 1977-03-11 1
USGS 951059000000001 VA 2R 2022-10-25 2022-10-25 1
USGS 951059000000002 VA 2T 2022-10-25 2022-10-25 2
  group icon Fauquier County, Virginia
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 01655500 CEDAR RUN NEAR WARRENTON, VA 1954-12-10 1954-12-10 1
USGS 01656000 CEDAR RUN NEAR CATLETT, VA 1968-03-06 2008-05-19 19
USGS 383035077351501 50S 10 1994-06-15 2014-11-18 5
USGS 383355077360510 50S 2D 1980-05-02 1980-05-02 1
USGS 383540077365701 50S 11 1994-06-21 1994-06-21 1
USGS 384507077421201 49U 80 1994-06-27 1994-06-27 1
USGS 384723077492001 48U 24 1994-07-12 2014-07-16 5
  group icon Loudoun County, Virginia
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 385617077271201 51V 3E 1975-07-30 1975-07-30 3
USGS 385835077281901 51V 8A 1977-03-10 1977-03-10 1
  group icon Prince William County, Virginia
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 01656100 CEDAR RUN NEAR ADEN, VA 1973-02-07 1999-01-12 1694
USGS 01656102 GOSLIN RUN NEAR ADEN, VA 1994-08-23 2004-01-06 931
USGS 0165611975 CEDAR RUN TRIB NO 6 ABOVE RT 646 NEAR ADEN, VA 1997-08-20 1997-08-20 1
USGS 01656120 CEDAR RUN AT RT 646 NEAR ADEN, VA 1996-07-30 1999-12-31 1939
USGS 01656500 BROAD RUN AT BUCKLAND, VA 1968-03-06 1980-07-08 4
USGS 01656645 ROCKY BRANCH TRIB NEAR GAINESVILLE, VA 1979-08-30 1980-07-08 2
USGS 01656650 BROAD RUN NEAR BRISTOW, VA 1974-11-25 1979-08-30 6
USGS 01656655 KETTLE RUN NEAR NOKESVILLE, VA 1994-08-23 1994-08-23 1
USGS 01656659 KETTLE RUN AT BRENTSVILLE, VA 1979-08-29 1979-08-29 1
USGS 01656670 BROAD RUN AT BRENTSVILLE, VA 1979-08-30 1979-08-30 1
USGS 01656700 OCCOQUAN RIVER NEAR MANASSAS, VA 1973-02-07 1974-12-30 107
USGS 01656703 OCCOQUAN RESERVOIR ABOVE BULL RUN NR CLIFTON, VA 1973-04-09 1974-12-23 396
USGS 01656705 BLACK BRANCH NEAR HAYMARKET, VA 1979-08-28 1979-08-28 1
USGS 01656715 CHESTNUT LICK NEAR CATHARPIN, VA 1979-08-28 1979-08-28 1
USGS 01656725 BULL RUN NEAR CATHARPIN, VA 1973-02-06 1994-08-24 108
USGS 01656735 BULL RUN AT RT 659 NEAR CATHARPIN, VA 1968-03-14 1969-05-15 7
USGS 01656743 LICK BRANCH AT CATHARPIN, VA 1979-08-28 1979-08-28 1
USGS 01656750 LITTLE BULL RUN NEAR BULL RUN, VA 1969-05-15 1979-08-28 2
USGS 01656768 FLAT BRANCH NEAR MANASSAS, VA 1979-08-27 1979-08-27 1
USGS 01656772 FLAT BRANCH AT MANASSAS PARK, VA 1994-08-23 1994-08-23 1
USGS 01657248 RUSSIA BRANCH TRIB AT MANASSAS, VA 1979-08-30 1979-08-30 1
USGS 01657655 HOOES RUN NEAR OCCOQUAN, VA 1974-11-25 1974-12-30 5
USGS 01657667 OCCOQUAN RIVER BELOW OCCOQUAN DAM AT OCCOQUAN, VA 1979-12-13 1980-03-15 5
USGS 01657859 NEABSCO CREEK AT RT 1 NEAR DUMFRIES, VA 2022-08-02 2022-08-02 1
USGS 01657862 NEABSCO CREEK TRIB ABOVE RT 640 AT DALE CITY, VA 1996-08-22 1996-08-22 1
USGS 01657865 NEABSCO CR TRIB AB PR WM DR AT DALE CITY, VA 1995-04-25 1997-09-02 71
USGS 01657870 NEABSCO CREEK TRIB TRIB1 AT DALE CITY, VA 1995-04-25 1997-08-20 31
USGS 01657875 NEABSCO CREEK TRIB TRIB2 AT DALE CITY, VA 1995-04-25 1997-09-02 70
USGS 01657880 NEABSCO CREEK TRIB POND AT DALE CITY, VA 1994-10-24 1997-08-13 20
USGS 01657882 NEABSCO CR TRIB BL PR WM PKY AT DALE CITY, VA 1995-04-06 1997-09-02 80
USGS 01657885 NEABSCO CR TRIB AT TELEGRAPH RD NR DALE CITY, VA 1995-02-09 1996-05-16 247
USGS 383328077203401 52S 24 1991-08-19 1991-08-19 1
USGS 383354077220801 52S 14 1991-08-13 1991-08-13 1
USGS 383500077222201 52S 18 1991-08-13 1991-08-13 1
USGS 383552077153601 52S 49 1991-08-14 1991-08-14 1
USGS 383607077245301 51S 5 1991-08-13 1991-08-13 1
USGS 383749077174001 52T 66 1991-09-05 1991-09-05 1
USGS 383754077250501 51T175 1990-07-25 1990-07-25 1
USGS 383810077340101 50T 65 1988-07-21 1988-07-21 1
USGS 383812077263301 51T174 1990-07-25 1990-07-25 1
USGS 383813077312201 50T 40J 1980-08-12 1980-08-12 1
USGS 383824077264301 51T140 1990-07-17 1990-07-17 1
USGS 383830077135502 53T 2 SOW 029 1970-04-02 1972-04-05 2
USGS 383836077233601 51T134 1990-07-18 1990-07-18 1
USGS 383843077300701 50T 64 1988-07-21 1988-07-21 1
USGS 383906077213701 52T 73 2003-07-29 2015-08-25 2
USGS 383912077144901 53T 56 1991-08-14 1991-08-14 1
USGS 383923077260201 51T166 1990-07-25 1990-07-25 1
USGS 383934077222601 52T 72 2003-07-28 2015-07-14 4
USGS 383940077180601 52T 52 1990-07-19 1990-07-19 1
USGS 383941077282601 51T147 1990-07-18 1990-07-18 1
USGS 383944077184901 52T 71 2003-07-31 2015-07-23 8
USGS 383947077262001 51T122 1990-07-25 1990-07-25 1
USGS 383955077343401 50T 84 1994-07-27 1994-07-27 1
USGS 383957077304901 50T 68 1990-07-12 1990-07-12 1
USGS 384005077261701 51T171 1990-07-26 1990-07-26 1
USGS 384012077192101 52T 70 2003-07-30 2015-07-29 2
USGS 384020077331901 50T 66 1990-07-12 1990-07-12 1
USGS 384022077235601 51T 178 1994-07-12 2014-06-17 4
USGS 384035077252901 51T120 1990-07-26 1990-07-26 1
USGS 384040077251901 51T117 1991-08-20 1991-08-20 1
USGS 384040077251902 51T118 1990-07-26 1991-02-05 2
USGS 384040077251903 51T119 1991-08-20 1991-08-20 1
USGS 384050077255601 51T173 1990-07-26 1991-02-05 2
USGS 384052077255601 51T172 1991-08-20 1991-08-20 1
USGS 384055077264001 51T151 1990-07-18 1990-07-18 1
USGS 384111077253501 51T 29E 1990-07-25 1991-02-05 2
USGS 384130077342001 50T 17E 1980-05-16 1980-05-16 1
USGS 384133077324201 50T 85 1994-08-22 1994-08-22 1
USGS 384140077180501 52T 69 2003-07-29 2015-07-14 2
USGS 384140077342101 50T 36E 1987-08-26 1987-08-26 2
USGS 384146077320901 50T 63 1988-07-19 1988-07-19 1
USGS 384157077345701 50T 79 1991-09-04 1991-09-04 1
USGS 384207077272801 51T167 1990-07-23 1991-09-11 2
USGS 384217077360501 50T 69 1990-07-12 1990-07-12 1
USGS 384224077212201 52T 44 1990-07-19 1990-07-19 1
USGS 384248077331101 50T 28B 1980-07-30 1980-07-30 1
USGS 384259077292401 51T 177 1994-07-14 1994-07-14 1
USGS 384304077310401 50T 39C 1980-06-12 1980-06-12 1
USGS 384313077311001 50T 38C 1980-06-12 1980-06-12 1
USGS 384326077231801 51T116 2014-08-14 2014-08-14 3
USGS 384326077281001 51T105 1987-08-27 1987-08-27 1
USGS 384330077342001 50T 16B 1980-07-30 1980-07-30 1
USGS 384332077231901 51T168 1990-08-01 1990-08-01 1
USGS 384334077302701 50T 80 1991-08-22 1991-08-22 1
USGS 384352077313801 50T 52 1987-08-26 1987-08-26 1
USGS 384356077380101 49T 74 1991-09-05 1991-09-05 1
USGS 384401077313901 50T 51 1987-08-27 1987-08-27 1
USGS 384403077283801 51T 1A 1977-04-19 1991-08-29 3
USGS 384416077300101 50T 81 1991-08-29 1991-08-29 1
USGS 384419077232701 51T159 1990-07-19 1990-07-19 1
USGS 384456077340501 50T 33B 1980-05-16 1980-05-16 1
USGS 384506077335101 50U 138 1994-07-12 1994-07-12 1
USGS 384511077322201 50U116 1987-08-27 1987-08-27 2
USGS 384520077263001 51U 4H 1977-04-19 1991-08-29 3
USGS 384553077271601 51U144 1988-07-21 1988-07-21 1
USGS 384554077291501 51U111 1987-08-28 1987-08-28 1
USGS 384621077364801 50U137 1991-08-28 1991-08-28 1
USGS 384627077373001 50U128 1988-07-19 1991-08-28 2
USGS 384632077273401 51U 97H 1987-08-28 1991-02-05 3
USGS 384632077330501 50U135 1991-08-22 1991-08-22 1
USGS 384636077384901 49U 59 1987-08-28 1987-08-28 1
USGS 384640077361101 50U126 1990-08-01 1990-08-01 1
USGS 384644077271101 51U 16 1990-07-27 1991-09-10 2
USGS 384652077280401 51U104G 1987-08-28 1991-02-05 3
USGS 384652077400701 49U 75 1991-08-28 1991-08-28 1
USGS 384657077301901 50U122 1990-07-31 1991-09-11 2
USGS 384702077283401 51U103G 1987-08-28 1999-10-25 4
USGS 384702077284201 51U 99G 1990-07-30 1991-09-09 2
USGS 384705077265401 51U 10 1990-07-26 1991-02-04 2
USGS 384707077293701 51U101G 1990-07-31 1991-09-10 2
USGS 384710077363701 50U124 1991-08-21 1991-08-21 1
USGS 384712077290201 51U100G 1990-07-31 1991-09-10 2
USGS 384712077350301 50U118 1987-08-26 1987-08-26 1
USGS 384715077302601 50U123 1991-08-21 1991-08-21 1
USGS 384718077351201 50U117 1987-08-26 1987-08-26 1
USGS 384721077281801 51U 98G 1990-07-30 1991-09-09 2
USGS 384724077370301 50U125 1990-08-01 1990-08-01 1
USGS 384726077363801 50U 70G 1987-08-26 1987-08-26 1
USGS 384727077364001 50U 139 1994-06-15 1994-06-15 1
USGS 384728077270601 51U 11 1990-07-27 1991-09-10 2
USGS 384735077362501 50U 48D 1980-05-29 1980-05-29 1
USGS 384735077372801 50U110 1987-08-26 1987-08-26 1
USGS 384739077391301 49U 62 1990-08-01 1990-08-01 1
USGS 384740077292101 51U102D 1990-07-31 1991-09-11 2
USGS 384741077284401 51U106D 1990-07-31 1991-09-11 2
USGS 384751077295201 51U 19D 1991-08-21 1991-08-21 1
USGS 384819077342401 50U127 1988-07-19 1988-07-19 1
USGS 384842077342701 50U 76E 1987-08-26 1987-08-26 1
USGS 384844077375801 49U 72 1990-08-01 1990-08-01 1
USGS 384844077382501 49U 60 1987-08-26 1987-08-26 1
USGS 384848077380601 49U 73 1991-08-22 1991-08-22 1
USGS 384900077403501 49U 30E 1980-04-23 1980-04-23 1
USGS 384904077320601 50U 1F 1975-03-25 1975-05-05 3
USGS 384904077323601 WELL NUMBER 50U1 AT WELL HEAD MANASSAS, VA 1975-03-25 1975-03-25 2
USGS 384921077414201 49U 34E 1980-05-02 1980-05-07 2
USGS 384931077420301 49U 1 1970-02-03 1970-02-03 1
USGS 385019077330501 50U 97 1990-07-16 1990-07-16 1
USGS 385111077353101 50U 86 1990-07-16 1990-07-16 1
USGS 385114077380501 49U 74 1991-09-04 1991-09-04 1
USGS 385117077341801 50U133 1991-09-03 1991-09-03 1
USGS 385135077405501 49U 28B 1980-06-12 1980-06-12 1
USGS 385147077404701 49U 51 1990-07-10 1990-07-10 1
USGS 385153077410701 49U 63 1988-07-19 1988-07-19 1
USGS 385155077362801 50U136 1991-09-03 1991-09-03 1
USGS 385159077402501 49U 68 1990-07-10 1990-07-10 1
USGS 385205077352401 50U130 1990-07-17 1990-07-17 1
USGS 385210077400701 49U 69 1990-07-11 1990-07-11 1
USGS 385219077370401 50U106 1990-07-17 1990-07-17 1
USGS 385230077395501 49U 11C 1980-04-28 1980-04-28 1
USGS 385238077395101 49U 41J 1980-04-28 1980-04-28 1
USGS 385247077403401 49V 46 1990-07-11 1990-07-11 1
USGS 385256077375101 49V 43 1990-07-11 1990-07-11 1
USGS 385259077341201 50V 88 1988-07-19 1988-07-19 1
USGS 385337077402101 49V 58 1990-08-02 1991-02-04 2
USGS 385408077402801 49V 56 1990-08-02 1991-02-04 2
USGS 385429077394201 49V 53 1991-08-27 1991-08-27 2
USGS 385436077363301 50V 87 1988-07-19 1988-07-19 1
USGS 385505077392201 49V 55 1990-08-02 1991-02-04 2
USGS 385506077394201 49V 50 1991-08-26 1991-08-26 1
USGS 385509077394201 49V 49 1991-08-26 1991-08-26 1
USGS 385509077395101 49V 52 1991-08-26 1991-08-26 1
USGS 385534077394201 49V 57 1991-08-27 1991-08-27 1
USGS 385607077381101 49V 1 1970-02-03 1970-02-03 1
  group icon Alexandria City, Virginia
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 01652910 BACKLICK RUN AT ALEXANDRIA, VA 1969-04-30 1977-08-05 2
USGS 01653000 CAMERON RUN AT ALEXANDRIA, VA 1956-02-08 1980-07-22 7
USGS 384758077023101 54U 46E VA AMER WATER CO 1979-12-19 1979-12-19 1
USGS 384823077022301 54U 47F 1979-12-04 1979-12-04 1
  group icon Fairfax City, Virginia
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 0165388130 ACCOTINK CREEK AT CEDAR AVENUE AT FAIRFAX, VA 2001-12-07 2004-02-20 4
USGS 0165388205 ACCOTINK CREEK AB CHAIN BRIDGE RD AT FAIRFAX, VA 2001-12-07 2004-09-14 7
USGS 0165388210 STORM DRAIN AT HALLMAN STREET AT FAIRFAX, VA 2001-12-07 2004-09-14 7
USGS 0165388250 STORM DRAIN AT MAIN STREET AT FAIRFAX, VA 2001-12-07 2004-09-14 7
USGS 0165388255 STORM DRAIN ABOVE PAGE AVENUE AT FAIRFAX, VA 2001-12-07 2004-02-20 5
USGS 0165388290 ACCOTINK CR TRIB 1 AT CHAIN BR ROAD AT FAIRFAX, VA 2001-12-07 2004-09-14 7
USGS 0165388320 STORM DRAIN AT KENMORE DRIVE AT FAIRFAX, VA 2001-12-07 2004-09-14 7
USGS 0165388460 ACCOTINK CREEK AT DALE DRIVE AT FAIRFAX, VA 2001-12-07 2004-02-20 5
USGS 0165388630 ACCOTINK CREEK BELOW STAFFORD DRIVE AT FAIRFAX, VA 2001-12-07 2004-02-19 5
USGS 0165388740 ACCOTINK CR TRIB 2 BL EATON PLACE AT FAIRFAX, VA 2001-12-07 2004-09-14 7
USGS 0165388785 ACCOTINK CR TRIB 1 TRIB 2 AT ORCHRD AT FAIRFAX, VA 2001-12-07 2004-02-20 4
USGS 0165388795 ACCOTINK CR TRIB 1 TO TRIB 1 TO 2 AT FAIRFAX, VA 2004-09-14 2004-09-14 1
USGS 0165388840 ACCOTINK CR TRIB 1 TRIB 2 BL CHN BR AT FAIRFAX, VA 2004-02-20 2004-09-14 3
USGS 0165388845 ACCOTINK CR TRIB 1 TRIB 2 NR EATON AT FAIRFAX, VA 2003-04-17 2004-09-14 5
USGS 0165388850 ACCOTINK CR TRIB 1 TRIB 2 AB EATON AT FAIRFAX, VA 2004-02-20 2004-09-14 3
USGS 0165388880 ACCOTINK CR TRIB 1 TRIB 2 AT MOUTH AT FAIRFAX, VA 2001-12-07 2004-09-14 8
USGS 0165388895 STORM DRAIN AT LEE HIGHWAY AT FAIRFAX, VA 2001-12-07 2004-09-14 7
USGS 0165388995 ACCOTINK CR TRIB 2 BL STAFFORD DR AT FAIRFAX, VA 2001-12-07 2004-02-19 5
USGS 0165389060 ACCOTINK CR TRIB 2 TO TRIB 2 AT FAIRFAX, VA 2001-12-07 2002-10-24 3
USGS 0165389120 ACCOTINK CR TRIB 2 TRIB 2 AT MOUTH AT FAIRFAX, VA 2001-12-07 2004-02-19 5
USGS 0165389140 ACCOTINK CREEK TRIB 2 AT MOUTH AT FAIRFAX, VA 2001-12-07 2004-02-19 5
USGS 0165389205 ACCOTINK CREEK NEAR RANGER ROAD AT FAIRFAX, VA 2004-02-19 2004-02-19 1
USGS 0165389220 ACCOTINK CREEK ABOVE LEE HIGHWAY AT FAIRFAX, VA 2001-12-06 2004-02-19 5
USGS 0165389360 STORM DRAIN BELOW BEECH DRIVE AT FAIRFAX, VA 2001-12-06 2004-09-14 7
USGS 0165389380 ACCOTINK CREEK TRIB 3 AT MOUTH AT FAIRFAX, VA 2001-12-06 2004-02-19 5
USGS 0165389420 ACCOTINK CREEK BELOW ARLINGTON BLVD AT FAIRFAX, VA 2003-04-16 2004-02-19 2
USGS 0165389440 STORM DRAIN AT GREAT OAKS WAY AT FAIRFAX, VA 2001-12-06 2002-10-23 3
USGS 0165389450 ACCOTINK CREEK ABOVE OLD LEE HWY AT FAIRFAX, VA 2003-04-16 2004-02-19 2
USGS 0165389480 ACCOTINK CREEK BELOW OLD LEE HWY AT FAIRFAX, VA 2004-02-19 2007-03-16 59
USGS 0165389490 ACCOTINK CREEK ABOVE DANIELS RUN AT FAIRFAX, VA 2001-12-06 2004-09-14 7
USGS 0165389605 STORM DRAIN BELOW MAIN STREET AT FAIRFAX, VA 2001-12-07 2004-09-14 7
USGS 0165389615 STORM DRAIN AT COVER PLACE AT FAIRFAX, VA 2001-12-07 2004-09-14 7
USGS 0165389680 DANIELS RUN AT HERITAGE LANE AT FAIRFAX, VA 2001-12-07 2004-09-14 5
USGS 0165389685 STORM DRAIN AT HERITAGE LANE AT FAIRFAX, VA 2002-04-05 2003-04-17 2
USGS 0165389710 STORM DRAIN AT EMBASSY LANE AT FAIRFAX, VA 2001-12-07 2004-02-19 4
USGS 0165389715 DANIELS RUN AT EMBASSY LANE AT FAIRFAX, VA 2001-12-07 2004-02-19 5
USGS 0165389730 DANIELS RUN TRIBUTARY 1 AT MOUTH AT FAIRFAX, VA 2001-12-07 2004-09-14 7
USGS 0165389740 STORM DRAIN AT ESTEL ROAD AT FAIRFAX, VA 2001-12-07 2003-04-17 3
USGS 0165389770 DANIELS RUN AT ST ANDREWS DRIVE AT FAIRFAX, VA 2001-12-07 2003-04-17 4
USGS 0165389785 DANIELS RUN TRIBUTARY 2 AT MOUTH AT FAIRFAX, VA 2002-04-05 2004-09-14 6
USGS 0165389890 DANIELS RUN AT MOUTH AT FAIRFAX, VA 2001-12-06 2004-09-14 7
USGS 0165389920 ACCOTINK CREEK ABOVE PICKETT ROAD AT FAIRFAX, VA 2003-04-16 2004-02-19 2
USGS 0165390048 STORM DRAIN BELOW PICKETT ROAD AT FAIRFAX, VA 2001-12-06 2003-04-16 3
USGS 0165390050 STORM DRAIN AT OLD PICKETT ROAD AT FAIRFAX, VA 2001-12-06 2004-09-12 7
USGS 0165390670 ACCOTINK CR TRIB 4 BL ARLINGTON AT FAIRFAX, VA 2003-04-16 2004-09-14 5
USGS 0165390730 ACCOTINK CREEK TRIB 4 AT MOUTH AT FAIRFAX, VA 2001-12-06 2004-09-14 7