MD-DE-DC Water Science Center
The following continuous-record stations in Maryland, Delaware, and the District of Columbia are active. Included are streamflow gaging stations. Daily streamflow records (discharge) have been collected and published for the period of record, expressed in water years, shown for each station. Water Years are defined as the period October 1 through September 30. For example, the Water Year 2005 is defined as October 1, 2004 through September 30, 2005.
A list of discontinued stations can be found at
http://md.water.usgs.gov/data/sw_disc.html.
A list of active tidal-height gaging stations can be found at
http://md.water.usgs.gov/data/tide_active.html.
Drainage Period
Station area of
number (mi2) record
Delaware River:
Shellpot Creek at Wilmington, DE ................01477800 7.46 1945-Present
Christina River at Coochs Bridge, DE ............01478000 20.5 1943-Present
White Clay Creek at Newark, DE ................01478650 69.0 1994-Present
White Clay Creek near Newark, DE ..............01479000 89.1 1931-1936
1943-1957
1959-Present
Red Clay Creek at Wooddale, DE ..............01480000 47.0 1943-Present
Red Clay Creek near Stanton, DE .............01480015 52.4 1988-Present
Brandywine Creek at Wilmington, DE ............01481500 314 1946-Present
Wiggins Millpond Outlet (head of Appoquinimink River):
Silver Lake tributary at Middletown, DE .......01483155 2001-Present
Blackbird Creek at Blackbird, DE ................01483200 3.85 1956-Present
St. Jones River at Dover, DE ......................01483700 31.9 1958-Present
Beaverdam Branch (head of Mispillion River)
at Houston, DE ................................01484100 2.83 1958-Present
Cow Bridge Branch (head of Indian River):
Millsboro Pond Outlet at Millsboro, DE ..........01484525 66.0 1986-88
1991-Present
Beaverdam Ditch nr Millville, DE ..................01484695 2.25 1998-Present
Birch Branch at Showell, MD .......................0148471320 6.38 2000-Present Bassett Creek near Ironshire, MD ..................01484719 1.22 2003-Present
Nassawango Creek near Snow Hill, MD .............01485500 44.9 1949-Present
Manokin Branch (head of Manokin River)
near Princess Anne, MD ..........................01486000 4.80 1951-1971
1974-Present
Andrews Branch (head of Wicomico River):
Beaverdam Creek near Salisbury, MD ..............01486500 19.5 1930-1932
1938-1975
2000-Present
Nanticoke River near Bridgeville, DE ..............01487000 75.4 1943-Present
Marshyhope Creek near Adamsville, DE ............01488500 43.9 1943-1969
1971-2003
2005-Present
Transquaking River:
Chicamacomico River near Salem, MD ..............01490000 15.0 1951-1980
2000-Present
Choptank River near Greensboro, MD ................01491000 113 1948-Present
Tuckahoe Creek near Ruthsburg, MD ...............01491500 85.2 1951-1956
2000-Present
Wye River:
Wye East River:
Sallie Harris Creek near Carmichael, Md. ......01492500 8.09 1951-1956
2000-Present
Chester River: Unicorn Branch near Millington, MD ..............01493000 22.3 1948-Present Morgan Creek near Kennedyville, MD ..............01493500 12.7 1951-Present
Big Elk Creek (head of Elk River) at Elk Mills, MD ................................01495000 52.6 1932-Present
Susquehanna River at Conowingo, MD ................01578310 27,100 1967-Present Deer Creek at Rocks, MD .........................01580000 94.4 1926-Present Deer Creek near Darlington, MD ..................01580520 168 2000-Present
Bynum Run at Bel Air, MD ..........................01581500 8.52 1944-1951
1955-1970
1999-Present
James Run near Belcamp. MD ........................01581649 9.15 2004-Present
Otter Point Creek:
Winters Run near Benson, MD .....................01581700 34.8 1967-Present
Winters Run near Belair, MD .....................01581750 37.0 1988-Present*
Plumtree Run near Belair, MD ....................01581752 2.50 2001-Present
Otter Point Creek near Edgewood, MD .............01581757 55.6 2000-Present*
Gunpowder Falls (head of Gunpowder River):
Gunpowder Falls at Hoffmanville, MD .............01581810 27.0 2000-Present
Grave Run near Beckleysville, MD ................01581830 7.68 2000-Present
Georges Run near Beckleysville, MD ..............01581870 15.8 2000-Present
Gunpowder Falls near Parkton, MD ................01581920 81.5 2000-Present
Mingo Branch near Hereford, MD ..................01581940 0.78 2000-Present
Beetree Run at Bentley Springs, MD ..............01581960 9.72 2000-Present
Little Falls at Blue Mount, MD ..................01582000 52.9 1944-Present
Gunpowder Falls at Glencoe, MD ....................01582500 160 1982-Present
Western Run:
Piney Run at Dover, MD ........................01583100 12.3 1982-1988
1997-Present
Western Run at Western Run, MD ..................01583500 59.8 1944-Present
Beaverdam Run:
Baisman Run:
Pond Branch at Oregon Ridge, MD ...........01583570 0.16 1983-1986
1998-Present
Baisman Run at Broadmoor, MD ..............01583580 1.47 1964-1969
1970-1976 (CSG)
1999-Present
Beaverdam Run at Cockeysville, MD .............01583600 20.9 1982-Present
Minebank Run near Glen Arm, MD ..................0158397967 2.06 2002-Present
Minebank Run at Loch Raven, MD ..................01583980 2.90 1997-Present
Long Green Creek at Glen Arm, MD ................01584050 9.40 1975-Present
Little Gunpowder Falls at Laurel Brook, MD ......01584500 36.1 1927-1970
1999-Present
Bird River:
Whitemarsh Run (head of Bird River):
Whitemarsh Run near Fullerton, MD .............01585090 2.73 1995-Present
North Fork Whitemarsh Run
near White Marsh, MD ......................01585095 1.34 1992-Present
Whitemarsh Run at Whitemarsh, MD ..............01585100 7.61 1959-1989
1992-Present
01585104
Honeygo Run at White Marsh, MD ..............01585105 2.65 1990-1993
2000-Present
Herring Run (head of Back River):
West Branch Herring Run at Idlewylde, MD ........01585200 2.13 1957-1965
1966-1987
1997-Present
Moores Run:
Moores Run tributary near Todd Avenue
at Baltimore, MD ............................01585225 1996-Present
Moores Run at Radecke Avenue at Baltimore, MD ...01585230 1996-Present
East Branch of North Branch Patapsco River:
West Branch of North Branch Patapsco River:
Cranberry Branch near Westminster, MD .........01585500 3.29 1949-Present
North Branch Patapsco River at Cedarhurst, MD .....01586000 56.6 1945-Present
Beaver Run near Finksburg, MD ...................01586210 14.0 1982-Present
Morgan Run near Louisville, MD ..................01586610 28.0 1982-Present
West Branch Herbert Run:
East Branch Herbert Run at Arbutus, MD ........01589100 2.47 1957-1989
1999-Present
Gwynns Falls at Glyndon, MD .....................01589180 0.23 1999-Present
Gwynns Falls near Delight, MD ...................01589197 4.23 1999-Present
Gwynns Falls tributary at McDonogh, MD ..........01589238 2000-Present
Scotts Level Branch at Rockdale, MD ...........01589290 2006-Present
Gwynns Falls at Villa Nova, MD ..................01589300 32.5 1957-1988
1997-Present
Powder Mill Run near Lochearn, MD .............01589305 2006-Present
Dead Run at Franklintown, MD ..................01589330 5.52 1960-1987
1998-Present
Rognel Heights Storm Sewer Outfall
at Baltimore, MD ..........................01589340 0.03 1999-Present
Gwynns Falls at Washington Blvd.
at Baltimore, MD ..............................01589352 1999-Present
Jones Falls at Sorrento, MD .....................01589440 25.2 1966-1988
1997-Present
Curtis Creek:
Furnace Creek:
Sawmill Creek at Glen Burnie, MD ............01589500 4.97 1944-1952
1983-Present
Severn Run (head of Severn River)
South Fork Jabez Branch at Millersville, MD .....01589795 1.0 1989-1990
1997-Present
Patuxent River near Unity, MD .....................01591000 34.8 1944-Present
Cattail Creek near Glenwood, MD .................01591400 22.9 1978-Present
Patuxent River below Brighton Dam
near Brighton, MD ...............................01591610 78.6 1980-Present
Hawlings River near Sandy Spring, MD ............01591700 27.0 1978-Present
Patuxent River near Laurel, MD ....................01592500 132 1944-Present
Little Patuxent River at Guilford, MD ...........01593500 38.0 1932-Present
Little Patuxent River at Savage, MD..............01594000 98.4 1939-1958
1975-1980
1985-Present
Patuxent River near Bowie, MD .....................01594440 348 1977-Present
Western Run at Upper Marlboro, MD ...............01594526 89.7 1985-1989
1992-Present
North Branch Potomac River:
North Fork Sand Run near Wilson, MD .............01594936 1.91 1980-Present
McMillan Fork near Ft. Pendelton, MD ............01594950 2.30 1986-Present
North Branch Potomac River at Steyer, MD ..........01595000 73.0 1956-Present
North Branch Potomac River at Kitzmiller, MD.......01595500 225 1950-1985
1986-Present*
North Branch Potomac River at Barnum, WV ..........01595800 266 1966-1985
1986-Present*
Savage River near Barton, MD ....................01596500 49.1 1948-Present
Savage River below Savage River Dam
near Bloomington, MD ..........................01597500 106 1948-Present
North Branch Potomac River at Luke, MD ............01598500 404 1899-1906
1949-Present
Georges Creek at Franklin, MD ...................01599000 72.4 1905-1906
1929-Present
North Branch Potomac River at Pinto, MD ...........01600000 596 1939-1985
1986-Present*
Wills Creek near Cumberland, MD .................01601500 247 1905-1906
1929-Present
North Branch Potomac River near Cumberland, MD ....01603000 875 1929-Present
Potomac River at Paw Paw, WV ......................01610000 3,129 1938-Present
Sideling Hill Creek at Bellegrove, MD ...........01610155 102 1967-1977
1999-Present
Tonoloway Creek near Hancock ....................01613095 111 2005-Present
Potomac River at Hancock, MD ......................01613000 4,073 1932-Present
Licking Creek near Pecktonville, MD .............01613525
2005-Present
Conococheague Creek at Fairview, MD .............01614500 494 1928-Present
Marsh Run at Grimes, MD .........................01617800 18.9 1963-Present
Antietam Creek:
Antietam Creek near Waynesboro, PA ..............01619000 93.5 1948-1951
1966-1981
2005-Present
Antietam Creek near Sharpsburg, MD ..............01619500 281 1897-1905
1928-Present
Catoctin Creek near Middletown, MD ..............01637500 66.9 1947-Present
Potomac River at Point of Rocks, MD ...............01638500 9,651 1895-Present
Monocacy River:
Monocacy River at Bridgeport, MD ................01639000 173 1942-Present
Big Pipe Creek (head of Double Pipe Creek)
at Bruceville, MD ...........................01639500 102 1947-Present
Monocacy River at Jug Bridge,
near Frederick, MD ............................01643000 817 1929-Present
Little Bennett Creek:
Soper Branch at Hyattstown, MD ..............01643395 2004-Present
Bennett Creek at Park Mills, MD ...............01643500 62.8 1948-1958
1966-Present
Little Seneca Creek tributary
near Clarksburg, MD ...........................01644368 2004-Present
Little Seneca Creek tributary
at Brink, MD ..................................01644370 2004-Present
Little Seneca Creek tributary
near Germantown, MD ...........................01644375 2004-Present
Cabin Branch near Boyds, MD .....................01644380 2004-Present
Great Seneca Creek near Quince Orchard, MD ......01644600 50.7 1997-Present
Seneca Creek at Dawsonville, MD .................01645000 101 1930-Present
Potomac River at Washington, DC ...................01646500 11,560 1930-Present
Rock Creek at Sherrill Drive, Washington, DC ....01648000 62.2 1929-Present
Northeast Branch Anacostia River (head of
Anacostia River) at Riverdale, MD .............01649500 72.8 1938-Present
Northwest Branch Anacostia River
near Colesville, MD .......................01650500 21.1 1924-1983
1997-Present
Northwest Branch Anacostia River
near Hyattsville, MD ........................01651000 49.4 1938-Present
Watts Branch at Washington, DC ................01651800 3.28 1992-Present
Piscataway Creek at Piscataway, MD ..............01653600 39.5 1965-Present
Mattawoman Creek near Pomonkey, MD ..............01658000 54.8 2000-Present
Zekiah Swamp (head of Wicomico River)
near Newtown MD ...............................01660920 79.9 1983-Present
St. Clement Creek (head of St. Clement Bay)
near Clements, MD .............................01661050 18.5 1968-Present
St. Marys River at Great Mills, MD ..............01661500 24.0 1946-Present
Monongahela River:
Youghiogheny River near Oakland, MD .............03075500 134 1941-Present
Youghiogheny River at Friendsville, MD ..........03076500 295 1898-1904
1940-Present
Bear Creek at Friendsville, MD ................03076600 48.9 1964-Present
Casselman River at Grantsville, MD ............03078000 62.5 1947-Present
CSG Operated as Crest-Stage Gage (flood height) for period other than during
continuous record; crest-stage only and other partial-record stations are
not included in this listing.
* Indicates that records have not been published for the dates indicated.
TBD To be determined.
List of discontinued surface-water discharge stations.
List of active tidal-height gaging stations.
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://md.water.usgs.gov/data/sw_active.html
Page Contact Information: webmaster@md.water.usgs.gov
Page Last Modified:
Thursday, April 24, 2008