Goose Creek near Leesburg, Loudoun County VA (LEEV2)
Gage Location: Loudoun County, VirginiaSite Location: Loudoun County, Virginia
Latitude: 39.019Longitude: -77.578Elevation: 248.93 ft. MSLDrainage Area: 332 Sq. Mi.
Minor Stage: 12 ft. Moderate Stage: 18 ft.Major Stage: 15 ft.
First Flood: 1889-06-01Last Flood: 2014-05-16 Crest: 15.58 ft.Datum change: 2011-06-01Number of Floods: 41

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1889-06-012945000MajorC1 C8
1912-09-242013000MajorC1 G1
1932-05-1318.459650MajorC1 G1
1933-08-2321.617000MajorC1 G1
1934-12-01157010ModerateC1 G1
1936-03-1713.616010MinorC1 G1
1937-08-2626.8635600MajorC1 G1
1937-10-28178530ModerateC1 G1
1942-10-1622.935600MajorC1
1945-09-181818500MajorC1
1950-12-0418.2518600MajorC1
1952-04-2814.311700MinorC1
1952-11-2212.138840MinorC1
1956-07-2120.927600MajorC1
1958-01-1412.59280MinorC1
1965-03-0512.488600MinorC1
1967-08-251410300MinorC1
1968-01-1412.358470MinorC1
1970-11-1312.268380MinorC1
1972-06-2230.5978100MajorC1
1974-12-0218.8420300MajorC1
1976-01-0113.329490MinorC1
1976-10-0925.7448700MajorC1
1978-01-2614.9411700MinorC1
1979-02-2616.3614300ModerateC1
1983-04-1014.8611500MinorC1
1984-02-1516.3614000ModerateC1
1985-02-1215.8813100ModerateC1
1992-12-1119.0421000MajorC1
1996-01-2020.1124400MajorC1
1998-03-2117.4316500ModerateC1
2003-09-2323.3236900MajorC1
2003-12-1117.3116200ModerateC1
2005-07-0814.3410800MinorC1
2008-05-1218.920500MajorC1
2010-03-1313.089280MinorC1
2011-04-1714.4811000MinorC1
2012-10-3119.622700Majornone
2013-01-3118.4715800Majornone
2014-04-3014.079320Minornone
2014-05-1615.5811000Minornone



Codes and description

C1|Crest information looks unreliable and incomplete and not used in frequency calculations. Some of the floods are based on current flood stage and nearby gage information.
C2|Crest information looks reliable despite potential problems. This data was used in frequency calculations.
C3|Crest height estimated by the USGS.
C4|Crest height is from the National Weather Service.
C5|Crest height affected by backwater.
C6|Crest occurred at a previous flood stage that is lower than the current flood stage. The crests below the new flood stage are not used in flood frequency calculations.
C7|Crest from USGS yearly peak and/or date is different than the crest we provide. In many cases MARFC uses crest based on backwater or ice effects.
C8|Crest month or day of occurrence has been estimated by The Middle Atlantic River Forecast Center usually based on nearby gage information.
C9|Crest date (day) in the month is unknown.
F1|Flow is an estimate.
F2|Flow affected by regulation or diversion and in some cases to an unknown degree.
F3|Flow effected by snow-melt, ice jam or debris jam break up.
F4|Flow affected by dam failure.
F5|Flow - All or part of the record affected by urbanization, mining, agricultural changes, channelization or other factors.
G1|Gage height at a different site and/or datum.
G2|Gage is not an official USGS gage with crests provided by the NWS. Crest information looks unreliable and incomplete and not used in flood frequency calculations.
G3|Gage datum changed during this year.
none,No code; Good Data

Updated: 08:00 PM May 28, 2014