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
2014-05-1615.5811000Moderatenone



Codes and description

C1|Crest information during this period may be incomplete and therefore was not used in frequency calculations. Some of the floods are based on current flood stage and nearby gage information.
C2|Crest information during this period 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: 07:31 AM Dec 19, 2014