Opequon Creek near Martinsburg, Berkeley County WV (MBGW2)
Gage Location: Berkeley County, West VirginiaSite Location: Berkeley County, West Virginia
Latitude: 39.424Longitude: -77.939Elevation: 354.89 ft. MSLDrainage Area: 273 Sq. Mi.
Minor Stage: 10 ft. Moderate Stage: 12.5 ft.Major Stage: 15 ft.
First Flood: 1936-03-18Last Flood: 2014-05-17 Crest: 15.21 ft.Datum change: 1947-07-23Number of Floods: 142

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1936-03-1817.519100MajorC1 C8 F1
1948-12-1710.272660Minornone
1948-12-3010.412700Minornone
1950-05-1910.362740Minornone
1950-11-2611.083950Minornone
1950-12-0414.129100Moderatenone
1951-04-1310.983800Minornone
1952-04-2813.097190Moderatenone
1952-09-0111.654700Minornone
1952-11-2213.126980Moderatenone
1955-08-1311.133700Minornone
1955-08-1911.924900Minornone
1959-06-0311.544300MinorC2
1961-02-2010.563110Minornone
1961-04-1310.673190Minornone
1962-03-1310.543030Minornone
1963-03-2010.773270Minornone
1964-03-0410.352910Minornone
1965-03-0510.93430Minornone
1967-03-0711.764660MinorC2
1968-03-1710.272920Minornone
1970-11-1315.8114000Majornone
1971-02-1412.245430Minornone
1971-05-3111.023630Minornone
1972-02-1410.923520Minornone
1972-06-2217.4519000Majornone
1972-06-3012.716280Minornone
1972-11-1412.55900Minornone
1972-11-2011.283900Minornone
1972-12-0913.097000Moderatenone
1972-12-2210.623220Minornone
1973-04-2810.413030Minornone
1973-10-2910.513170Minornone
1973-12-2711.013610Minornone
1974-12-0212.816680Minornone
1975-03-2011.644580Minornone
1975-06-0112.215540Minornone
1975-07-2112.836720Minornone
1975-09-2514.159460Moderatenone
1975-10-1810.433050Minornone
1976-01-0112.085300Minornone
1976-10-1014.7310900Moderatenone
1977-04-0511.183910Minornone
1978-01-2610.443060Minornone
1978-03-1512.165450Minornone
1978-03-2710.893550Minornone
1978-05-1710.272900Minornone
1978-08-0713.58060Moderatenone
1979-01-2210.613230Minornone
1979-01-2511.814860Minornone
1979-02-2612.546130Minornone
1979-07-2010.643260Minornone
1979-10-1111.584490Minornone
1980-05-2210.93560Minornone
1982-06-1412.987020Minornone
1983-03-1910.423040Minornone
1983-04-1011.033720Minornone
1983-04-2511.774790Minornone
1984-02-1514.9911600Moderatenone
1984-02-2410.443060Minornone
1984-03-2913.728500Moderatenone
1984-04-0511.274040Minornone
1984-04-1510.142790Minornone
1984-11-2911.64520Minornone
1985-02-1312.997040Minornone
1986-03-1511.434260Minornone
1987-04-0510.673290Minornone
1987-04-1712.055250Minornone
1988-05-0711.153870Minornone
1988-05-1916.2915500Majornone
1988-05-2112.165450Minornone
1990-10-1314.079270Moderatenone
1990-10-2311.644580Minornone
1990-12-3110.262890Minornone
1991-03-2411.54360Minornone
1992-03-0710.032700Minornone
1992-04-2215.2712300Majornone
1992-12-1111.594500Minornone
1993-03-0515.3812600Majornone
1993-03-2210.312930Minornone
1993-03-2411.073760Minornone
1993-03-2810.463080Minornone
1993-04-0210.423040Minornone
1993-04-1711.794810Minornone
1993-04-2210.372990Minornone
1993-11-2813.267510Moderatenone
1993-12-0512.455970Minornone
1994-02-2510.943600Minornone
1994-03-1111.874940Minornone
1994-03-2911.584480Minornone
1994-08-1810.913570Minornone
1995-01-1610.813450MinorC2
1995-10-2211.254000Minornone
1996-01-2018.7623400Majornone
1996-01-2710.863510Minornone
1996-03-2011.965090Minornone
1996-04-0211.013690Minornone
1996-08-0111.784800Minornone
1996-08-0311.624540Minornone
1996-08-1311.925030Minornone
1996-09-0715.0611700Majornone
1996-10-1912.375820Minornone
1996-11-0912.536110Minornone
1996-12-1410.913570Minornone
1997-03-0410.362980Minornone
1997-11-0812.165440Minornone
1998-01-0910.573190Minornone
1998-01-2912.085300Minornone
1998-02-0613.097170Moderatenone
1998-02-2411.474320Minornone
1998-03-1910.493110Minornone
1998-03-2114.4110100Moderatenone
2001-03-2210.583200Minornone
2003-01-0211.416370Minornone
2003-02-2310.5-9999Minornone
2003-03-2111.51-9999Minornone
2003-06-2212.826370Minornone
2003-09-2010.36-9999Minornone
2004-09-0913.216980Moderatenone
2005-03-2912.025030Minornone
2005-11-3011.74540Minornone
2006-06-2812.86330Minornone
2007-04-1610.593110Minornone
2008-04-2112.55800Minornone
2008-04-2710.663170Minornone
2008-05-1212.916530Minornone
2009-05-0510.072660Minornone
2009-12-1010.422950Minornone
2010-01-2612.155230Minornone
2010-03-1412.916530Minornone
2010-03-2910.633140Minornone
2010-12-0210.132710Minornone
2011-03-1110.232790Minornone
2011-04-1712.45640Minornone
2011-04-2810.382920Minornone
2011-05-1812.325500Minornone
2011-12-0810.233070Minornone
2012-10-3113.467320Moderatenone
2013-01-3112.045060Minornone
2013-12-0710.63340Minornone
2013-12-3010.53250Minornone
2014-05-1715.219980Majornone



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