Conococheague Creek at Fairview, Washington County MD (FAVM2)
Gage Location: Washington County, MarylandSite Location: Washington County, Maryland
Latitude: 39.719Longitude: -77.825Elevation: 391.85 ft. MSLDrainage Area: 494 Sq. Mi.
Minor Stage: 10 ft. Moderate Stage: 12 ft.Major Stage: 15 ft.
First Flood: 1889-06-01Last Flood: 2014-06-13 Crest: 14.87 ft.Datum change: 2011-05-18Number of Floods: 49

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1889-06-0116.522000MajorC3 C9
1905-03-0316.522000MajorC1
1924-03-291613000MajorC1 C9 G1
1929-04-1611.37780MinorC1 G1
1929-10-2210.87280MinorC1 G1
1933-08-2413.39000ModerateC1 C5 G1 G3
1934-09-1711.610700MinorC1 G3
1934-12-0114.816300ModerateC1
1936-03-1813.2713700ModerateC1
1937-04-2813.8414200ModerateC1
1942-10-1612.1711100ModerateC1
1945-09-1810.37950MinorC1
1950-11-2511.7210200MinorC1
1952-03-1214.4415500ModerateC1
1952-11-2215.1617100MajorC1
1955-03-2210.217820MinorC1
1958-05-06107510MinorC1
1961-02-2611.439630MinorC1
1963-03-0610.918890MinorC1
1965-03-0512.2411100ModerateC1
1966-02-1412.6912000ModerateC1
1967-03-0710.578360MinorC1
1970-04-0312.0710800ModerateC1
1972-06-2324.532400MajorC1
1973-10-2911.339560MinorC1
1975-09-2614.7915800ModerateC1
1976-10-091618000MajorC1
1979-01-2512.9712500ModerateC1
1984-02-1517.9721500MajorC1
1986-03-1511.469780MinorC1
1987-04-0510.187760MinorC1
1988-05-1910.568330MinorC1
1989-05-1710.167730MinorC1
1990-10-2310.047550MinorC1
1993-04-0212.1711000ModerateC1
1993-11-2814.1114600ModerateC1
1996-06-1915.2316700MajorC1
1997-11-0813.613600ModerateC1
2003-06-0414.0814500ModerateC1
2004-09-1913.7513900ModerateC1
2005-03-2911.449740MinorC1
2008-03-0611.449740MinorC1
2010-05-2414.0414400ModerateC1
2011-04-1713.6113500ModerateC1
2011-09-1011.5510000Minornone
2011-11-2310.17100Minornone
2012-10-3111.769690Minornone
2014-05-1710.748000Minornone



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