West Branch Delaware River at Walton, Delaware County NY (WALN6)
Gage Location: Delaware County, New YorkSite Location: Delaware County, New York
Latitude: 42.166Longitude: -75.14Elevation: 1190.3 ft. MSLDrainage Area: 332 Sq. Mi.
Minor Stage: 9.5 ft. Moderate Stage: 14 ft.Major Stage: 16 ft.
First Flood: 1950-12-04Last Flood: 2015-04-10 Crest: 9.55 ft.Datum change: 2009-10-09Number of Floods: 60

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1950-12-0412.2512800MinorC1
1952-03-119.526310MinorC1
1952-12-1112.6714300MinorC1
1954-02-179.726690MinorC1
1955-08-1912.8715100MinorC1
1956-04-0512.0711200MinorC1
1957-01-239.566220MinorC1
1957-12-2110.137200MinorC1
1959-01-2213.7615700MinorC1
1960-04-0412.6712700MinorC1
1961-02-2611.6110500MinorC1
1962-04-0110.858830MinorC1
1963-03-2712.9513900MinorC1
1964-03-0513.6615800MinorC1
1970-04-0310.217550MinorC1
1971-03-169.546240MinorC1
1972-03-0311.359000MinorC1
1973-06-2913.1914500MinorC1
1973-12-2113.2614700MinorC1
1975-02-2511.4910200MinorC1
1976-01-2712.8513600MinorC1
1977-03-1414.1617400ModerateC1
1978-01-0913.5115400MinorC1
1979-03-0512.5212800MinorC1
1980-03-2211.4510000MinorC1
1981-02-1114.3417900ModerateC1
1982-02-0410.37600MinorC1
1983-04-2510.678400MinorC1
1983-12-14119090MinorC1
1986-03-1514.8419500ModerateC1 C3
1987-04-0513.314800MinorC1
1989-10-219.816420MinorC1
1990-11-1110.197110MinorC1
1991-11-2310.848380MinorC1
1993-03-3012.7212700MinorC1
1994-04-079.756310MinorC1
1996-01-1916.3625000MajorC1
1996-11-0914.418200ModerateC1
1998-01-0911.9411300MinorC1
1999-01-2410.588260MinorC1
2000-02-2812.1911900MinorC1
2001-04-1010.578240MinorC1
2003-03-2111.219620MinorC1
2004-09-1813.4115200MinorC1
2005-04-0314.4518400ModerateC1
2006-06-2816.8528600MajorC1
2007-03-1510.518100MinorC1
2008-03-0512.0311500MinorC1
2009-03-099.786690MinorC1
2010-01-2511.119380Minornone
2010-03-2311.069270Minornone
2010-10-0114.7519700moderatenone
2011-03-0611.7810900Minornone
2011-03-1112.2512100Minornone
2011-08-2913.6616000Minornone
2011-09-0814.418500Moderatenone
2013-03-129.66360Minornone
2013-05-309.946990Minornone
2015-04-099.646010Minornone
2015-04-109.555860Minornone



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: 08:58 PM Apr 10, 2015