Delaware River above Lackawaxen River at Barryville, Sullivan County NY (BRYN6)
Gage Location: Sullivan County, New YorkSite Location: Sullivan County, New York
Latitude: 41.509Longitude: -74.986Elevation: 600.22 ft. MSLDrainage Area: 2020 Sq. Mi.
Minor Stage: 17 ft. Moderate Stage: 20 ft.Major Stage: 26 ft.
First Flood: 1942-05-23Last Flood: 2011-09-08 Crest: 18.61 ft.Datum change: 1940-10-01Number of Floods: 19

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1942-05-2323.19105000Moderatenone
1942-12-3117.8969800Minornone
1948-03-2220.0784000Minornone
1948-12-3117.6368100Minornone
1951-03-3117.6568200Minornone
1952-12-1217.768600Minornone
1955-08-1926.4130000MajorF2
1959-01-2217.7368700MinorF2
1961-02-2418.19-9999MinorC7 F2
1973-06-2920.0683900MinorF2
1981-02-1120.9-9999MinorC7 F2 F3
1986-03-1519.2878700MinorF2
1996-01-2022.1898300ModerateF2
2004-09-1824.09112000ModerateF2
2005-04-0324.8118000ModerateF2
2006-06-2828.97151000MajorF2
2010-10-0117.1864300minorF2
2011-09-0717.0563500MinorF2
2011-09-0818.6173600MinorF2



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: 01:25 PM Jul 21, 2014