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 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: 07:20 AM Nov 12, 2013