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

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Date of Flood Crest(ft) Streamflow(cfs) Category Code 1942-05-23 23.19 105000 Moderate none 1948-03-22 20.07 84000 Minor none 1948-12-31 17.89 69800 Minor none 1951-03-31 17.65 68200 Minor none 1952-12-12 17.7 68600 Minor none 1955-08-19 26.4 130000 Major (A) 1959-01-22 17.73 68700 Minor (A) 1961-02-24 18.19 -9999 Minor (A) 1973-06-29 20.06 -9999 Minor (A) 1981-02-11 20.9 -9999 Minor (A) (9) 1986-03-15 19.28 78700 Minor (A) 1996-01-20 22.18 98300 Moderate (A) 2004-09-18 24.09 112207 Moderate (A) 2005-04-03 24.8 118000 Moderate (A) 2006-06-28 28.97 151000 Major (A) 2010-10-01 17.18 64300 minor none 2011-09-07 17.05 63500 Minor none 2011-09-08 18.61 73600 Minor none

MARFC Codes
Code Description
(!!!) Datum changed during this year.
(1) Backwater Effect.
(2) 15.77 ft also occurred on 11/25/1950 but only counted as one flood.
(3) Estimated from currrent USGS rating table.
(4) Estimated height from the USGS.
(5) Gage height at a different site and/or datum
(6) Discharge affected by Regulation or Diversion
(7) Due to changes, prior floods were based on present flood stage. Therefore, flood data could possibly be incomplete.
(8) Gage is a staff gage and not the offical USGS gage. Therefore, some floods may be missing from our study.
(9) Discharge effected by snow-melt, ice jam or debris jam break up
(A) Discharge affected to unknown degree by regulation or diversion.
(B) Month or day of occurrence is unknown or not exact.
(C) All or part of the record affected by urbanization, mining, agricultural changes, channelization, or other factors.
(D) Crest height adjusted to current datum.
(E) Estimated discharge.
(F) Only annual maximum peak available for this year.
(O) This flood occurred at a previous flood stage that is lower than the current flood stage. This is only a historical flood.
** Crest information looks reasonable despite potential problems. This data was used in our study.
*** Crest information looks unreliable and incomplete and was not used in our flood frequency study.
**** Gauge was discontinued in 2004. 2004 and later was not used in our study.
none No code

Updated: 08:58 AM Jun 28, 2012