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Water-Year Summary for Site 01365500

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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Available Parameters
00060 Discharge(Mean)  

Water year 2021: 2020-10-01 to 2021-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 41°50'42", long 74°32'22" referenced to North American Datum of 1983, Sullivan County, NY, Hydrologic Unit 02020007, on right bank 600 ft downstream from Red Brook, and 0.6 mi upstream from bridge on State Highway 55, in Grahamsville.
DRAINAGE AREA - 20.9 mi².
REVISIONS HISTORY - Discharge for the period Oct. 1, 2018 to Sept. 30, 2019, was revised on Nov. 6, 2020, based on changes to the stage-discharge rating.
PERIOD OF RECORD - October 1938 to March 1987, October 1998 to current year. Monthly discharge only for some periods, published in WSP 1302.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 878.96 ft above NGVD of 1929 and 878.31 ft above NAVD of 1988. Prior to October 1998, at datum 2.00 ft higher. Concrete control destroyed April 2005.
REMARKS - Slight seasonal regulation caused by Beaverdam Pond on Red Brook.
Water Years 2014-20: Records fair.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 4,640 ft³/s, Oct. 15, 1955, gage height, 7.02 ft, present datum, from rating curve extended above 1,400 ft³/s on basis of slope-area measurement at gage height 6.68 ft, present datum; minimum discharge, 1.4 ft³/s, Nov. 1, 1964.