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Water-Year Summary for Site 01436690

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  

Water year 2018: 2017-10-01 to 2018-09-30
 

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USGS Water-Year Summary 2018
01436690 NEVERSINK RIVER AT BRIDGEVILLE, NY
LOCATION - Lat 41°38'17.0", long 74°37'00.8" referenced to North American Datum of 1983, Sullivan County, NY, Hydrologic Unit 02040104, on left bank 0.1 mi upstream from State Highway 17 bridge, and 0.25 mi upstream from Bridgeville.
DRAINAGE AREA - 171 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1992 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 1,056.14 ft above NGVD of 1929 and 1,055.56 ft above NAVD of 1988.
REMARKS - Entire flow from 92.5 mi² of drainage area controlled by Neversink Reservoir (station 01435900). Part of flow diverted for New York City municipal supply. Remainder of flow (except for conservation releases and spill) impounded for release during periods of low flow in the lower Delaware River basin, as directed by the Delaware River Master. Occasional regulation by Pleasure Lake at South Fallsburg.
Water Years 2014-18: Records good except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 25,900 ft³/s, Apr. 3, 2005, gage height, 21.25 ft, from floodmark in gage house; minimum discharge, 20 ft³/s, Dec. 31, 1998, result of freezeup; minimum gage height, 4.25 ft, Jan. 19, 2002, result of freezeup.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - WATER TEMPERATURE: October 1992 to current year.
INSTRUMENTATION - Water-temperature satellite and telephone telemeter provides 15-minute-interval readings. Prior to May 1993, satellite telemeter provided one-hour-interval readings.
REMARKS - Temperature readings prior to Oct. 1, 2007, rounded to the nearest 0.5 °C. Interruption of record was due to malfunction of recording instrument.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Prior to Oct. 1, 2007--Maximum, 26.5 °C, July 15, 1995; minimum, 0.0 °C on many days during winter periods. WATER TEMPERATURE: After Oct. 1, 2007--Maximum, 25.4 °C, July 7, 8, 2010; minimum, -0.2 °C, Feb. 16, 17, 2016.