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.
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 2014-19: 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.
PERIOD OF DAILY RECORD1.--WATER TEMPERATURE:
October 1992 to current year.
INSTRUMENTATION1.--Water-temperature
satellite and telephone telemeter provides 15-minute-interval
readings. Prior to May 1993, satellite telemeter provided
one-hour-interval readings.
REMARKS1.--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 RECORD1.--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.
1 Water-Quality Records
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