LOCATION.--Lat 42°45'38.1", long
74°15'17.2" referenced to North American Datum of
1983, Schenectady County, NY, Hydrologic Unit 02020005, at
bridge on State Highway 20 in Esperance, 17.6 mi above
DRAINAGE AREA.--870 mi².
PERIOD OF RECORD.--Miscellaneous measurements--2011.
December 2017 to current year (gage height only).
GAGE.--Water-stage recorder and crest-stage gage. Datum
of gage is 551.31 ft above NAVD of 1988.
REMARKS.--Flow regulated to some extent by
Blenheim-Gilboa Pumped Storage Project about 37 mi upstream.
Entire flow, runoff from 315 mi², except for periods of spill,
diverted from Schoharie Reservoir through Shandaken Tunnel into
Esopus Creek upstream from Ashokan Reservoir for water supply
of City of New York. For days of reservoir outflow greater than
10 ft³/s, see station 01350101.
EXTREMES FOR PERIOD OF RECORD.--Maximum gage height,
17.85 ft, Dec. 25, 2020; minimum gage height, 0.78 ft, July 22,
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of April 1987
reached a stage of 24.03 ft, from floodmark. Flood of January
1996 reached a stage of 26.50 ft, from floodmark. Flood of
August 2011 reached a stage of 33.70 ft, from