This station is operated in cooperation
New York Power Authority
NYS Department of Environmental
Lat 42°32'13", long 74°24'38"
referenced to North American Datum of 1983, Schoharie County, NY,
Hydrologic Unit 02020005, on left bank 100 ft downstream from bridge on
State Highway 30, 0.9 mi north of Breakabeen, and 1.1 mi downstream
from Keyser Kill.
PERIOD OF RECORD.--
July 1975 to current year.
WDR NY-81-1: 1980(M). WDR NY-90-1: Drainage
area. WDR-US-2011: 1996.
Water-stage recorder and crest-stage gage. Datum of gage
is 686.79 ft above NGVD of 1929 (Soil Conservation Service
Records fair. Considerable regulation of flow by
Blenheim-Gilboa Pumped Storage Project about 8 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
see station 01350101. Satellite gage-height telemeter at station.
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, 134,000
/s, Aug. 28, 2011, gage height, 22.37 ft, outside gage
height was 23.47 ft, from floodmarks, from rating curve extended above
/s on basis of contracted-opening and
flow-over-road measurement at gage height about 19.5 ft and runoff
comparisons of peak flow with nearby stations; minimum discharge, 1.7
/s, Oct. 14, 1980; minimum gage height, 0.25 ft, Sept.
Peak Flow and Stage Information
Radar elevation may correspond to top of ice
during winter periods.