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This station is operated in cooperation
with:
New York City Department of Environmental
Protection
New York Power Authority
NYS Department of Environmental
Conservation
LOCATION.--Lat 42°19'10", long 74°26'13"
referenced to North American Datum of 1927, Greene County, NY,
Hydrologic Unit 02020005, on left bank 100 ft upstream from bridge on
State Highway 23 in Prattsville, 0.2 mi upstream from Schoharie
Reservoir, 0.2 mi downstream from Huntersfield Creek, and 1.6 mi
downstream from Batavia Kill.
DRAINAGE AREA.--237 mi2.
PERIOD OF RECORD.--November 1902 to current year.
REVISED RECORDS.--WSP 1432: 1937-38. WDR NY-87-1: 1956(M),
1972(M), 1974-76(M), 1978(P), 1979(M), 1980(P), 1981(M), 1984(M). WDR
NY-90-1: Drainage area.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage
is 1,131.57 ft above NGVD of 1929. Prior to Oct. 1, 1915, nonrecording
gage, and Oct. 1, 1915 to July 17, 1936, water-stage recorder, at old
highway bridge 80 ft upstream, and July 18, 1936 to July 15, 1954,
water-stage recorder at site 0.2 mi downstream, all at datum 1.56 ft
lower than present datum.
REMARKS.--Records fair except those for estimated daily
discharges, which are poor. Seasonal diversion for snowmaking by Hunter
Mountain ski area near Tannersville and Ski Windham ski area at
Windham. Satellite and telephone gage-height telemeter at
station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 120,000
ft3/s, Aug. 28, 2011, gage height, 24.38 ft, from floodmark
in adjacent gage house, from rating curve extended above 18,000
ft3/s on basis of contracted-opening measurements at gage
heights 18.37 ft and 19.14 ft and slope-area measurement at gage height
24.38 ft; minimum discharge not determined.
Derived from NY Annual Water-Data Report 2011
Peak Flow and Stage Information
Radar elevation may correspond to top of ice
during winter periods.
This station managed by the NY Water Science Center, Troy.
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