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Water-Year Summary for Site 01350212

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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
00060 Discharge(Mean)  

Water year 2023: 2023-10-01 to 2024-09-30

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USGS Water-Year Summary 2023
LOCATION - Lat 42°28'21.5", long 74°26'28.1" referenced to North American Datum of 1983, Schoharie County, NY, Hydrologic Unit 02020005, on right bank at bridge on State Highway 30, 0.8 mi downstream from West Brook, and 2 mi northeast of North Blenheim.
DRAINAGE AREA - 405 mi².  
PERIOD OF RECORD - November 2017 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 766.54 ft above NAVD of 1988.
REMARKS - Regulation of flow by New York Power Authority Blenheim-Gilboa Pumped Storage Project upstream from gage. 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. Water Years 2018-22: Records fair except those for estimated discharges, which are poor.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Aug. 28-29, 2011, reached a stage of 26.97 ft, from floodmark. Flood of Jan. 19-20, 1996, reached a stage of 22.72 ft, from floodmark. Flood of Apr. 4-5, 1987, reached a stage of 21.19 ft, from floodmark.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 43,300 ft³/s, Dec. 25, 2020, gage height, 18.45 ft, from rating curve extended above 20,000 ft³/s; minimum discharge, 8.76 ft³/s, Aug. 14, 15, 2022, gage height 1.54 ft.