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Water-Year Summary for Site 04275000

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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 2021: 2021-10-01 to 2022-09-30
 

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USGS Water-Year Summary 2021
04275000 EAST BRANCH AUSABLE RIVER AT AU SABLE FORKS, NY
LOCATION - Lat 44°26'14.6", long 73°40'51.5" referenced to North American Datum of 1983, Essex County, NY, Hydrologic Unit 04150404, on left bank 700 ft upstream from bridge on Burt Street, and 0.5 mi upstream from confluence with West Branch, in Au Sable Forks.
DRAINAGE AREA - 198 mi².
REVISIONS HISTORY - WSP 759: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Occasional discharge measurements, water years 1910-11. September 1924 to September 1995, October 1996 to February 2016 (annual maximum only), March 2016 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 545.37 ft above NGVD of 1929 and 544.90 ft above NAVD of 1988. Prior to Sept. 21, 1938, nonrecording gage at Grove Road bridge in Au Sable Forks, 400 ft upstream from confluence with West Branch Ausable River, at datum 3.54 ft lower.
REMARKS - Minor storage in Upper and Lower Ausable Lakes. During the 1920s to 1950s, flows could have been affected by operation of a hydroelectric plant (Nye Dam) near Upper Jay. Water Years 2016-20: Records good except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 31,500 ft³/s, Aug. 28, 2011, from rating curve extended above 13,900 ft³/s on basis of contracted-opening measurement of peak flow at gage height 15.22 ft; maximum gage height, 18.51 ft, from floodmark in gage house; minimum discharge observed, 20 ft³/s, Aug. 11, 14, 28, 1934.