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Water-Year Summary for Site 04218518

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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
LOCATION - Lat 42°58'40", long 78°45'49" referenced to North American Datum of 1983, Erie County, NY, Hydrologic Unit 04120104, on right bank 15 ft upstream from bridge on State Highway 324 (Sheridan Drive), 0.8 mi upstream from sewage treatment plant, 1.4 mi northwest of Williamsville, and 10.8 mi upstream from mouth.
DRAINAGE AREA - 81.6 mi².
REVISIONS HISTORY - WDR NY-82-3: Drainage area.
PERIOD OF RECORD - October 1972 to current year.
GAGE - Water-stage recorder. Datum of gage is 586.41 ft above NGVD of 1929 and 585.95 ft above NAVD of 1988.
REMARKS - Regulation by seasonal manipulation of dam at Island Park 2.4 mi upstream by Village of Williamsville and by intermittent pumping from stone quarries into stream upstream from station. Records at medium and high flows may be comparable with those published as Ellicott Creek at Williamsville (station 04218500) at site 2.2 mi upstream between October 1955 and September 1972.
Water Years 2014-20: Records good except those for estimated daily discharges, which are fair.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of March 17, 1936, reached a discharge of about 6,800 ft³/s.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 3,640 ft³/s, Feb. 25, 1985, gage height, 11.19 ft; no flow for part of Jul. 27, 1976, gage height, 0.73 ft, result of pipeline construction.