PROVISIONAL DATA SUBJECT TO REVISION
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LOCATION.--Lat 42°58'40.6", long
78°45'49.3" 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.--79.7 mi².
PERIOD OF RECORD.--October 1972 to current year.
REVISIONS HISTORY.--WDR NY-82-3: Drainage area.
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 2014-21: Records good except those for estimated daily discharges, which are fair. Water Years 2022-23: Records good except those for estimated daily discharges, which are poor.
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.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of March 17, 1936, reached a discharge of about 6,800 ft³/s.
DRAINAGE AREA.--79.7 mi².
PERIOD OF RECORD.--October 1972 to current year.
REVISIONS HISTORY.--WDR NY-82-3: Drainage area.
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 2014-21: Records good except those for estimated daily discharges, which are fair. Water Years 2022-23: Records good except those for estimated daily discharges, which are poor.
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.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of March 17, 1936, reached a discharge of about 6,800 ft³/s.
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