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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.
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 2014-19: Records good except those for estimated daily discharges, which are fair.
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.

Peak Flow and Stage Information

Gage PhotoStation image


This station managed by the NY Water Science Center Ithaca.

Available Parameters Available Period
1990-10-01  2020-05-25
2008-08-30  2020-05-25


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Summary of all available data for this site
Instantaneous-data availability statement

Discharge, cubic feet per second

Most recent instantaneous value: 214 05-25-2020   10:15 EST
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for May 25 based on 47 water years of record more
Median Mean 75th
Most Recent
Value May 25
15.0 45 58 90 104 214 540

Gage height, feet

Most recent instantaneous value: 2.79 05-25-2020   10:15 EST
Graph of  Gage height, feet

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