LOCATION.--Lat 42°25'38", long 76°31'18" referenced to North American Datum of 1983, Tompkins County, NY, Hydrologic Unit 04140201, on left bank, on the upstream abutment face of flood-control weir, at east end of unnamed gravel road, 0.3 mi east of State Highway 13A, 0.9 mi downstream from Buttermilk Creek and 2.4 mi upstream from mouth.
DRAINAGE AREA.--86.7 mi².
PERIOD OF RECORD.--Water years 1971-72, 1975-2005 (annual maximum only). June 2012 to current year.
GAGE.--Water-stage recorder. Datum of gage is 379.97 ft above NGVD of 1929 and 379.29 ft above NAVD of 1988.
REMARKS.--Water Years 2014-15: Records good except those for estimated daily discharges, which are fair.
Water Years 2016-23: Records fair except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 12,500 ft³/s, Jan. 19, 1996, gage height, 14.67 ft, from rating curve extended above 1,600 ft³/s on basis of flow-over-dam measurement at gage height 14.60 ft; minimum discharge, 2.4 ft³/s, Sept. 5, 6, 8, 2016; minimum gage height, 4.22 ft, Aug. 9, 2016, Oct. 15, 2020, Oct. 12, 2022.

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