LOCATION.--Lat 43°06'02", long
        77°52'56" referenced to North American Datum of 1983,
        Monroe County, NY, Hydrologic Unit 04130003, on right bank at
        east end of Carrol Street in Churchville, 100 ft downstream
        from mainline tracks of Penn Central Transportation Co., and
        0.3 mi downstream from Black Creek Dam.
        DRAINAGE AREA.--130 mi².
        PERIOD OF RECORD.--October 1945 to current year.
        REVISIONS HISTORY.--WDR NY-82-3: Drainage area. WDR
        NY-00-3: 1998 (M), 1999 (M).
        GAGE.--Water-stage recorder. Datum of gage is 551.88 ft
        above NGVD of 1929 (New York State Department of Transportation
        bench mark) and 551.30 ft above NAVD of 1988.
        COOPERATION.--Water-quality samples were collected by
        the Monroe County Department of Environmental Services and
        analyzed by the Monroe County Environmental Laboratory at
        Rochester, NY. Prior to 2003, water-quality samples were
        collected by the Monroe County Environmental
        Health Laboratory at Rochester, N.Y.
        REMARKS.--Prior to May 1952, small diversion by Penn
        Central Transportation Co. and slight regulation by pumping
        operations upstream from station.
        Water Years 2014-24: Records good except those for estimated
        daily discharges, which are poor.
        EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 4,880
        ft³/s, Mar. 31, 1960, gage height, 9.44 ft; minimum discharge,
        0.16 ft³/s, July 17, 2016; minimum gage height, 0.93 ft, Aug.
        5, 6, 7, Sept. 15, 1959.
        PERIOD OF DAILY RECORD1.--WATER TEMPERATURE:
        October 1961 to September 1962.
        1 Water-Quality Records