LOCATION.--Lat 42°57'26", long
77°35'20" referenced to North American Datum of 1983,
Monroe County, NY, Hydrologic Unit 04130003, on right bank 25
ft downstream from bridge on State Highway 65 at Honeoye Falls,
and 15.3 mi upstream from mouth.
DRAINAGE AREA.--196 mi².
PERIOD OF RECORD.--October 1945 to September 1970,
October 1972 to current year.
REVISIONS HISTORY.--WDR NY-82-3: Drainage area. Datum of
gage, prior to October 1970, was corrected on November 7,
GAGE.--Water-stage recorder. Datum of gage is 608.00 ft
above NGVD of 1929 and 607.49 ft above NAVD of 1988. Prior to
October 1970, at same site at datum 609.75 ft above NGVD of
1929 (609.98 ft, levels by U.S. Army Corps of Engineers). Prior
to Apr. 1, 2019, at datum 2.00 ft higher.
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.--Outlet of Honeoye Lake not controlled. Some
diversion from and regulation of Hemlock and Canadice Lakes for
water supply of City of Rochester. Prior to 1967 water year,
published monthly figures adjusted for change in contents in,
and diversion from, Hemlock and Canadice Lakes. Prior to about
1960, diurnal fluctuation at low flow caused by mills upstream
Water Years 2014-19: Records fair except those for estimated
daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 4,800
ft³/s, May 16, 2014, gage height, 7.63 ft, present datum;
maximum gage height, 8.17 ft, Mar. 28, 1950, present datum; no
flow, Aug. 12, 15, 2001.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of June 23,
1972, reached a stage of about 8.3 ft, present datum,
discharge, about 6,600 ft³/s, from rating curve extended above