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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, water year 1972 (annual maximum only), 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, 2017.
GAGE.--Water-stage recorder. Datum of gage is 610.00 ft above NGVD of 1929 and 609.49 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).
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 from station.
Water Years 2014-17: 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, 5.63 ft; maximum gage height, 6.42 ft, Mar. 28, 1950, datum then in use; no flow, Aug. 12, 15, 2001.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of June 23, 1972, reached a stage of about 6.3 ft, present datum, discharge, about 6,600 ft³/s, from rating curve extended above 3,300 ft³/s.

Peak Flow and Stage Information

Gage PhotoStation image


This station managed by the NY Water Science Center Ithaca.

Available Parameters Available Period
All 2 Available Parameters for this site
00060 Discharge 1986-12-10  2019-01-17
00065 Gage height 2007-10-01  2019-01-17

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Instantaneous-data availability statement

Discharge, cubic feet per second

Most recent instantaneous value: 120 01-17-2019   22:05 EST
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Daily discharge, cubic feet per second -- statistics for Jan 17 based on 70 years of record more
Median Most Recent
Value Jan 17
Mean 75th
1.20 40 81 120 129 166 922

Gage height, feet

Most recent instantaneous value: 1.24 01-17-2019   22:05 EST
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