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LOCATION.--Lat 42°55'05", long 77°13'58" referenced to North American Datum of 1983, Ontario County, NY, Hydrologic Unit 04140201, on right bank at Chapin, 25 ft upstream from bridge on State Highway 488, and 4.1 mi downstream from Canandaigua Lake.
DRAINAGE AREA.--195 mi².
PERIOD OF RECORD.--November 1939 to current year. Prior to October 1964, published as "Canandaigua Lake Outlet."
REVISIONS HISTORY.--WSP 2112: Drainage area.
GAGE.--Water-stage recorder. Datum of gage is 671.44 ft above NGVD of 1929 and 670.92 ft above NAVD of 1988 (VERTCON). Prior to June 25, 1974, at site 0.1 mi upstream at datum 5.46 ft higher.
REMARKS.--Flow regulated by Canandaigua Lake (station 04234500), from which water is diverted for municipal supply by Villages of Newark, Palmyra, and Gorham. Monthly runoff adjusted for change in contents in Canandaigua Lake from October 1945 to September 1966.
Water Years 2014-17: Records good except those for estimated daily discharges, which are fair.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 1,710 ft³/s, June 24, 1972, gage height, 5.62 ft, site and datum then in use; maximum gage height, 6.61 ft, Apr. 2, 1993; minimum discharge, 4.4 ft³/s, Sept. 24, 1991.

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 1990-10-29  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: 291 01-17-2019   23:30 EST
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Daily discharge, cubic feet per second -- statistics for Jan 18 based on 78 years of record more
Median Mean 75th
Most Recent
Value Jan 18
7.60 47 112 168 281 291 600

Gage height, feet

Most recent instantaneous value: 4.19 01-17-2019   23:30 EST
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