Funding for this site is provided by:
42°55'05.6", long 77°13'58.0" 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.
PERIOD OF RECORD.--
November 1939 to current year. Prior to
October 1964, published as "Canandaigua Lake Outlet."
WSP 2112: Drainage area.
Water-stage recorder. Datum of gage is 671.44 ft above
NGVD of 1929 and 670.92 ft above NAVD of 1988. Prior to June 25, 1974,
at site 0.1 mi upstream at datum 5.46 ft higher.
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. Water Years 2018-19: Records fair
except those for estimated daily discharges, which are poor.
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