This station is operated in cooperation
New York State Canals
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
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 (VERTCON). Prior to June
25, 1974, at site 0.1 mi upstream at datum 676.90 ft above NGVD of
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 2014-16: Records good except those for estimated daily
discharges, which are fair.
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, 1,710
/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