This station is operated in cooperation
National Weather Service
U.S. Army Corps of Engineers - Buffalo District
U.S. Geological Survey
Lat 42°55'04", long 77°45'27"
referenced to North American Datum of 1927, Livingston County, NY,
Hydrologic Unit 04130003, on right bank 250 ft downstream from bridge
on U.S. Highway 20 (State Highway 5), 0.3 mi west of Avon, 0.8 mi
downstream from Conesus Creek, and 35.6 mi upstream from mouth.
PERIOD OF RECORD.--
August 1955 to current year.
WDR NY-82-3: Drainage area.
Water-stage recorder. Datum of gage is 500.11 ft above
NGVD of 1929.
Records good except those for estimated daily
discharges, which are fair. Diurnal fluctuation at low flow caused by
powerplant. Flow regulated to some extent by Rushford Lake, at high
flows by Mount Morris Lake (see station 04224000), and by Conesus Lake
(see station 04227980). Monthly figures of discharge and runoff August
1955 to September 1965 adjusted for change in contents in Rushford Lake
and Mount Morris Lake. U.S. Army Corps of Engineers, Buffalo District
telephone gage-height telemeter and satellite gage-height telemeter at
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, 16,500
/s, June 25, 1972, gage height 40.67 ft; minimum
discharge, 47 ft3
/s, Oct. 10, 11, 1980, gage height, 13.70
Derived from NY Annual Water-Data Report 2011
Peak Flow and Stage Information