LOCATION.--Lat 43°04'43", long
76°38'44" referenced to North American Datum of 1983,
Cayuga County, NY, Hydrologic Unit 04140201, on right bank 50
ft upstream from State Highway 38 bridge, 3.0 mi north of Port
Byron, and 10.1 mi upstream from Cross Lake.
DRAINAGE AREA.--2,815 mi².
PERIOD OF RECORD.--August 1996 to current year.
REVISIONS HISTORY.--Discharge for the periods Mar. 29,
2017 to Apr. 1, 2017 and Apr. 22, 2017 to May 1, 2017, was
revised on Mar. 21, 2018, based on changes to the
GAGE.--Acoustic velocity meter, water-stage recorder,
and crest-stage gage. Datum of gage is 369.00 ft above NAVD of
1988. Prior to Apr. 1, 2019, at datum 70.00 ft lower.
COOPERATION.--Records of gate openings, lockages, and
elevations of water surface in Erie (Barge) Canal above and
below Lock 24 & 25, furnished by New York State Thruway
Authority, Office of Canals.
REMARKS.--A large amount of natural storage and some
artificial regulation is afforded by many large lakes and the
Erie (Barge) Canal system in the river basin. Seneca River
basin receives water from Erie (Barge) Canal through Lock 32
near Pittsford. Prior to 1998, a large part of flow from 45.5
mi² of Mud Creek drainage area (Susquehanna River basin) had
been diverted into Keuka Lake (Oswego River basin) for power
Water Years 2014-20: Records good except those for estimated
daily discharges, which are fair.
EXTREMES FOR PERIOD OF RECORD.--Maximum daily discharge,
13,600 ft³/s, Jan. 11, 1998; minimum daily discharge, 226
ft³/s, Sept. 23, 2020. Maximum and minimum instantaneous
discharges not determined.