Funding for this site is provided by:
42°20'00", long 75°14'06" referenced to North
American Datum of 1983, Delaware County, NY, Hydrologic Unit 02050101,
on right bank 0.2 mi downstream from bridge on County Highway 44, 0.4
mi downstream from East Sidney Dam, at East Sidney, and 3.5 mi upstream
PERIOD OF RECORD.--
August 1940 to current year.
WSP 2103: Drainage area.
Water-stage recorder. Datum of gage is 1,086.23 ft above
NGVD of 1929. Prior to June 13, 1947, at site 0.5 mi upstream at datum
27.30 ft higher.
Since November 1949, flow regulated by East Sidney
Lake (station 01499500).
Water Year 2014: Records good.
Water Year 2015: Records good except those for estimated daily
discharges, which are fair.
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, since
construction of East Sidney Lake in 1950, 4,000 ft³/s, Apr. 7, 1960,
gage height, 6.19 ft.
EXTREMES OUTSIDE PERIOD OF RECORD.--
A discharge of 16,700 ft³/s,
in July 1935, was determined by computation of flow-over-dam
measurement of peak flow and from floodmarks.
EXTREMES FOR PERIOD PRIOR TO REGULATION.--
prior to construction of East Sidney Lake in 1950, 7,250 ft³/s, Dec.
30, 1942, gage height, 7.62 ft, site and datum then in use; minimum
daily discharge, 1.2 ft³/s, gage height, 0.32 ft, Aug. 13, 14, 17,
1949, result of construction; minimum instantaneous discharge not
Peak Flow and Stage Information