Funding for this site is provided by:
42°18'48.5", long 77°39'03.9" referenced to North
American Datum of 1983, Steuben County, NY, Hydrologic Unit 02050104,
on right bank 235 ft upstream from Erie Railroad bridge in Hornell, 0.3
mi upstream from Crosby Creek, and 1.5 mi downstream from Canacadea
PERIOD OF RECORD.--
August 1942 to current year.
WDR NY-86-3: 1971 (including minimum
Water-stage recorder and concrete control. Datum of gage
is 1,131.32 ft above NGVD of 1929 and 1,130.88 ft above NAVD of
Diversion from Carrington Creek, a tributary upstream
from station, by City of Hornell for municipal supply; effluent from
wastewater treatment plant enters river downstream from gage. Since
March 1940, flood flows regulated by Arkport Reservoir (station
01521000), and since June 1949, by Almond Lake (station 01523000);
normal regulation occasionally sufficient to affect figures of monthly
Water Years 2014-17: Records good except those for estimated daily
discharges, which are fair. Water Years 2018-19: Records good except
those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, since
construction of Almond Lake in 1949, 9,560 ft³/s, June 23, 1972, gage
height, 13.45 ft, from floodmark, from rating curve extended above
7,600 ft³/s on basis of critical-depth measurement at gage height 13.30
ft; minimum discharge, 7.4 ft³/s, Sept. 13, 14, 1955.
EXTREMES FOR PERIOD PRIOR TO REGULATION.--
prior to construction of Almond Lake in 1949, 9,340 ft³/s, May 26,
1943, gage height 13.30 ft, from rating curve extended above 7,600
ft³/s on basis of critical-depth measurement of peak flow; minimum
discharge, 9.3 ft³/s, Mar. 4, 1947.
Peak Flow and Stage Information