Funding for this site is provided by:
LOCATION.--Lat
42°23'45", long 77°42'41" referenced to North
American Datum of 1983, Steuben County, NY, Hydrologic Unit 02050104,
on left bank 0.2 mi downstream from Arkport Dam, and 0.9 mi west of
Arkport.
DRAINAGE AREA.--30.6 mi².
PERIOD OF RECORD.--January 1937 to current year.
REVISIONS HISTORY.--WSP 1552: 1952-57. WSP 2103: Drainage area.
2009 (M).
GAGE.--Water-stage recorder and concrete control. Datum of gage
is 1,202.85 ft above NGVD of 1929 and 1,202.41 ft above NAVD of 1988
(VERTCON).
REMARKS.--Since March 1940, flows above 500 ft³/s controlled by
detention in Arkport Reservoir (station 01521000).
Water Years 2014-15: Records good except those for estimated daily
discharges, which are fair.
Water Year 2016: Records good except those for estimated daily
discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, since
construction of Arkport Reservoir in 1940, 1,740 ft³/s, Feb. 11, 1966,
gage height, 4.17 ft; maximum gage height, 5.61 ft, Jan. 26, 1978 (ice
jam); minimum discharge not determined.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of July 8, 1935,
reached a discharge of 4,820 ft³/s, on basis of slope-area measurement
of peak flow.
EXTREMES FOR PERIOD PRIOR TO REGULATION.--Maximum discharge,
prior to construction of Arkport Reservoir in 1940, 2,000 ft³/s, Mar.
5, 1938, Feb. 20, 1939; maximum gage height, 5.63 ft, Feb.19, 1939 (ice
jam); practically no flow July 30, 1938, Sept. 30, 1939 (result of
construction operations).
Peak Flow and Stage Information
Station image
