LOCATION.--Lat 43°55'48.9", long
75°35'28.6" referenced to North American Datum of
1983, Lewis County, NY, Hydrologic Unit 04150101, on left bank
350 ft upstream from bridge on State Highway 26, and 2.0 mi
upstream from mouth, at Deer River.
DRAINAGE AREA.--97.2 mi².
PERIOD OF RECORD.--October 1956 to September 1968, water
years 1969-75, 1977 to current year (annual maximum
only).
REVISIONS HISTORY.--WDR NY-82-1: Drainage area.
WDR-NY-94-1: 1963-64(M), 1972(M), 1985(M), 1993(M). Maximum
discharges for water years 2011-16 were revised on Feb. 2, 2018
based on measurements made during 2014 and 2017 following the
flood of Oct. 1, 2010.
GAGE.--Crest-stage partial-record station. Datum of gage
is 762.36 ft above NGVD of 1929 and 761.98 ft above NAVD of
1988.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge,
17,200 ft³/s, Dec. 29, 1984, gage height, 10.63 ft, from
floodmarks; maximum gage height, 11.10 ft, Mar. 6, 1979 (ice
jam).
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