LOCATION.--Lat 43°44'48.5", long
75°20'00.4" referenced to North American Datum of
1983, Lewis County, NY, Hydrologic Unit 04150101, on right bank
at downstream side of bridge on Donnattsburg Road at
Donnattsburg, 1.2 mi downstream from Chase Lake Outlet, 4.2 mi
northeast of Glenfield, and 5.0 mi upstream from mouth.
DRAINAGE AREA.--88.7 mi².
PERIOD OF RECORD.--July 1942 to current year.
REVISIONS HISTORY.--WDR NY-87-1: Drainage area.
GAGE.--Water-stage recorder and crest-stage gage. Datum
of gage is 972.84 ft above NGVD of 1929 and 972.40 ft above
NAVD of 1988. Prior to Sept. 16, 1949, nonrecording gage at
same site and datum.
REMARKS.--Water Years 2014-23: Records good except those
above about 3,400 ft³/s and those for estimated daily
discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 9,420
ft³/s, Dec. 30, 1984, gage height, 13.34 ft, from rating curve
extended above 3,200 ft³/s on basis of slope-area measurement
of peak flow; minimum discharge, 15 ft³/s, July 23, 2018;
minimum gage height, 2.85 ft, Sept. 17, 1948, Aug. 4, 5,
1949.