Funding for this site is provided by:
44°13'21", long 75°04'28" referenced to North
American Datum of 1983, St. Lawrence County, NY, Hydrologic Unit
04150302, on left bank 300 ft downstream from powerplant, and 2.8 mi
north of Oswegatchie.
PERIOD OF RECORD.--
October 1924 to September 1968, annual
maximum only--1985, July 1987 to current year. Prior to October 1958,
published as East Branch Oswegatchie River near Oswegatchie.
WDR NY-88-1: Drainage area.
Water-stage recorder and crest-stage gage. Datum of gage
is 1,016.52 ft above NGVD of 1929 and 1,016.14 ft above NAVD of
Extensive diurnal fluctuation at low and medium flow
caused by powerplant. Entire flow from 140 mi² of drainage area
controlled by Cranberry Lake (station 04260990).
Water Years 2014-18: Records good except those for estimated daily
discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, 4,370 ft³/s,
Apr. 15, 2014, gage height, 6.45 ft; maximum gage height, 7.3 ft, Apr.
26, 1926; minimum discharge not determined.
Peak Flow and Stage Information