Funding for this site is provided by:
43°01'00", long 74°44'27" referenced to North
American Datum of 1983, Herkimer County, NY, Hydrologic Unit 02020004,
on right bank 1.2 mi upstream from mouth, and 3.5 mi northwest of St.
Johnsville, at East Creek.
PERIOD OF RECORD.--
December 1945 to March 1995, annual maximum
only--1996, 1998, 2000, 2003-14, July 2014 to current year.
WRD NY-85-1: Drainage area.
Water-stage recorder and crest-stage gage. Datum of gage
is 335.70 ft above NGVD of 1929.
Extensive diurnal fluctuation and slight regulation
caused by powerplants upstream from station. City of Little Falls
diverts about 5 ft³/s for municipal supply.
Water Years 2014-16: Records good except those for estimated daily
discharges, which are fair.
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge, 31,500 ft³/s,
June 28, 2006, gage height, 10.99 ft, from rating curve extended above
11,000 ft³/s on basis of flow-over-dam measurement of peak flow;
minimum discharge, 0.05 ft³/s, July 9, 1978, gage height, 0.47 ft;
minimum gage height, 0.44 ft, July 29, 1977.
EXTREMES OUTSIDE PERIOD OF RECORD.--
Flood of Oct. 2, 1945,
reached a stage of 9.0 ft, from floodmarks, discharge, 24,000 ft³/s,
from slope-area measurement of peak flow, result of dam failure.
Peak Flow and Stage Information