This station is operated in cooperation
New York Power Authority
NYS Department of Environmental
Lat 43°04'08", long 74°59'18"
referenced to North American Datum of 1983, Herkimer County, NY,
Hydrologic Unit 02020004, on right bank 600 ft downstream from bridge
on old State Highway 28 at Kast Bridge, 1.2 mi downstream from North
Creek, 2.2 mi north of Herkimer, and 4.0 mi upstream from mouth.
PERIOD OF RECORD.--
January 1907, April to December 1907, March
1908 to December 1909, April 1910 to December 1911 (monthly discharges
only, published in WSP 1302), January 1912 to December 1913, April 1914
to June 1918 (monthly discharges only for most months, published in WSP
1302), October 1920 to current year. Record prior to October 1920
furnished by State engineer and surveyor of New York.
WDR NY-85-1: Drainage area.
Water-stage recorder and crest-stage gage. Datum of gage
is 438.99 ft above NGVD of 1929. Prior to Sept. 18, 1920, nonrecording
gage at former highway bridge 500 ft upstream at different datum. Sept.
18, 1920 to Oct. 23, 1985, at site on left bank at present datum.
Records good except those for estimated daily
discharges, which are poor. Since March 1914, flow regulated by
Hinckley Reservoir, 31 mi upstream from station (usable capacity, 3,320
). Diurnal fluctuation at low and medium flow caused
by powerplants upstream from station. Diversion at Trenton Falls, 26 mi
upstream from station, by Ninemile feeder since 1915 during canal
navigation season. Diversion from Hinckley Reservoir for Utica water
supply returned to Mohawk River. Satellite gage-height telemeter at
EXTREMES FOR PERIOD OF RECORD.--
Maximum discharge since
construction of Hinckley Reservoir, 25,300 ft3
/s, June 28,
2013, gage height, 9.01 ft; maximum gage height, 10.47 ft, probably
Feb. 17, 1943, from floodmark in gage well (ice jam); minimum
discharge, 20 ft3
/s, Sept. 3, 1929, gage height, 0.90
EXTREMES FOR PERIOD PRIOR TO REGULATION.--
prior to construction of Hinckley Reservoir, 23,300 ft3
Mar. 26, 1913, from reports of State engineer and surveyor of New
Peak Flow and Stage Information