Funding for this site is provided by:
43°18'41", long 75°06'30" referenced to North
American Datum of 1927, Oneida County, NY, Hydrologic Unit 02020004, on
south side of north gatehouse at Hinckley Dam on West Canada Creek at
Hinckley, and 2.2 mi east of Prospect.
PERIOD OF RECORD.--
March 1914 to September 2007 (month-end
elevations and contents), October 2007 to September 2013 (daily mean
elevations and month-end contents), October 2013 to current year (daily
mean elevations). In 2008 water year, daily mean elevations for April
1996 through September 2008 published.
WDR NY-85-1: Drainage area.
Water-stage recorder. Datum of gage is Barge Canal datum.
To convert elevations to NGVD of 1929, subtract 1.04 ft. To convert
elevations to NAVD of 1988, subtract 0.72 ft.
Capacity table provided by New York State Canal
Reservoir is formed by earth and concrete dam; storage
began March 1914. Usable capacity 3,320 mil ft³ between elevation
1,173.5 and 1,225.0 ft. Elevation of inverts of four 60-inch discharge
pipes at north end of spillway is 1,169.5 ft, and elevation of inverts
of two 42-inch pipes at south end for diverting water to city of Utica
is 1,164.25 ft. Crest of ogee spillway is at elevation 1,225.0 ft.
Length of spillway is 400 ft. Area of water surface at crest elevation
is 4.46 mi². Figures given herein represent usable contents. Diversion
for municipal supply of Utica began prior to 1921. Diversion records
(01343899) provided by Mohawk Valley Water Authority.
Capacity table (elevation, in feet, and usable contents, in millions of cubic feet)
Elevation Contents Elevation Contents
1,173.5 0 1,205.0 1,440
1,175.0 27 1,215.0 2,260
1,185.0 306 1,225.0 3,320
1,195.0 787 1,230.0 4,010
EXTREMES FOR PERIOD OF RECORD.--
Maximum contents, 4,124 mil ft³,
Apr. 28, 2011, elevation, 1,230.74 ft; minimum contents observed, 25
mil ft³, Nov. 17, 1964, elevation, 1,174.9 ft (from Report to the
Governor by the Hinckley Reservoir Working Group, 2008).
Peak Flow and Stage Information
NAVD 1988 Datum Conversion Information