LOCATION.--Lat 43°59'09.0", long
75°55'28.6" referenced to North American Datum of
1983, Jefferson County, NY, Hydrologic Unit 04150101, on right
bank 200 ft downstream from Vanduzee Street bridge at
Watertown, and 3.5 mi upstream from Philomel Creek.
DRAINAGE AREA.--1,864 mi².
PERIOD OF RECORD.--July 1920 to current year.
REVISIONS HISTORY.--WDR NY-77-1: 1974. WDR NY-85-1:
Drainage area. WDR NY-93-1: 1955, 1958-60, 1962-64, 1969,
1971-72, 1974, 1976-77, 1979-82, 1984-87, 1989-92. Gage heights
of revised peak discharges previously published in WDR
NY-93-1.
GAGE.--Water-stage recorder and crest-stage gage. Datum
of gage is 373.88 ft above NGVD of 1929 and 374.09 ft above
NAVD of 1988. Prior to Sept. 3, 1921, nonrecording gage, and
from Sept. 3, 1921 to Mar. 15, 1977, water-stage recorder, at
site 200 ft upstream at datum 1.00 ft higher. Mar. 16, 1977 to
June 12, 1992, at site 200 ft upstream at present datum.
REMARKS.--Flow regulated by Stillwater Reservoir
(station 04256500), Fulton Chain of Lakes, and other
reservoirs. Extensive diurnal fluctuation at low and medium
flow caused by mills and powerplants in and above Watertown.
During canal season, water is diverted out of basin through
Forestport feeder and Black River Canal (flowing south).
Water Years 2014-23: Records good except those for estimated
daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge,
55,500 ft³/s, Jan. 10, 1998, gage height, 16.02 ft; minimum
discharge, 10 ft³/s, Sept. 2, 1934, gage height, 0.81 ft,
present datum.
EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum discharge,
about 39,700 ft³/s, Apr. 23, 1869 (from New York State Museum
Bulletin 85).