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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
04260500 BLACK RIVER AT WATERTOWN, NY
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.
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.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1920 to current year.
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 2014-24: Records good except those for estimated daily discharges, which are poor.
Water Years 2014-24: Records good except those for estimated daily discharges, which are poor.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum discharge, about 39,700 ft³/s, Apr. 23, 1869 (from New York State Museum Bulletin 85).
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.
