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> Site Information
LOCATION.--Lat 44°14'05", long 74°34'19" referenced to North American Datum of 1983, St. Lawrence County, NY, Hydrologic Unit 04150305, on left bank 0.5 mi downstream from powerplant at Piercefield, and 1.5 mi upstream from Dead Creek.
DRAINAGE AREA.--721 mi².
PERIOD OF RECORD.--August 1908 to current year.
REVISIONS HISTORY.--WSP 604: 1924. WSP 1387: 1910, 1913, 1914(M), 1916, 1921. WDR NY-82-1: Drainage area.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 1,502.12 ft above NGVD of 1929 and 1,502.03 ft above NAVD of 1988. Prior to Jan. 1, 1911, nonrecording gage at present site at datum 2.00 ft higher, and Jan. 1, 1911 to Oct. 21, 1912, nonrecording gage at present site and datum.
REMARKS.--Seasonal distribution of flow modified by natural storage in lakes and ponds upstream from station and by regulation of Forked Lake, Round Lake, Lows Lake, and Raquette Pond (Tupper Lake) at Setting Pole Dam. Extensive diurnal fluctuation caused by powerplant at Piercefield.
Water Years 2014-21: Records good.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 10,400 ft³/s, May 1, 2011, gage height, 13.40 ft; minimum discharge not determined.
EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum discharge, about 7,000 ft³/s, May 1, 1900 (from New York State Museum Bulletin 85).
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> Rating Information
This station managed by the NY Water Science Center Potsdam.

Available Parameters Period of Record
1908-08-20  2022-05-18


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