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Water-Year Summary for Site 04262000

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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
04262000 OSWEGATCHIE RIVER NEAR OSWEGATCHIE, NY
LOCATION - Lat 44°13'21.2", long 75°04'27.5" referenced to North American Datum of 1983, St. Lawrence County, NY, Hydrologic Unit 04150302, on left bank 300 ft downstream from powerplant, and 2.8 mi north of Oswegatchie.
DRAINAGE AREA - 259 mi².
REVISIONS HISTORY - WDR NY-88-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1924 to September 1968, annual maximum only--1985, July 1987 to current year. Prior to October 1958, published as East Branch Oswegatchie River near Oswegatchie.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 1,016.52 ft above NGVD of 1929 and 1,016.14 ft above NAVD of 1988.
REMARKS - Extensive diurnal fluctuation at low and medium flow caused by powerplant. Entire flow from 140 mi² of drainage area controlled by Cranberry Lake (station 04260990).
Water Years 2014-22: Records good except those for estimated daily discharges, which are poor.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum discharge, 2,850 ft³/s, Jan. 1, 1985, gage height, 6.06 ft, from floodmark.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 4,370 ft³/s, Apr. 15, 2014, gage height, 6.45 ft; maximum gage height, 7.3 ft, Apr. 26, 1926; minimum discharge not determined.