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USGS Water-Year Summary 2025
03013946 CHAUTAUQUA LAKE AT BEMUS POINT, NY
LOCATION - Lat 42°09'23.2", long 79°23'37.8" referenced to North American Datum of 1983, Chautauqua County, NY, Hydrologic Unit 05010002, 6 ft east of lake shore, 30 ft south of the intersection of Pauline Avenue and Lakeside Avenue, and 950 ft southeast of the ferry landing at Bemus Point.
DRAINAGE AREA - 189 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1972 to September 1973, November 1974 to current year.
GAGE - Water-stage recorder and crest-stage gage. Lake elevation record is provided in NGVD of 1929 and NAVD of 1988 datums. To convert NGVD of 1929 elevations to NAVD of 1988, subtract 0.49 ft. Prior to November 1974, at site 950 ft northwest at same datum.
REMARKS - Lake regulated for flood control by Warner Dam. Area of water surface, 20.98 mi².
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 1,311.23 ft above NGVD of 1929 (1,310.74 ft above NAVD of 1988), Mar. 5, 1976; minimum elevation, 1,306.20 ft above NGVD of 1929 (1,305.71 ft above NAVD of 1988), Dec. 16, 1998.
