USGS Water-Year Summary 2021
03014500 CHADAKOIN RIVER AT FALCONER, NY
LOCATION - Lat 42°06'45.5", long 79°12'13.1" referenced to North American Datum of 1983, Chautauqua County, NY, Hydrologic Unit 05010002, on left bank 10 ft downstream from South Dow Street Bridge in Falconer, 1.8 mi upstream from mouth, and 6 mi downstream from Chautauqua Lake.
DRAINAGE AREA - 194 mi².
- WSP 803: 1936 (M). WDR NY-98-3: 1997 (M).
PERIOD OF RECORD - November 1934 to current year.
GAGE - Water-stage recorder, crest-stage gage, and concrete control. Datum of gage is 1,256.41 ft above NGVD of 1929 and 1,255.88 ft above NAVD of 1988.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 2,250 ft³/s, Sept. 14, 1979, gage height, 4.93 ft; no flow for part of July 30, 2011, result of regulation.