USGS Water-Year Summary 2023
04270000 SALMON RIVER AT CHASM FALLS, NY
LOCATION - Lat 44°45'22", long 74°13'08" referenced to North American Datum of 1983, Franklin County, NY, Hydrologic Unit 04150307, on right bank 0.1 mi downstream from powerplant at Chasm Falls, and 3.0 mi downstream from Duane Stream.
DRAINAGE AREA - 132 mi².
REVISIONS HISTORY - WSP 729: 1931 (m). WSP 759: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1925 to September 1982, October 1986 to September 2013 (discontinued).
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 1,011.52 ft above NGVD of 1929.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Dec. 29, 1984, reached a stage of 5.63 ft, from floodmarks, discharge, 3,700 ft³/s.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 3,540 ft³/s, Apr. 1, 1998, gage height, 5.43 ft; minimum discharge, 9.8 ft³/s, Sept. 26, 27, 1963.