USGS Water-Year Summary 2022
12302055 FISHER RIVER NEAR LIBBY, MT
LOCATION - Lat 48°21'20.17", long 115°18'52.74" referenced to North American Datum of 1983, in NW 1/4 NE 1/4 NW 1/4 sec.21, T.30 N., R.29 W., Lincoln County, MT, Hydrologic Unit 17010102, on left bank 0.8 mi upstream from mouth and 11.4 mi east of Libby.
DRAINAGE AREA - 842 mi².
PERIOD OF RECORD - October 1967 to current year.
GAGE - Water-stage recorder. Elevation of gage is 2,134.10 ft, referenced to the National Geodetic Vertical Datum of 1929 (U.S. Army Corps of Engineers bench mark). U.S. Army Corps of Engineers satellite telemeter is located at the station.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood on about May 22, 1948, reached a discharge of 6,560 ft³/s, by slope-area measurement at site 0.5 mi upstream.