USGS Water-Year Summary 2024
12353000 CLARK FORK BELOW MISSOULA, MT
LOCATION - Lat 46°52'07.08", long 114°07'39.89" referenced to North American Datum of 1983, in NW 1/4 NE 1/4 SE 1/4 sec.21, T.13 N., R.20 W., Missoula County, MT, Hydrologic Unit 17010204, on right bank 1.0 mi downstream from Bitterroot River, 4.5 mi west of Missoula, and at river mile 349.5.
DRAINAGE AREA - 9,017 mi².
REVISIONS HISTORY - Water Supply Paper (WSP) 1042: 1931. WSP 1246: Drainage area. WSP 1316: 1932, maximum discharge (M); 1935 (M); 1946 (M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1929 to current year.
GAGE - Water-stage recorder. Elevation of gage is 3,083.88 ft, referenced to the National Geodetic Vertical Datum of 1929 (levels by U.S. Army Corps of Engineers).