USGS Water-Year Summary 2024
06166000 BEAVER CREEK BELOW GUSTON COULEE, NEAR SACO, MT
LOCATION - Lat 48°21'24.42", long 107°34'55.87" referenced to North American Datum of 1983, in SE 1/4 SW 1/4 NW 1/4 sec.16, T.30 N., R.32 E., Phillips County, MT, Hydrologic Unit 10050014, on right bank, 25 ft upstream from bridge on county road, 13 mi southwest of Saco, 22.5 river miles downstream from Guston Coulee, and at mile 61.1.
DRAINAGE AREA - 1,199 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - April 1920 to September 1921, April 1981 to current year (seasonal records only).
GAGE - Water-stage recorder. Elevation of gage is 2,215 ft, referenced to the North American Vertical Datum of 1988.