USGS Water-Year Summary 2021
13186000 SOUTH FORK BOISE RIVER NEAR FEATHERVILLE, ID
LOCATION - Lat 43°29'45", long 115°18'29" referenced to North American Datum of 1983, in NE 1/4 SW 1/4 NE 1/4 sec.19, T.2 N., R.10 E., Elmore County, ID, Hydrologic Unit 17050113, Pine quad., in lot 6, on right bank, 2.5 mi upstream from Deer Creek, 8 mi southwest of Featherville, and at mile 59.0.
DRAINAGE AREA - 641 mi² of which 6 mi² probably is noncontributing.
- WDR-US-2010: Drainage area.
PERIOD OF RECORD - April 1945 to current year.
GAGE - Water-stage recorder. Elevation of gage datum is arbitrary.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 10,900 ft³/s May 7, 2017, gage height, 8.24 ft; minimum discharge, 30 ft³/s Feb. 10, 1949, gage height, 0.60 ft, result of snowslide upstream.