USGS Water-Year Summary 2021
06479770 BIG SIOUX RIVER NEAR BRUCE, SD
LOCATION - Lat 44°28'03.2", long 96°53'13.5" referenced to North American Datum of 1927, in SE 1/4 NE 1/4 NE 1/4 sec.36, T.112 N., R.51 W., Brookings County, SD, Hydrologic Unit 10170202, on right bank at downstream end of county highway bridge, 7.4 mi downstream from confluence with Peg Munky Run, 4.9 mi east-northeast of Oakwood Lakes State Park, and 1.8 mi north of Bruce.
DRAINAGE AREA - 2,396 mi² of which 847 mi² probably is noncontributing.
- WDR SD-10-1: Drainage area.
PERIOD OF RECORD - October 2000 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 1,621 ft above NAVD88, from topographic map. Prior to conversion to NAVD88 datum was published as 1,620 ft above NGVD29, from topographic map.