USGS Water-Year Summary 2022
05049995 MUD LAKE ABOVE WHITE ROCK DAM NEAR WHITE ROCK, SD
LOCATION - Lat 45°51'41", long 96°34'20" referenced to North American Datum of 1927, in NW 1/4 NW 1/4 sec.34, T.128 N., R.47 W., Roberts County, SD, Hydrologic Unit 09020101, on Sisseton Indian Reservation, on left bank, 10 ft west of White Rock Dam, 4 mi south of White Rock and 5 mi northwest of Wheaton, MN.
DRAINAGE AREA - unknown
PERIOD OF RECORD - October 2000 to current year. Gage height record prior to October 2000 can be obtained from Corps of Engineers.
GAGE - Water-stage recorder. Datum of gage is 960.00 ft, adjustment of 1912 (levels by U.S. Army Corps of Engineers).
EXTREMES FOR PERIOD OF RECORD - Maximum gage-height, 80.90 ft, Apr. 29, 2001; maximum daily, 80.76 ft, Apr. 19, 2001; minimum gage-height recorded, 65.14 ft, many days, several years (due in part to regulation), stage was observed lower than the detection limits of gage but precise stage readings were not determined; minimum daily recorded, 65.22 ft, June 14, 2002.