USGS Water-Year Summary 2021
05301000 MINNESOTA RIVER NEAR LAC QUI PARLE, MN
LOCATION - Lat 45°01'17", long 95°52'05" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 sec.24, T.118 N., R.42 W., Chippewa County, MN, Hydrologic Unit 07020004, on left bank 200 ft downstream from highway bridge and dam, 2.4 mi northeast of village of Lac Qui Parle, and 3.5 mi west of town of Watson.
DRAINAGE AREA - 4,050 mi².
- WDR MN-91-2; 1979
PERIOD OF RECORD - October 1942 to September 1994, October 1998 to present.
GAGE - Water-stage recorder. Datum of gage is 900.00 ft above sea level (NGVD of 1929, levels by U.S. Army Corps of Engineers). Prior to Nov. 10, 1944, at datum 0.20 ft. lower.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Apr. 1997 reached a discharge of approximately 43,000 ft³/s, combination of measured flow through dam and indirect computation of flow over dam; peak stage occurred Apr. 7, 1997 (from Corps of Engineers).
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 30,100 ft³/s, gage height, 40.05 ft, Apr. 14, 2001; maximum daily-mean discharge, 29,800 ft³/s, Apr. 14, 2001; minimum discharge, 0.0 ft³/s, many days, several years.