USGS Water-Year Summary 2022
04044724 AU TRAIN RIVER AT FOREST LAKE, MI
LOCATION - Lat 46°20'27", long 86°51'00" referenced to North American Datum of 1927, in SE 1/4 NE 1/4 sec.31, T.46 N., R.20 W., Alger County, MI, Hydrologic Unit 04020201, on left bank 800 ft downstream from Renewable World Energies powerhouse, 0.6 mi downstream from Au Train Dam, and 0.6 mi northwest of Forest Lake.
DRAINAGE AREA - 81 mi².
PERIOD OF RECORD - October 1993 to current year.
GAGE - Water-stage recorder. Elevation of gage is 650 ft above NGVD 1929, from topographic map.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 925 ft³/s, May 2, 2013, gage height, 6.44 ft.