USGS Water-Year Summary 2019
04087240 ROOT RIVER AT RACINE, WI
LOCATION - Lat 42°45'05", long 87°49'25" referenced to North American Datum of 1983, in NW 1/4 NE 1/4 sec.6, T.3 N., R.23 E., Racine County, WI, Hydrologic Unit 04040002, on left bank 30 ft downstream from State Highway 38 bridge in Racine, 350 ft downstream from Horlick Dam, and 5.2 mi upstream from mouth.
DRAINAGE AREA - 190 mi² of which 1.24 mi² probably is noncontributing.
PERIOD OF RECORD - August 1963 to current year.
REVISED RECORDS - WDR WI-80-1: Drainage area.
GAGE - Water-stage recorder and crest stage gage. Datum of gage is 613.87 ft above NAVD of 1988, from Wis. D.O.T. benchmark. Prior to Feb. 5, 1964, nonrecording gage on bridge 30 ft upstream.