USGS Water-Year Summary 2021
04086600 MILWAUKEE RIVER NEAR CEDARBURG, WI
LOCATION - Lat 43°16'49", long 87°56'33" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 sec.6, T.9 N., R.22 E., Ozaukee County, WI, Hydrologic Unit 04040003, on right bank 60 ft downstream from Pioneer Road bridge, 2.6 mi southeast of Cedarburg, 1.0 mi west of I-43, and 26.25 mi upstream from mouth.
DRAINAGE AREA - 607 mi².
PERIOD OF RECORD - November 1981 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 653.35 ft, NAVD of 1988 (Southeastern Wisconsin Regional Planning Commission bench mark).