USGS Water-Year Summary 2023
05427085 ROCK RIVER AT ROBERT STREET AT FORT ATKINSON, WI
LOCATION - Lat 42°55'44.3", long 88°50'22.3" referenced to North American Datum of 1983, in SW 1/4 NE 1/4 sec.4, T.5 N., R.14 E., Jefferson County, WI, Hydrologic Unit 07090002, on upstream center of Robert Street bridge at Fort Atkinson.
DRAINAGE AREA - 2,240 mi².
REVISIONS HISTORY - Published name changed from 'Rock River at Robert Street at Fort Atkinson' to 'Rock River at Fort Atkinson' on 3/31/2023.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1998 to current year.
GAGE - Water-stage recorder. Side looking velocity meter system. Datum of gage is 760.323 ft above NAVD of 1988. Datum of gage when site was located at Roberts Street was 764.87 ft above NAVD of 1988 (levels by the City of Fort Atkinson). Prior to Oct. 1, 2012, datum was 10.00 ft. lower.