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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2025
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 side of the Glacial Trail bike/walking path. Near Right edge of water
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 765.16 ft above NAVD of 1988. Prior to Oct. 1, 2012, datum was 10.00 ft. lower.
REMARKS - Records are considered good except those for estimated daily discharges, which are poor. For records status prior to October 1, 2013, see remarks printed in annual water-data reports. Gage-height telemeter at station.
