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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 2024
05425500 ROCK RIVER AT WATERTOWN, WI
LOCATION - Lat 43°11'17", long 88°43'34" referenced to North American Datum of 1983, in NE 1/4 SW 1/4 sec.4, T.8 N., R.15 E., Jefferson County, WI, Hydrologic Unit 07090001, on left bank, 700 ft downstream from Milwaukee Street bridge, 1.1 mi downstream from Silver Creek, at Watertown.
DRAINAGE AREA - 969 mi².
REVISIONS HISTORY - WSP 1438: 1933,1935(M), 1937(M), 1938-39, 1945(M); WDR WI-79-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 1931 to September 1970, October 1976 to current year; June to September 1914, daily gage heights available only in District files. Several 1914 water year discharges published in WSP 385.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 792.56 ft above NAVD of 1988 (October 06, 2021 by GPS). Prior to Sept. 26, 1933, nonrecording gage at site 700 ft upstream at different datum.
REMARKS - Records are considered good, except estimated discharge which is poor and other periods as noted below. For records prior to October 1, 2013, see remarks printed in the annual water-data reports. Flow partly regulated by powerplant at Watertown.
