USGS Water-Year Summary 2019
05423500 SOUTH BRANCH ROCK RIVER AT WAUPUN, WI
LOCATION - Lat 43°38'30", long 88°43'14" referenced to North American Datum of 1927, in SW 1/4 NW 1/4 sec.33, T.14 N., R.15 E., Fond Du Lac County, WI, Hydrologic Unit 07090001, on left bank 260 ft upstream from U.S. Business Route 151 at Waupun, and 2.8 mi upstream from mouth.
DRAINAGE AREA - 63.6 mi².
- WDR WI-88-1: Drainage area.
PERIOD OF RECORD - October 1948 to September 1969. March 1987 to current year. Monthly discharge for October and November 1948 published in WSP 1308, but unpublished daily discharges available for October to November 1948.
GAGE - Water-stage recorder, crest-stage gage, and concrete control. Datum of gage is 863.33 ft above NAVD of 1988. October 1948 to September 1969, recording gage at site 150 ft downstream at same datum.