USGS Water-Year Summary 2024
05427235 LAKE KOSHKONONG NEAR NEWVILLE, WI
LOCATION - Lat 42°51'27", long 88°56'27" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 sec.34, T.5 N., R.13 E., Jefferson County, WI, Hydrologic Unit 07090001, 80 ft east of Pottawatomi Trail Bridge at Bingham Point Estates, and 4.5 mi northeast of Newville.
DRAINAGE AREA - 2,560 mi². at lake outlet. Area of Lake Koshkonong, 16.3 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1987 to current year.
GAGE - Water-stage recorder. Datum of gage is 769.77 ft above NAVD of 1988 (Wisconsin Department of Transportation benchmark).
EXTREMES FOR PERIOD OF RECORD - Maximum recorded gage height, 15.13 ft, June 21, 22, 2008; minimum recorded, 4.98 ft, Dec. 06, 2012; Also occurred Dec. 09, 2012.