USGS Water-Year Summary 2021
05544385 MUSKEGO (BIG MUSKEGO) LAKE OUTLET NEAR WIND LAKE, WI
LOCATION - Lat 42°51'09", long 88°07'50" referenced to North American Datum of 1927, in SE 1/4 NE 1/4 sec.33, T.5 N., R.20 E., Waukesha County, WI, Hydrologic Unit 07120006, on right bank at dam outlet of Muskego Lake, 700 ft north of Muskego Dam Drive, 2 mi northeast of Wind Lake.
DRAINAGE AREA - 33.9 mi².
PERIOD OF RECORD - October 1987 to September 1989, October 1995 to September 2006, June 2010 to February 2011 (Stage only), March 2011 to September 2011(Daily Discharge), October 2011 to present (Stage only). Prior to October 1996, published under station number 425109088075000. Prior to October 2000 published as "Muskego Lake Outlet near Wind Lake".
GAGE - During October 2010 to February 2011 the water-stage recorder was measuring just headwater; March 2011 to present the water-stage recorder was measuring headwater, tailwater, and precip. Datum of gage is 759.74 ft above NAVD of 1988. Prior to Dec. 18, 1987, nonrecording gage at same site and datum, October 1989 to September 1995, nonrecording gage at same datum.