USGS Water-Year Summary 2021
05427948 PHEASANT BRANCH AT MIDDLETON, WI
LOCATION - Lat 43°06'12", long 89°30'42" referenced to North American Datum of 1983, in NE 1/4 NW 1/4 sec.11, T.7 N., R.8 E., Dane County, WI, Hydrologic Unit 07090001, on left bank at bridge at Parmenter Street (old U.S. Highway 12), 2.5 mi upstream from Lake Mendota, at Middleton.
DRAINAGE AREA - 18.3 mi² of which 1.22 mi² probably is noncontributing.
PERIOD OF RECORD - July 1974 to current year.
GAGE - Water-stage recorder, crest-stage gage, and steel piling control. Datum of gage is 901.31 ft above NAVD of 1988.
PERIOD OF RECORD - Tipping bucket rain gage Oct. 2011 - present.
INSTRUMENTATION - Tipping bucket rain gage with electronic datalogger.
EXTREMES FOR PERIOD OF RECORD - --Maximum daily rainfall, 2.75 in., Apr. 13, 2014.
PERIOD OF RECORD - Samples collected 1974 to current year.
PERIOD OF DAILY RECORD - Suspended sediment loads: Oct. 1977 to current year
Total phosphorus loads: Jan. 1992 to current year.
Orthophosphorus loads: Jan. 1993 to Sep. 1992, Oct. 2010 to current year.
Total Kjeldahl loads: Oct. 2010 to current year.
Ammonia loads: Oct. 2010 to current year.
Nitrate plus nitrate loads: Oct. 2010 to current year.
Specific conductance: Feb.y 2007 to Apr. 2008.
Chloride concentrations observed: Feb, 2007 to Apr. 2008.
INSTRUMENTATION - Water-quality sampler since Dec. 1977.