USGS Water-Year Summary 2020
04085427 MANITOWOC RIVER AT MANITOWOC, WI
LOCATION - Lat 44°06'22.2", long 87°42'57.7" referenced to North American Datum of 1983, in NE 1/4 NW 1/4 sec.23, T.19 N., R.23 E., Manitowoc County, WI, Hydrologic Unit 04030101, at bridge on Michigan Ave., just west of the Manitowoc city limits and 6.6 mi upstream from mouth.
DRAINAGE AREA - 526 mi².
- WDR WI-79-1: Drainage area.
PERIOD OF RECORD - July 1972 to September 1996, December 1997 to current year.
GAGE - Water-stage recorder. Datum of gage is 590.10 ft above NAVD of 1988. Prior to WY 2012, datum was erroneously published as 610.10 ft. above NAVD of 1988.
PERIOD OF RECORD - March 2011 to current year.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: March 2011 to current year.
SPECIFIC CONDUCTANCE: March 2011 to current year.
DISSOLVED OXYGEN: March 2011 to current year.
pH: March 2011 to current year.
TURBIDITY: March 2011 to current year.
INSTRUMENTATION - Stage activated water-quality sampler: March 2011 to current year. Continuous water quality monitor with water temperature, specific conductivity, dissolved oxygen, pH, and turbidity sensors: March 2011 to current year.