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During the winter, river stage may be significantly affected by backwater from ice, resulting in incorrect discharge data. Consequently, discharge data may not be displayed during periods of ice effect.
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USGS 05428000 LAKE MENDOTA AT MADISON, WI

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 43°05'42", long 89°22'12", in NW 1/4 SE 1/4 sec.12, T.7 N., R.9 E., Dane County, Hydrologic Unit 07090001, in city boat house at dam at outlet, in Madison. 

DRAINAGE AREA. --233 square miles, 36.6 is non-contributing. Area of Lake Mendota, 15.2 square miles. 

PERIOD OF RECORD.--December 1902 to May 1903, January 1916 to January 1985(incomplete), February 1985 to present. 

REVISED RECORDS.--WDR WI-73-1: Drainage area. 

GAGE.--Water-stage recorder. Datum of gage is 840.00 ft above sea level (NGVD 1929), or 5.60 ft below City of Madison datum. Prior to Oct. 1, 1979, at datum 7.82 ft higher; prior to Nov. 15, 1971, nonrecording gage at same site and datum. 

REMARKS.-- Lake level regulated by concrete dam with two 12-foot gates and 20-foot lock at outlet. Gage-height telemeter at station.

OPERATED IN COOPERATION WITH:

Dane County Logo Dane County Dane County Water Resources Logo

Additional Info: INFOS

Boating safety tips
This station managed by the USGS Wisconsin Water Science Center - Middleton WI.

Available Parameters Available Period
  
2007-10-01  2020-08-06







 (7)
 
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Summary of all available data for this site
Instantaneous-data availability statement

Gage height, feet
Most recent instantaneous value: 10.99 08-06-2020   23:00 CDT
Graph of Gage height, feet

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