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Water-Year Summary for Site 05427235

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00065 Gage height(Mean)  
62615 Elevation, lake/res, NAVD88(Mean)  

Water year 2023: 2023-10-01 to 2024-09-30

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USGS Water-Year Summary 2023
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.
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).
REMARKS - Lake level regulated by dam at Indianford. Gage-height telemeter at station.
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.