Watersheds in Madison County, Iowa

A watershed is the area of land where all of the water — both above and below ground — drains to a common body of water.

Click here for a map with HUC 12 watersheds labeled

Click here for a map of HUC watersheds and townships

Badger Creek PL-566 Watershed

  • Watershed Size: 33,581 acres
  • Concerns: Flooding and siltation
  • Badger Creek Watershed Committee formed: 1957
  • Badger Creek Watershed Subdistrict organized under Iowa Code: 1961

Click here for more information about Badger Creek Watershed.

Badger Creek Lake Watershed Project

  • Watershed Size: 11,700 acres
  • Lake Size: 269 acres
  • Impairments: Sediment and phosphorus
  • Active Watershed Project: 2006-2009; 2013 to present

Click here for more information about Badger Creek Lake Watershed Project.

Cedar Lake Watershed

  • Watershed Size: 10,700 acres
  • Lake Size: 80 acres
  • Impairments: Nitrates and atrazine
  • Active Watershed Project: 2002-2006

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North Thompson River Water Quality Project

  • Watershed Size: 111,600 acres
  • Resource Concerns: Sediment, nutrients, and downstream flooding
  • Active Watershed Project: 2005-present

Click here for more information about North Thompson River Water Quality Project.