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
Priority Watersheds
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 2020
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
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.
Watershed Management Authorities
Learn more about Watershed Management Authorities in Iowa