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
North and Middle Rivers Watershed Management Authority
North and Middle Rivers Watershed Management Authority
Map of North and Middle Rivers Watershed Management Authority
