
The Long Prairie River watershed covers approximately 565,078 acres (883 square miles) and is located in the central part of the Upper Mississippi River Basin in central Minnesota. The watershed encompasses parts of Douglas, Otter Tail, Todd, Morrison and Wadena counties.
The watershed includes more than 220 lakes greater than 10 acres in size and 965 miles of rivers and streams. The Long Prairie River begins in Douglas County and flows through Todd and Morrison counties before entering the Crow Wing River south of Motley. The dominant land use within the watershed is agricultural (47%), while grasslands and forests make up 8% and 20% respectively, water and wetlands 18%, and 7% is urban. The watershed is within the North Central Hardwood Forest as well as the Northern Lakes and Forests ecoregions.
What's being done
Monitoring and assessment
HSPF Watershed Modeling Report: Crow Wing, Redeye, and Long Prairie River watersheds (wq-ws1-14)
Long Prairie River Watershed Stressor Identification Report Summary
Long Prairie River Watershed Stressor Identification Report
Long Prairie River Watershed Monitoring and Assessment Report
Strategies for restoration and protection
Our Upper Mississippi River Large River and Basin Restoration and Protection Strategies (wq-ws4-38b)
Summary: Long Prairie River WRAPS report (wq-ws4-19b)
Long Prairie River Watershed WRAPS (wq-ws4-19a) (MPCA approval 4/21/2017)
Long Prairie River Watershed TMDL Study (wq-iw8-49e) (EPA approval 1/12/2017)
Long Prairie River Watershed TMDL: EPA approval letter (wq-iw8-49g)
Revised EPA Decision Document (wq-iw8-49n)
Lake Winona Phosphorus TMDL report (wq-iw8-32e) (EPA approval 7/28/2021)
Lake Winona Phosphorus TMDL: EPA approval letter and decision document (wq-iw8-32g)
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Dissolved oxygen problem in the Long Prairie River (wq-iw8-01a)
Long Prairie River Low Dissolved Oxygen TMDL report (wq-iw8-01e) (EPA approval 8/5/2005)
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Long Prairie River Low Dissolved Oxygen TMDL: EPA approval letter (wq-iw8-01g)
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Long Prairie River Low Dissolved Oxygen TMDL: Implementation plan (wq-iw8-01c)
More information
Contact
- Watershed project manager Bonnie Finnerty, 218-316-3897
