Watersheds of Big Stone County

Big Stone County has three watersheds within the county.  Most of the county resides in the Upper Minnesota River Watershed. The Upper MN and Pomme de Terre River Watersheds both flow south eventually entering the Mississippi River. The Bois de Sioux Watershed is in the northern part of the county and flows north eventually to the Red River. 

Watershed Websites:
Upper MN River
Bois de Sioux
Pomme de Terre
Below are the BdS-Mustinka Comprehensive Watershed Management Plan-formal draft review and the Appendix A.  Formal comment period is open until November 9th, 2020.  Comments may be sent to:
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**Bois de Sioux-Mustinka Comprehensive Watershed Management Plan - formal review draft September 8, 2020

**Appendix A - Land and Water Resources Inventory

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