Upper Big Sioux River

Only a very small portion of the 1.35-million-acre Upper Big Sioux River watershed is located in Lincoln County in western Minnesota. The vast majority is located in eastern South Dakota. Land use in this watershed is primarily agriculture, with row crops and livestock grazing.

    What's being done

    Monitoring and assessment

    Strategies for restoration and protection

    Water quality model supporting documents

    More information


    • Watershed project manager Paul Wymar, 507-476-4282