Lower Big Sioux River

Land use in this watershed is primarily agriculture, with most land in row crops, although pasture and animal agriculture is also prevalent. There are no natural lakes in this watershed.

What's being done

Healthier watersheds - embed

Watersheds: Tracking the actions taken

See actions taken in Minnesota’s watersheds to meet water-quality goals and milestones: WRAPS, TMDLs, best practices, wastewater, and money spent.

Monitoring and assessment

• Missouri River Basin Watersheds Monitoring and Assessment Summary
• Missouri River Basin (Upper Big Sioux, Lower Big Sioux, Little Sioux, and Rock River Watersheds) Monitoring and Assessment Report
• Lower Big Sioux River Watershed Biotic Stressor Identification Report
• Summary - Missouri River Basin watersheds Stressor Identification Report (wq-ws5-10170202c)
• Missouri River Basin Hydrology, Connectivity, and Geomorphology Assessment Report

Water quality model supporting documents

• Model Development for the Minnesota Portions of the Big Sioux and the Little Sioux-Missouri River Watersheds (wq-iw7-44n)

• HSPF QAQC Big Sioux River Watershed (wq-iw7-44o)

• Missouri River Basin HSPF Model Description (wq-iw7-44p)

• HSPF QAQC Calibration for Rock River and Little Sioux River watersheds (wq-iw7-44q)

• Hydrology and Water-Quality Calibration and Validation of Big Sioux and the Little Sioux-Missouri River Watershed Model Applications (wq-iw7-44r)

Strategy development for restoration and protection

• Missouri River Basin TMDL Report (wq-iw7-44e) (EPA approval 2/15/2018)
• Appendices for Missouri River Basin TMDL report (wq-iw7-44h)
• Missouri River Basin TMDL: EPA approval letter (wq-iw7-44g)
• Missouri River Basin WRAPS Report (wq-ws4-40a) (MPCA approval 1/18/2018)
• Summary - Missouri River Basin Watersheds-Watershed Restoration and Protection Strategy Report (wq-ws4-40b)

Implementation plans

• Pipestone Creek Fecal Coliform Bacteria and Turbidity TMDL Implementation Plan