Minnesota's Impaired Waters and TMDLs

TMDL Project: Knife River — Turbidity

Background

This project addresses 1 impairment: turbidity, on one segment of the Knife River from the headwaters of the Knife River to Lake Superior.  The St. Louis County Soil and Water Conservation District has completed the TMDL study for turbidity.  The TMDL was completed and approved by EPA in 2010.

Map and location

The Knife River is located within the Lake Superior - South watershed of the Lake Superior Basin. 

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TMDL report and implementation plan

• Factsheet (wq-iw10-01a)
  Factsheet
• Final TMDL Report (wq-iw10-01e)
• EPA Approval Letter (July 2, 2010) (wq-iw10-01g)
• Knife River Implementation Plan for Turbidity (December 9, 2011) (wq-iw10-01c)

  Knife River Implementation Plan for Turbidity

Documents

None.

Meetings and events

See the TMDL Meetings, Events and News page for notices of general interest and event-related information on impaired waters/TMDLs.

Links

• South St. Louis SWCD -  Knife River TMDL
• Lake Superior Streams -  Knife River
• Lake Superior Streams
• Lake Superior Basin

Information contact

Greg Johnson, Project Manager
Minnesota Pollution Control Agency
520 Lafayette Rd N
St. Paul, MN 55155
651-757-2471
gregory.johnson@state.mn.us