Minnesota Department of Transportation

511 Travel Info

Municipal Separate Storm Sewer System (MS4)


MnDOT MS4 NPDES permits

Metro District

Greater Minnesota

Submit a comment

MnDOT invites the public to comment on the Greater Minnesota MS4 Storm Water Pollution Prevention Program until Dec. 31, 2020. A public meeting will not take place this year due to COVID-19 health restrictions.

Educational materials