Minimum Control Measures
When seeking to manage a Municipal Storm Sewer System (MS4), an effective Stormwater Pollution Prevention Program (SWPPP) has six different components known as Minimum Control Measures (MCMs). Click on the links below to view guidance and resources for each MCM.
- Minimum Control Measures 1 - Public Education and Outreach
- Minimum Control Measures 2 - Public Participation/Involvement
- Minimum Control Measures 3 - Illicit Discharge Detection and Elimination
- Minimum Control Measures 4 - Construction Site Stormwater Control
- Minimum Control Measures 5 - Post-Construction Stormwater Management
- Minimum Control Measures 6 - Pollution Prevention/Good Housekeeping
Looking for a summary? Watch this video: MS4 Program Overview and Minimum Control Measures (MCM) Descriptions - YouTube Video
NEW: MS4 Implementation Guide
The MPCA Municipal Separate Storm Sewer System (MS4) program developed the MS4 Implementation Guide to assist MS4 permittees in complying with the MS4 General Permit Minimum Control Measures (MCM) 1-6 permit requirements. This guidance package includes resources like example educational materials, written procedure templates, documentation templates, and model ordinances to support a Stormwater Pollution Prevention Program (SWPPP). The package includes a short orientation video.
Download the MS4 Implementation Guide (12.6 MB)