The MPCA reissued the MS4 General Permit (MNR040000) on November 16, 2020. The final permit and response to comments document is available at: https://www.pca.state.mn.us/water/municipal-stormwater-ms4
MS4 Permit Part 2 Application
Existing MS4 permittees are required to complete and submit the following application forms below by April 15, 2021:
1. MS4 Permit Part 2 Application form: https://www.pca.state.mn.us/water/applying-ms4-general-permit
2. Custom TMDL Application form: TBD
MS4 Permit Part 2 Application form - Quick Overview Video
This video provides a quick overview of the application form, including what to expect and how to prepare before existing MS4 permittees begin filling out the MS4 Permit Part 2 Application form.