This site is currently undergoing revision. For more information, open this link.
We are in the process of populating this page with the 2020 MS4 General Permit

This page displays guidance on the table of contents and Sections of the 2020 MINNESOTA GENERAL PERMIT AUTHORIZATION TO DISCHARGE STORMWATER ASSOCIATED WITH SMALL MUNICIPAL SEPARATE STORM SEWER SYSTEMS UNDER THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)/ STATE DISPOSAL SYSTEM (SDS) PROGRAM

Table of Contents