2023 Minnesota Construction Stormwater Permit

Warning: This page and the Sections below are considered a guidance document to the 2023 MINNESOTA GENERAL PERMIT AUTHORIZATION TO DISCHARGE STORMWATER ASSOCIATED WITH CONSTRUCTION ACTIVITY UNDER THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM/STATE DISPOSAL SYSTEM PROGRAM and is not considered the official permit. A copy of the official permit and coverage letter will be emailed once the permit application has been completed and submitted to the MPCA.

This site is currently undergoing revision. For more information, open this link.
This page will be updated to show the Construction Stormwater Permit that was reissued August 1st, 2023. Some information may no longer be accurate. Consult the construction stormwater website for the most up-to-date information.

This page displays guidance on the table of contents and Sections of the 2023 MINNESOTA GENERAL PERMIT AUTHORIZATION TO DISCHARGE STORMWATER ASSOCIATED WITH CONSTRUCTION ACTIVITY UNDER THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM/STATE DISPOSAL SYSTEM PROGRAM.

• 2023 Minnesota Construction Stormwater Permit - PDF

Table of Contents

• Section 1 Permit Coverage
• Section 2 Prohibitions and Limitations of Coverage
• Section 3 Application and Coverage Effective Date
• Section 4 Termination of Coverage
• Section 5 Stormwater Pollution Prevention Plan (SWPPP) Content
• Section 6 SWPPP Amendments
• Section 7 BMP Selection and Stormwater Management
• Section 8 Erosion Prevention Practices
• Section 9 Sediment Control Practices
• Section 10 Dewatering and Basin Draining
• Section 11 Inspections and Maintenance
• Section 12 Pollution Prevention Management Measures
• Section 13 Permit Termination Conditions
• Section 14 Temporary Sediment Basins
• Section 15 Permanent Stormwater Treatment System
• Section 16 Infiltration Systems
• Section 17 Filtration Systems
• Section 18 Wet Sedimentation Basin
• Section 19 Regional Wet Sedimentation Basins
• Section 20 SWPPP Availability
• Section 21 Training Requirements
• Section 22 Requirements for Discharges to Wetlands
• Section 23 Discharges to Special (Prohibited, Restricted, Other) and Impaired Waters
• Section 24 General Provisions
• Section 25 Definitions