Industrial stormwater

Industrial stormwater general permit, 2020-2025

PDF icon 2020 Industrial Stormwater General Permit (wq-strm3-67i)

The application period for the 2020 permit will begin Fall 2019, and all applications will be made online through MPCA’s e-services portal. (Paper applications will not be used.)

All facilities will need to update their stormwater pollution prevention plan to ensure it is in compliance with the new permit.

Industrial Stormwater Permit Information Access

A searchable database to find detailed information about industrial stormwater facilities. Permittees: download your quarterly sampling forms, annual report, and change form here.

10 steps to compliance

Step 1: Applicability — do you need a permit?

Step 2: Consider certifying for No Exposure

Step 3: Assess for pollutants, sources of contaminated stormwater

Step 4: Create SWPPP, choose and implement BMPs

Step 5: Gather application materials before applying

Step 6: Apply, modify or terminate permit coverage / No Exposure certification

Step 7: Follow applicable permit /sector-specific requirements

Step 8: Annual requirements — employee training, reports and monthly inspections

Step 9: Sampling

Step 10: Submitting sample results

Industrial Stormwater e-Newsletters

  • Featured article: Could your facility flood?
  • Upcoming training opportunities
  • New permit documents and guidance
  • Wet season makes for great samples
  • The Big Question: 'What’s required of me for the year?'

Published: March 21, 2019
  • Featured article: 2020 permit issuance update
  • Fully online industrial stormwater training now available!
  • U of M announces first training workshop of 2019
  • Upcoming industrial stormwater compliance webinar
  • More salt = more pollution
  • National Pollution Prevention Conference: an update
  • Stormwater Pollution Prevention Tips and suggestions
Published: December 03, 2018
  • Featured article: September 13: next U of M training workshop
  • 2020 general permit reissuance, an update
  • MPCA presenting at national pollution prevention conference
  • MN 2018 Conference on the Environment
  • Words from one permittee
Published: September 04, 2018

Program contact information

About the Industrial Stormwater Program

  • Develop an effective Stormwater Pollution Prevention Plan (SWPPP) which contains your Stormwater Control Measures, described as Best Management Practices (BMPs).
  • Manage stormwater runoff by meeting the permit requirements or certify condition of No Exposure.
  • Read and comply with the PDF icon Multi-Sector General Permit for Industrial Activity (wq-strm3-67a)