Minnesota’s New Industrial Stormwater Permit

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Industrial facilities throughout the United States are required to be permitted to discharge stormwater that has come into contact with industrial materials or activities. In Minnesota, facilities can be covered under the Minnesota Pollution Control Agency’s (MPCA’s) Multi-Sector General Permit for Industrial Activity (MSGP). The current permit (MNR050000) expires on April 5, 2020 and all regulated facilities must reapply for coverage or for a No Exposure Certification (NEC) by October 8, 2019.

Industries covered by the permit include timber, paper, chemical, rubber, plastic, electronics, and metals manufacturing; coal and mineral mining; gas extraction, hazardous waste TSDFs; landfills; salvage yards; recycling; steam electric generation; transportation, food and beverage; printing; metal fabrication; and many others. SIC codes and narrative activities covered under the MSGP are outlined in Appendix D of the current permit or reach out to us for help making a determination.

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Wenck Contact

Jenna Grady

Environmental Scientist
The current permit (MNR050000) expires on April 5, 2020 and all regulated facilities must reapply for coverage or for a No Exposure Certification (NEC) by October 8, 2019.