Minnesota Pretreatment Standards regulations & environmental compliance analysis

Minnesota Pretreatment Standards: What you need to know

Governing Law and Regulations

State wastewater pretreatment Rules: Minnesota Rules (MR) 7049.0100 to 7049.1020

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National Pollution Discharge Elimination System (NPDES) permits: MR 7001.1080

Identification of significant industrial users (SIUs): MR 7049.0700

Annual reports: MR 7049.0720 and 7049.1020

Regulatory Agencies

Minnesota Pollution Control Agency (MPCA) Municipal Division

U.S. Environmental Protection Agency (EPA) Region 5

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Minnesota has established pretreatment rules that generally follow the federal pretreatment requirements. These rules apply to publicly-owned treatment works (POTWs) and industrial wastewater dischargers that use a POTW. Industrial dischargers that are subject to the categorical discharge standards must obtain a pretreatment permit from their POTW (if the POTW has been delegated permitting authority) or from MPCA. Minnesota also has state specific regulations for small POTWs that are not covered by the federal rules.

Administration and enforcement. MPCA is fully authorized by EPA to administer and enforce the federal pretreatment rules in Minnesota. For more information about the federal requirements, see the national section PRETREATMENT STANDARDS.

State Requirements


MR 7001.1080

If an applicant proposes to own or operate a POTW and if the applicant is required by federal and state law to develop a POTW pretreatment program, MPCA will:

  • Incorporate the provisions of the approved POTW pretreatment program into the permit and require the permittee to submit information as required by MR 7049.1020or
  • If the POTW ...

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