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The Minnesota Pollution Control Agency (MPCA) today took another step forward in addressing nitrate pollution statewide by issuing updated water permits for about 1,000 large feedlot operations. These permits take effect when the current ones expire.
The Minnesota Pollution Control Agency has developed an updated draft air permit for Northshore Mining’s Peter Mitchell Mine in Babbitt that would control fugitive dust and particulate matter leaving the facility.
Water scientists from the MPCA published four watershed reports in 2025, updating the data we need to keep Minnesota’s waters clean and protected.
SSTS staff contact information and areas of responsibility.
The MPCA certifies Minnesota municipal, government, or industrial laboratories that are used to comply with National Pollution Discharge Elimination System (NPDES)/State Disposal System (SDS) permits or for water quality work for agency programs.
This feature summarizes findings from four WRAPS reports in 2024: Root River, Mississippi River-St. Cloud, Pomme de Terre River, and Mississippi River-Lake Pepin Tributaries.
The Minnesota Pollution Control Agency (MPCA) requests public comment on a rule that will shape nation-leading restrictions on the use of per- and polyfluoroalkyl substances (PFAS).
Guidance for MPCA contractor and subcontractors
The MPCA's regulatory, cleanup, and monitoring programs create and maintain spatial data that serve our environmental protection work and can be shared with partners and researchers.
News releases and featured stories from the Minnesota Pollution Control Agency
Helped by an MPCA grant, Coon Rapids increased local options for electric vehicle drivers with two new charging stations at public buildings.
The Minnesota Pollution Control Agency is planning amendments to rules governing water quality fees (Minn. R. ch. 7002 and 7083).
The Minnesota Pollution Control Agency is committed to ensuring that every Minnesotan has healthy air, sustainable lands, clean water, and a better climate.
The MPCA offers other types of funding for use by specialists or with more involved eligibility requirements. Funding for site cleanup: Supports the clean up of contaminated properties SSTS…
Ask the MPCA features questions Minnesotans have asked us, on the issues the agency works on, from waste disposal, water and air quality, and chemicals in products to recycling and reuse,…
Environmental Assessment Worksheets (EAW) and Environmental Impact Statements (EIS) are part of MPCA's environmental review, providing a standardized and public process to disclose information about the potential negative environmental effects of a proposed development and ways to avoid or minimize them before the project is permitted and built.
Researchers collect samples of sediment from the bottom of Lake of the Woods in 2024. (Photo courtesy of St. Croix Watershed Research Station) After years of study…
The StormReady designation recognizes the MPCA’s commitment to emergency management planning and continuity of operations during an emergency.
If you want to submit a complaint or report a non-emergency environmental incident, use this online complaint form instead.
401 Certification process for applying Minnesota water quality standards to federal permitting actions.