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Guidance for submitting data to MPCA Remediation Division programs: Superfund, Site Assessment, Petroleum Remediation, Brownfields, RCRA Remediation, Closed Landfill, and Integrated Remediation.
All facilities with air permits must submit an annual emissions inventory report to the MPCA that tracks actual emissions of major pollutants at that facility.
The MPCA 401 certification fills a unique niche in protecting water quality by applying state water quality standards to projects.
Information about a variety of initiatives in Minnesota related to PFAS pollution.
The MPCA has released Minnesota’s PFAS Blueprint — a strategic, coordinated approach developed by multiple agencies to protect families and communities from per- and polyfluoroalkyl substances (PFAS).
The MPCA has released the draft 2025 Minnesota Nutrient Reduction Strategy for public review and comment.
The Shell Rock River begins at Albert Lea Lake in Freeborn County in south-central Minnesota, a few miles from the Iowa border. It flows 113 miles into Iowa, where it enters the Cedar River. In Minnesota, the Shell Rock drains 246 square miles (160,000 acres), all in Freeborn County.
The MPCA works with industry, government, and residents to reduce and manage waste.
The Minnesota State Implementation Plan (SIP) is focused on the six criteria air pollutants regulated by national ambient air quality standards (NAAQS): ground-level ozone, fine particles, lead, nitrogen dioxide, carbon monoxide, and sulfur dioxide.
The Bois de Sioux River Watershed covers 718,685 acres, and includes the drainage basins of Lake Traverse and the Bois de Sioux River.
Resources for wastewater clients.
Image Facilities with one or more aboveground storage tank (AST) with a total capacity of one million gallons or more must obtain a major facility…
This Winnebago River consists of a stream and lake system in southern Minnesota that flows into Iowa. The water resources here face several water quality challenges, including high nutrient and bacteria levels.
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.
Improving water quality in Lake George has required treating phosphorus in the water and filtering pollutants out of urban stormwater.
State experts anticipate an active summer for air quality alerts with recurring ozone and wildfire smoke events
MPCA solicited proposals from qualified contractors to research and report on the projected costs of climate change adaptation and resilience measures needed to mitigate the projected impacts in Minnesota.
Businesses with low levels of actual emissions can submit a simplified permit application and obtain a registration permit, with greater flexibility to make changes as long as they continue to maintain permit requirements.
Financial assistance for SSTS work is targeted to units of local government.
The MPCA completed 68 enforcement cases for water quality, air quality, hazardous waste, stormwater, and wastewater violations in the first half of 2025.