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MPCA's compliance and enforcement program tracks how well wastewater treatment facilities are complying with their permits and takes enforcement actions when necessary.
Superfund requires specific investigation and cleanup processes, designates parties that are legally responsible for the cleanup, and provides funds for certain types of cleanups under Minnesota’s Environmental Response and Liability Act (MERLA).
Chemicals in the air toxics emission inventory.
MPCA completed 100 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the first half of 2024
Minnesota’s air currently meets all federal air quality standards. However, even levels of air pollution below the standards can affect people’s health, including levels currently found in parts of Minnesota.
Create an editable spreadsheet with the information indicated below. Each step in your calculations needs to be clear and easy to follow.Facility informationProvide the facility information listed on…
An air emissions risk analysis estimates the potential human health risks from air pollution emitted by a facility.
We have some suggestions for avoiding disposable items, excessive packaging, and single-use plastics when shopping for your everyday needs.
Regular people are pretty good at judging water quality, and new research from the Minnesota Pollution Control Agency (MPCA) proves it.
Environmental information and resources for the biochar industry.
The MPCA recognized 236 wastewater facilities for outstanding operations in 2024.
The MPCA is committed to engaging broadly with the public and ensuring that residents affected by its decisions have a voice in its processes.
In 2023, Minnesota saw more air quality alerts covering more days than ever before. Smoke from Canadian wildfires throughout the summer caused many of the alerts, though climate change is playing a growing role in Minnesota's air quality.
BMPs required to manage the slurry to comply with Minnesota statute and agency rules to protect water quality.
A stormwater system upgrade in Duluth was expanded with the help of an MPCA employee who tapped into available funding. It protects Lake Superior and can serve as an example for other cities and counties.
The MPCA completed 68 enforcement cases for water quality, air quality, hazardous waste, stormwater, and wastewater violations in the first half of 2025.
The U.S. EPA has awarded Minnesota $200 million to cut climate pollution from our state’s food systems through the Climate Pollution Reduction Grants program.
In Minnesota, certain tasks in the design, installation, repair, maintenance, operation, or inspection of septic systems can only be done by certified individuals. Find out what training, experience, and exams are required to fulfill the requirements for certification.
Status of total maximum daily load (TMDL) projects in Minnesota.
Under the federal Clean Water Act, states must designate beneficial uses for all waters and develop water quality standards to protect each use.