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Increasing organics collection and processing infrastructure is necessary to meet statewide recycling goals

Tools to help small businesses determine if they need an air emissions permit and/or track compliance with their current air emissions permit.

To ensure that every person in Minnesota has healthy air to breathe, the MPCA studies, monitors, and regulates air pollutants, primarily in three categories: criteria pollutants, air toxics, and greenhouse gases.

Removing of an old dam and restoring a creek's curves are improving habitat and water quality in the Pomme de Terre River Watershed.

Properly trained and certified SSTS personnel are critical. What work duties can local program staff do before becoming certified, and how can that process be expedited?

Chloride is a problem for wastewater facilities and stormwater permittees.

Environmental information and permits that affect hot mix asphalt plants.

Air quality map of current conditions in Minnesota.

Emissions generated from gasoline and diesel powered vehicles are the greatest source of air pollution in Minnesota

Environmental information and permits that affect wood-finishing industries.

Environmental rules and regulations are essential tools used to protect Minnesota’s environment, setting standards for environmental quality and limits on pollutants that can be discharged from facilities. The MPCA helps protect our environment by writing and enforcing these rules and regulations.

The MPCA announced cleanup plans for the defunct Hibbing Gas Manufacturing Plant site, explained in a draft Minnesota Decision Document that is available for public comment until July 9, 2026.

Systems to treat drinking water have been installed to address groundwater contamination in two St. Louis Park and three Edina municipal wells.

MPCA plans to amend its 20-year old rules governing land treatment of petroleum-contaminated soil.

The MPCA is committed to engaging broadly with the public and ensuring that residents affected by its decisions have a voice in its processes.

Find out whether your feedlot needs to register, to get an environmental review, or apply for a permit.

Join the celebration! We look forward to highlighting Minnesota’s clean water successes and invite you to use our 50th anniversary art and branded graphics.

Residential wood burning has been increasing in Minnesota, both for home heating and recreation.

A water quality variance is a temporary change in a state's water quality standard for a specific pollutant and its relevant criteria, allowing deviation from meeting a water quality-based effluent limit for a particular discharger.

Sugar beet processing facility emitted higher levels of hydrogen sulfide and particulates than its permit allows between 2020 and 2022. The Polk-Norman-Mahnomen Community Health Board will receive 40% of the $350,000 penalty according to a new Minnesota statute enacted in 2023.