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The St. Louis River Mercury TMDL will determine mercury reductions needed for lakes and rivers in the St. Louis River watershed.

Details on major and minor modifications of a solid waste management facility permit.

MPCA rules govern the collection, transportation, storage, processing, and land application of animal manure and other livestock operation wastes.

1,4-dioxane was mainly used as a stabilizer for chlorinated solvent 1,1,1-trichloroethane. 1,4-dioxane can also be an unintended contaminant in the production of certain products, including some…

Volkswagen settlement dollars are funding the replacement of older, dirtier diesel engines with newer, cleaner equipment.

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.

MPCA had approximately $1 million for projects that increase the efficiency or effectiveness of waste reduction, reuse, recycling, or composting programs in Greater Minnesota.

Information about a variety of initiatives in Minnesota related to PFAS pollution.

The MPCA completed 78 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2025, for a total of 146 for the year.

A new facility that will process organic materials through anaerobic digesters in Shakopee.

MPCA permits are required to both build and operate landfills in Minnesota.

All distribution media products must be registered with the MPCA.

The We Are Water MN exhibit in Duluth's Hartley Nature Center runs from February 29 through April 22.

By taking steps beyond compliance to reduce your business's energy use and transportation impact and increasing the sustainability of your business's operations, your business can see tangible benefits.

A series of new culverts in Lake County reconnect brook trout habitat and provide resilience to climate change for area roads.

Improving water quality in Lake George has required treating phosphorus in the water and filtering pollutants out of urban stormwater.

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.

Minnesota rules identify 16 standing beneficial uses for which waste generators or end users can simply follow the applicable rules without contacting the MPCA.

Minnesota is the first state government in U.S. to use this combination of innovative technologies to address "forever chemicals”

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