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Across the state, water softeners contribute significantly to chloride pollution. Here’s how to make sure your water softener isn’t sending excess salt into the environment

MPCA's compliance and enforcement program tracks how well wastewater treatment facilities are complying with their permits and takes enforcement actions when necessary.

Minnesotans are encouraged to share feedback through Nov. 9, 2025

MPCA is planning new rules governing how the MPCA determines currently unavoidable uses of per- and polyfluoroalkyl substances (PFAS) in products.

Minnesota’s policy is to eliminate or reduce the use, generation, and release of toxic pollutants and hazardous wastes at their source.

Climate adaptation is about developing strategies to help human and natural systems become more resilient to the effects of climate change.

Minnesota is a national leader in ensuring healthy air quality. The Clean Air Act requires states to take significant responsibility for preventing and controlling air pollution. States must pass…

Financial assistance for assessment and clean up of contaminated sites in Minnesota.

Profile of Karl Scheuer, a volunteer with the MPCA's Volunteer Water Monitoring Program

We Are Water next visits Ortonville and the Big Stone Lake area March 15 through April 21.

We Are Water next visits Ely April 24 through June 16.

Smart technology, conservation practices, and a commitment to clean water help this family dairy and crop operation thrive — while protecting rivers, streams, and future generations.

Counties and solid waste management districts around the state are required to prepare and implement detailed plans for solid waste management.

Reducing campus discards and raising awareness of sustainability through outreach and community engagement

Anglers can choose lead-free materials when shopping for fishing tackle. Popular options include tungsten, steel, tin, bismuth/tin, and glass.

Air quality dispersion modeling uses a computer model to estimate air pollution concentrations from regulated facilities and other sources of pollution.

Addressing excess nutrient levels in Lake Pepin based on the site-specific water quality eutrophication criteria for the lake developed by the MPCA.

Starting Jan. 1, 2025, the first prohibitions of products containing intentionally added PFAS took effect in Minnesota.

Environmental information and resources for the aggregate industry.

Answers to questions frequently asked by municipalities about management of contaminated sediments in stormwater collection systems that they own and operate.