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State government agencies, in collaboration with local partners, are leading trailblazing work to protect Minnesotans from per- and polyfluoroalkyl substances (PFAS) pollution.

While hundreds of fish kills occur in Minnesota every year, mostly in lakes and ponds, fish kills on trout streams in southeast Minnesota are much less common.

We hope to make your monitoring experience as easy and enjoyable as possible. If you have any questions, or don’t find the resources you need, please contact us. 13456: Volunteer water…

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

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.

Water scientists from the MPCA published four watershed reports in 2025, updating the data we need to keep Minnesota’s waters clean and protected.

All distribution media products must be registered with the MPCA.

To prevent food waste at its veterans homes, the Minnesota Department of Veterans Affairs used a $185,000 MPCA grant to purchase new meal-ordering technology.

Help your school get a recycling program organized and operating successfully.

Profile of John Weiss, a volunteer with the MPCA's Volunteer Water Monitoring Program

Don't let your septic system freeze. Here are some simple tips that can help you avoid costly problems with your septic system.

Cleaner water is taking hold across Minnesota this Earth Day as farmers and communities scale up solutions that protect rivers, strengthen soil, and build resilience from headwaters to downstream lakes.

The MPCA's new online training will help small businesses adapt to the effects of climate change and become more resilient.

Guidance for small businesses on reporting air emissions.

Answers to frequently asked questions about compliance and MPCA's enforcement of environmental rules in Minnesota.

Minnesota has a growing salty water problem that threatens its freshwater fish and other aquatic life. Chloride from both de-icing salt and water softener salt gets into lakes and streams, and…

Permit  2025 Multi-Sector General Permit for Industrial Stormwater (wq-strm3-102g) Effective June 1, 2025 Updates and new…

Companies penalized for improperly releasing polluted stormwater at Xcel Energy’s St. Paul Service Center construction site on the east side of Saint Paul.

MPCA and MDH statement on the U.S. EPA's maximum contaminant levels for PFAS in drinking water.

James Wooton puts his scuba diving skills to work monitoring for aquatic invasive species in Otter Tail County lakes.