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Determine what type(s) of water quality permit is required at facilities that mine construction sand and gravel; industrial sand; quarry limestone, granite or dimension stone; operate hot mix asphalt production areas; produce concrete block, brick and other products; and/or produce ready-mix concrete.

The PFAS guidance document uses an evidence-based approach that builds upon the framework and strategies presented in previous MPCA publications.

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…

Composting organic waste and compostable products creates a valuable product that improves soil fertility, conserves water, and reduces erosion.

Environmental information and resources for gas stations.

When leaves fall on streets, sidewalks, and other hardscapes in urban areas, they wash into the storm drains and end up in lakes and rivers where they feed algae growth. The algae then decomposes and uses up oxygen that fish and native plants need.

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.

The MPCA is working to address environmental concerns at the closed Freeway Landfill, to prevent the buried waste from affecting drinking water and the nearby Minnesota River.

During the 2023 legislative session, Minnesota invested over $100 million to fund grant programs that support investment in climate resilience. Each initiative supports MPCA’s implementation of Minnesota’s Climate Action Framework.

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

The MPCA and its many partners collect a wide variety of data on environmental conditions and pollution sources.

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

Environmental information and permits that affect businesses that paint, coat, or strip surfaces.

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

MPCA’s community air monitoring pilot grant program will provide $4.85 million to build more networks of community air sensors in the Twin Cities metro area.

Important details to help make your e-Service administrative submittal go as smoothly as possible.

Water softeners produce much of the chloride that pollutes Minnesota’s waters. An MPCA grant aims to reduce that pollution with water softener replacement rebate programs.

Prevent costly sewer clogs by keeping grease out of sinks and by not flushing disposable wipes.

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

MPCA guidance on petroleum site investigation and remediation, reporting, and more.