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Before Laura Mendoza Romero got involved with shoreline restoration, she remembers going on boat rides and seeing all the different landscapes along the shore. Some houses you could barely see…

MPCA investigation found that Rainy Lake Oil failed to repair a pipe that was leaking diesel fuel underground for more than four months in 2024.

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.

Residents' guide to stormwater permitting.

This webpage will not only address potential noncompliance issues for air permittees, but it will help inspectors get all of the necessary information to facilities with one link.

After many years of investigation, design work and construction, the Great Lakes Legacy Act remediation projects at these sites near Duluth, Minnesota, are complete.

Long-term lake management considers the unique environmental, cultural, and biological factors affecting the lake and sets a priority on finding lasting solutions.

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

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

Facilities that produce air emissions can benefit by proposing limits on their own operations to avoid certain types of regulatory requirements. You might accept limits to stay under emission…

Industrial Stormwater Steps to Compliance - Step 5: Gather application materials before applying, use the e-Service to apply or modify coverage

Permit addresses the most common causes of contaminated groundwater, including releases of petroleum, volatile organic compounds, and other hazardous substances.

People who service and dispose of vehicle air conditioners or appliances that contain refrigerants must be certified.

The 2026 Climate Action Framework prioritizes reducing greenhouse gas emissions and protecting Minnesotans

In most of Minnesota’s livestock-dense counties, feedlot oversight is a cooperative effort between the MPCA and county government.

Batteries aren’t trash, they’re treasure: Recycling old batteries gives their materials a new life. Visit CollectED's new, carnival-style interactive exhibit at MPCA's Eco Experience at the Minnesota State Fair to learn more about batteries.

Licensing and certification requirements for SSTS businesses and professionals.

The MPCA created a statewide inventory of streams that have been hydrologically modified: channelized, ditched, or impounded

State experts anticipate an active summer for air quality alerts with recurring ozone and wildfire smoke events

Warming temperatures and increased rains caused by climate change continue to have real impacts on farms across Minnesota. Our agriculture industry will also play an important role in reducing the amount climate change causing pollution we produce as a state.