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The MPCA is collaborating with many federal, Tribal, state, and local partners to clean up contaminated sites in the Duluth harbor and St. Louis River.

From the days when raw sewage flowed into rivers and lakes, Minnesota’s water bodies have come a long way. However, there is still work to be done in the restoration and protection of our waters.

A TMDL to address E. coli aquatic recreation impairments in five main-stem reaches of the Minnesota River.

MPCA completed 100 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the first half of 2024

Collaboration and engagement have been keys to progress in the St. Louis River AOC.

Complying with the MS4 general permit

Projects to prioritize environmental justice areas

The northeast region of Minnesota is home to the state’s metallic mining industry. The "Iron Range" has a history of iron ore (“ferrous”) mining dating back to the late 1800s and includes the large…

Minnesota state agencies are working together to reduce greenhouse gas emissions that cause climate change.

Sediment is composed of loose particles of sand, clay, silt, and other substances. Sediment flows into Minnesota lakes, rivers, and streams via runoff in both urban and rural areas.

Step 3: Requirements for pesticide dischargers

Registration form for service providers operating in Minnesota as a part of the state’s Packaging Waste and Cost Reduction Act.

The St. Louis River Watershed covers 3,584 square miles at the head of the Great Lakes and represents the extreme headwaters of the St. Lawrence River.

MPCA issues coverage to construction site owners and their operators to prevent stormwater pollution during and after construction, and protect Minnesota's water resources.

Minnesota is the first state to require producers fund boat wrap collection and recycling.

MPCA is opening the rule that regulates about 17,000 animal feedlots.

Green and safer product chemistry is formulating or designing a new product (or reformulating an existing one) to reduce harmful environmental, workplace, human health, and energy use effects over the product's entire life cycle.

States are responsible for developing a Regional Haze State Implementation Plan (SIP) that addresses regional haze in each Class I area located within the state and in each Class I area located…

The MPCA has developed best practices for vapor intrusion mitigation and public communication work used by the agencies and our contractors.

The Burnsville Sanitary Landfill (BSL) will expand to accommodate the growing municipal waste needs of the Twin Cities metro area. The expansion is part of the landfill’s long-term plan to extend the useful life of the landfill to 2062.