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The 2025 MPCA annual report on Brownfields celebrated numerous major achievements cleaning up and rehabilitating polluted properties.

Requirements for discharges from a project site and/or management control site(s).

Through this Minnesota climate smart food systems (CSFS) grant, the MPCA sought project proposals to partially fund new, cleaner versions of fossil fuel on-road and off-road equipment and vehicles in Minnesota.

Controlling phosphorus is an important part of protecting Minnesota waters.

The MPCA regulates most aspects of livestock management including the location, design, construction, operation, and management of feedlots and manure-handling facilities.

A training and certification program for evaluating aquatic life in Minnesota’s rivers and streams.

Recyclers of CED must register with the MPCA; there is no annual fee. Recyclers must meet certain requirements in terms of regulatory compliance, necessary licensure, and insurance.

Grants to replace older diesel vehicles with cleaner models, improving air quality and public health.

Minnesota samples a network of shallow monitoring wells designed to provide early detection of contamination in the groundwater.

The Olmsted Soil and Water Conservation District's Soil Health Farm demonstrates how farmers can benefit from practices that also provide resilience to climate change.

The MPCA uses the Environmental Quality Information System (EQuIS) to store water quality data from more than 17,000 Minnesota sampling locations.

MagIron LLC proposes to restart a mining and processing facility near Grand Rapids, which will require new air and industrial wastewater permits from the MPCA.

Water quality trades that have been arranged in Minnesota illustrate many opportunities to enhance pollution reduction efforts while offering flexibility and cost savings to regulated municipalities and industries.

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

All distribution media products must be registered with the MPCA.

Learn about environmental regulations that may apply to your business. It is not an exhaustive list, so other regulations may apply.

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

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.

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 is leading multiple initiatives to reduce greenhouse gas emissions from the transportation sector.