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Study funded by the $850 million settlement that Minnesota reached with 3M in 2018  focused on the area served by the Valley Branch Watershed District’s Project 1007 rainwater conveyance system in the East Metro.

Some facilities may have air emissions low enough to qualify as "insignificant," and not be required to have an air permit.

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

A legacy of trichloroethylene disposal at the General Mills/Henkel Corp. Superfund Site at 2010 East Hennepin created an area of groundwater contamination that has led to vapors traveling upward through the soil, where it can enter houses and buildings.

Learn what you can do to protect yourself and your community from environmental problems caused by flooding.

Spilled mercury, even small quantities in the home, should be cleaned up quickly and properly so that people don't come in contact with it or breathe its vapors.

PFAS are persistent and problematic chemicals that are found throughout the environment and not just in areas where large quantities have been manufactured, disposed of, or spilled. PFAS are…

Lead-free fishing tackle is not a novelty. We provide this list of vendors that manufacture, retail, or supply nontoxic fishing weights.

The MPCA announced cleanup plans for the defunct Hibbing Gas Manufacturing Plant site, explained in a draft Minnesota Decision Document that is available for public comment until July 9, 2026.

Part 70 Reissuance application formsStarting July 1, 2020, Individual permit holders must use MPCA's e-Services to apply for air permit reissuance.Paper reissuance applications will only be accepted…

Profile of Julia Dady, a volunteer water monitor for Battle Creek in Saint Paul.

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

Where possible, permit holders must use MPCA's e-Services to apply for reissuance and administrative amendments.

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

The MPCA intends to repeal Minnesota Rules, parts 7023.0150, 7023.0200, 7023.0250, and 7023.0300 relating to Clean Cars Minnesota (CCM).

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

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.

Shopping for a new wood stove? Remember that new stoves and outdoor boilers must be certified to new 2020 emission standards to be sold in Minnesota.

This long-term data gathering initiative helps track trends in water bodies around the state. The MPCA is grateful for every volunteer who has dedicated time to monitoring their favorite lake or stream.

We Are Water MN travels to Leech Lake, where Raining White works to protect and restore manoomin, or wild rice.