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St. Paul Brass manufactures brass, bronze, and aluminum castings in the Frogtown neighborhood of Saint Paul, an environmental justice area.

Environmental rules and regulations are essential tools used to protect Minnesota’s environment, setting standards for environmental quality and limits on pollutants that can be discharged from facilities. The MPCA helps protect our environment by writing and enforcing these rules and regulations.

During the 2023 legislative session, legislators passed more than a dozen funding and policy proposals to address food waste, organics, recycling market development, and wood waste.

A 2008 law requires the MPCA to analyze and consider “cumulative levels and effects of past and current pollution” for air permits in a specific part of south Minneapolis.

MPCA wastewater staff assigned by county.

The MPCA’s Smart Salting program helps cut down on chloride pollution by training snowplow drivers and municipalities to use less salt on the roadways.

In karst landscapes, the distinction between groundwater and surface water is blurry.

MPCA plans to amend its 20-year old rules governing land treatment of petroleum-contaminated soil.

The MPCA invites the public and manufacturers to provide comments on the reporting and fees rule for products containing PFAS.

Industrial stormwater steps to compliance Step 6: Meet requirements

Pretreatment by commercial facilities and other non-domestic wastewater sources removes harmful pollutants before the wastewater is discharged to a municipal sewer system. The U.S. EPA has delegated MPCA the authority to approve pretreatment programs at the local level and oversee statewide pretreatment activities.

Data shows that ice cover on Minnesota's lakes doesn't last as long as it used to. That means a shorter ice fishing season, yes, but it also has implications for the environment and Minnesota's fish and wildlife.

A watershed is the area of land where all of the water that drains off of it goes into the same place — a river, stream or lake.

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

3M will use an advanced wastewater treatment system to remove per- and polyfluoroalkyl substances (PFAS) from its Chemical Operations facility in Cottage Grove.

The MPCA has released the draft 2025 Minnesota Nutrient Reduction Strategy for public review and comment.

The MPCA identified a series of policy recommendations for the optimal management of decommissioned solar panels.

Removing of an old dam and restoring a creek's curves are improving habitat and water quality in the Pomme de Terre River Watershed.

Tools and materials for partners and stakeholders interested in minimizing the impact of chloride on Minnesota lakes, rivers, and groundwater.

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