Search

Environmental information and permits that affect metal fabrication and finishing businesses.

Northern Iron operates an iron foundry in an environmental justice area in Saint Paul's Payne-Phalen neighborhood.

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.

Does it seems like the number of alerts due to wildfires has increased in the past few years? We’ve had 46 air-quality alerts since 2015—34 of those due to wildfire smoke.

Excess phosphorus is harming Minnesota waters. Phosphorus comes from both regulated and non-regulated sources. A quarter of Minnesota lakes have high levels of phosphorus, which means that they do…

The MPCA regulates waste, recycling, and disposal activities in Minnesota. MPCA permits are required for the design, construction, and operation of solid waste management facilities where storage, collection, transportation, processing or reuse, conversion, or disposal of solid waste occurs.

Air sensors are instruments that measure air quality conditions in near real time.

State Superfund sites are listed on the Minnesota Permanent List of Priorities (PLP) primarily in order to access funding when responsible parties are unwilling or unable to conduct the necessary site investigation and cleanup.

To help you quickly determine whether this permit affects you, what your requirements are, and what to do next, the MPCA has developed an Applicability flow chart

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.

Bagnado, a 25-foot-tall spinning tornado of plastic bags, will return to Eco Experience at the Minnesota State Fair

The MPCA recognized 236 wastewater facilities for outstanding operations in 2024.

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…

A cumulative impacts analysis provides a comprehensive look at all burdens that affect a community or neighborhood.

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

MPCA recognized 253 municipal and industrial wastewater treatment plants for outstanding operations in 2023.

Some pollutants attach to suspended particles in the water and subsequently settle out to the bottom sediment. At elevated concentrations, contaminated sediments can contribute to fish…

Investments in electric vehicle charging stations around Minnesota.

Water scientists from the MPCA published four watershed reports in 2025, updating the data we need to keep Minnesota’s waters clean and protected.

Environmental information and resources for gas stations.