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Per- and polyfluoroalkyl substances (PFAS) are a group of thousands of human-made chemicals that do not break down over time. PFAS are sometimes called “forever chemicals” due to their extreme…

The time that Andy Vig spends along the Minnesota River near Hoċokata Ṫi, cultural center of the Shakopee Mdewakanton Sioux Community, serves as a reminder of where his water comes from and a…

The Minnesota Nutrient Reduction Strategy (NRS) compiles the latest science, research, and data and recommends the most effective strategies to reduce nutrients in our waters from both point and nonpoint sources.

Find out what’s being done in Minnesota’s watersheds to protect and improve water quality.

One of the most basic forms of air pollution, haze reduces visibility in many cities and scenic areas within the United States. Haze-causing pollutants come from a variety of sources, both natural and man-made, including motor vehicles, electricity generation, industrial facilities, agriculture, and wildfires.

MPCA plans to amend existing Minnesota Rules governing permits and solid waste landfills (chapters 7001 and 7035).

The MPCA investigates sites where hazardous substances have been or could be released to identify risks and appropriate remediation plans.

Trichloroethylene (TCE) is a man-made chemical commonly found in wood finishes, glues and adhesives, paint or paint removers, and spot and metal cleaners. Exposure can have significant effects…

Francesca Crego, or Frannie, fondly recalls bike rides along the Mississippi River’s edge with her family. Growing up in the city, Frannie appreciated the feeling of mysticality brought by the river’…

Designing stormwater systems to handle the challenges of climate change differs in every community across the state. Here’s how one community is meeting that challenge

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

Less than three years after Minnesota passed the country's first ban on TCE, a carcinogenic solvent, facilities around the state have removed it from their processes.

With all the talk about health these days, consider the health of the soil beneath your feet. Farmers in western Minnesota are doing just that, teaming up to improve soil health.

The Cottonwood River is located in southwestern Minnesota in the counties of Brown, Cottonwood, Lyon, Murray, and Redwood. It begins near Balaton in southwest Lyon County.

To obtain coverage under this permit, the owner(s) must document compliance with the criteria for coverage under this general permit, prior to disposal of the uncontaminated concrete.

The MPCA has important roles in protecting and restoring waters in degraded conditions.

The MPCA library provides access to the agency's curated collection of environmental information for agency employees, external professionals, and the public.

Environmental Assessment Worksheets (EAW) and Environmental Impact Statements (EIS) are part of MPCA's environmental review, providing a standardized and public process to disclose information about the potential negative environmental effects of a proposed development and ways to avoid or minimize them before the project is permitted and built.

401 Certification process for applying Minnesota water quality standards to federal permitting actions.

If you want to submit a complaint or report a non-emergency environmental incident, use this online complaint form instead.