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Learn what steps you can take to reduce the pollution from small neighborhood sources.
Sandblasted material from a construction site was deposited on a parking ramp next door.
MPCA investigation determined Derek Vekich committed stormwater and wetland violations in 2024.
MPCA investigation found stormwater permit violations that occurred during a construction project in 2025, with sediment-laden stormwater entering a stream at a construction site in Chaska.
The MPCA's air monitors continually measure pollutants. With this data, the agency can track pollution trends over time and show if outdoor air meets air quality standards and health benchmarks.
Perchloroethylene or tetrachloroethylene (PCE or Perc) is chlorinated solvent used in a variety of processes as a solvent and degreaser. When released in the environment, some PCE will evaporate…
A brownfield assessment is a property investigation looking for potential contamination.
The fines stem from a release of sediment-laden water into a county ditch, and subsequent failures to notify, repair, and report on the incident.
Addressing excess nutrient levels in Lake Pepin based on the site-specific water quality eutrophication criteria for the lake developed by the MPCA.
The Army has proposed a plan for cleaning up contaminated sediment in Round Lake, located within the Twin Cities Army Ammunition Plant (TCAAP) site.
According to a Minnesota Pollution Control Agency (MPCA) enforcement investigation, Elliott Auto Supply Co. improperly stored hazardous waste, allowed them to accumulate and leak inside its vehicle fluid manufacturing facility in St. Paul, Minn.
Reusing and recycling materials from construction and demolition (C&D) can help address pressing disposal and contamination issues in Minnesota, and have significant economic and environmental benefits.
The MPCA is committed to engaging broadly with the public and ensuring that residents affected by its decisions have a voice in its processes.
MPCA investigation confirms discharges sediment-laden water into the Long Prairie River, in addition to other violations, during construction of CSAH 56 & 38.
When leaves fall on streets, sidewalks, and other hardscapes in urban areas, they wash into the storm drains and end up in lakes and rivers where they feed algae growth. The algae then decomposes and uses up oxygen that fish and native plants need.
Carba, a Minnesota-based company focused on carbon-capture technology, took home the MPCA’s Green and Sustainable Chemistry Prize at the 2023 MN Cup
Minnesota rules require that anyone installing, repairing, or removing regulated underground storage tanks be certified by the MPCA.
The Cloquet River Watershed covers approximately 507,858 acres (794 square miles) and is located within portions of Lake and St. Louis Counties in northeastern Minnesota.
Minnesota's strategic, coordinated approach to protecting families and communities from per- and polyfluoroalkyl substances.
The MPCA is collaborating with many federal, Tribal, state, and local partners to clean up contaminated sites in the Duluth harbor and St. Louis River.