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Minnesota’s policy is to eliminate or reduce the use, generation, and release of toxic pollutants and hazardous wastes at their source.

The U.S. EPA approved Minnesota's Statewide Mercury Total Maximum Daily Load study in March 2007.

The MPCA uses the EQuIS database to store and manage monitoring data and associated laboratory results from streams, lakes, groundwater, ambient air, soil, sediment, and gas, collected through MPCA programs and partnerships.

The purpose of the Minnesota Pollution Control Agency's official social media accounts is to provide information about the MPCA and the programs, services, and products we provide. The MPCA social…

The Watershed Pollutant Load Monitoring Network (WPLMN) is a partnership that collects data on water quality and flow in Minnesota.

The MPCA has actively been developing methods and building capacity to improve our ability to monitor and assess wetlands to protect and restore them.

Cleveland-Cliffs owns the Minorca Mine northeast of Virginia, Minnesota. The mine’s two taconite mining pits are about one mile southeast of the plant.

POET Biorefining-Glenville LLC violated several air permit conditions between 2018 and 2023 at its ethanol production facility in Albert Lea, Minn. The facility emitting more particulate matter and volatile organic compounds than allowed by permit over the course of five years.

Superfund requires specific investigation and cleanup processes, designates parties that are legally responsible for the cleanup, and provides funds for certain types of cleanups under Minnesota’s Environmental Response and Liability Act (MERLA).

Countless bacteria can be found in land, water, humans, and animals. Most bacteria are beneficial, serving as food for larger organisms and playing critical roles in natural processes such as organic…

A training and certification program for evaluating aquatic life in Minnesota’s rivers and streams.

MPCA evaluates water quality by measuring and monitoring the health of fish, macroinvertebrates, and plants.

Each year, Minnesotans throw away more than 850,000 tons of recyclables, worth around $153 million. Here's how we're reducing those numbers in Greater Minnesota.

To ensure that every person in Minnesota has healthy air to breathe, the MPCA studies, monitors, and regulates air pollutants, primarily in three categories: criteria pollutants, air toxics, and greenhouse gases.

The Minnesota Pollution Control Agency (MPCA) is planning to add sites in New Hope, Saint Paul, and Rochester to the state's Permanent List of Priorities (PLP). Members of the public are invited to provide comments.

Nearly nine in 10 Minnesota communities have reported experiencing the impact of at least one weather trend caused by climate change, and few cities have defined plans to address it.

The MPCA has started a study intended to understand and document the variation in naturally occurring sulfate levels across the state.

Allows new and expanding wastewater treatment facilities to receive a discharge permit prior to completion of an applicable phosphorus-related TMDL. Through pre-TMDL phosphorus trading a, a new or expanding facility may increase its phosphorus discharge by purchasing a phosphorus reduction from another source.

Warming temperatures and increased rains caused by climate change continue to have real impacts on farms across Minnesota. Our agriculture industry will also play an important role in reducing the amount climate change causing pollution we produce as a state.

The MPCA uses the Environmental Quality Information System (EQuIS) to store water quality data from more than 17,000 Minnesota sampling locations.