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The MPCA provides assistance and training for program managers and operators of household hazardous waste (HHW) facilities to ensure compliance with environmental and worker protection laws and regulations.

The MPCA's Petroleum Remediation Program addresses risks to people and the environment from contamination caused by leaking petroleum storage tanks.

In Minnesota, about 18,000 regulated underground storage tanks (UST) are in use. State rules specify requirements for underground storage tanks (UST) that store petroleum or hazardous substances, and any piping or other structures that are part of the tank systems.

Implementing water quality standards come with tangible costs and benefits. Costs such as taxes to residents, regulated parties, and communities help achieve benefits such as increased property values, tourism, and protecting human health.

First of a series of MPCA staff profiles. Kevin Stroom conducts research on streams and has published a report about Straight River.

Ready-to-run meteorological data suitable for AERMOD.

The Rapid River watershed covers 573,060 acres in northern Minnesota. Over 79% of the land in the watershed is owned or managed by state entities.

Clean Water Fund dollars come from the Clean Water, Land and Legacy Amendment that Minnesotans approved in 2008.

Air quality dispersion modeling uses a computer model to estimate air pollution concentrations from regulated facilities and other sources of pollution.

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…

New major-emitting industrial facilities and major modifications of existing facilities must obtain a permit before construction and include the best pollution-control technology available if they significantly increase emissions.

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

To reduce the pollution that causes climate change, Minnesota has set goals to cut our collective greenhouse gas (GHG) emissions and track progress.

An air emissions risk analysis estimates the potential human health risks from air pollution emitted by a facility.

The amount of hazardous waste you generate will dictate your waste generator status.

Researchers collect samples of sediment from the bottom of Lake of the Woods in 2024. (Photo courtesy of St. Croix Watershed Research Station) After years of study…

While hundreds of fish kills occur in Minnesota every year, mostly in lakes and ponds, fish kills on trout streams in southeast Minnesota are much less common.

Minnesota’s extended producer responsibility bill for packaging, food packaging, and paper products requires a producer responsibility organization to reduce the environmental and human health impacts of these materials.

The Minnesota Department of Natural Resources (DNR) and Minnesota Pollution Control Agency (MPCA) sample and test fish in bodies of water where known pollution issues may be a concern for human health through fish consumption.

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