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Certain proposed projects — based on their nature, size, location, or other factors — must go through an environmental review before any required permits or approvals are issued.

Learn about environmental regulations that may apply to your business. It is not an exhaustive list, so other regulations may apply.

Dakota County is now hosting We Are Water MN, a traveling exhibit and community engagement program that explores Minnesotans’ relationships with water.

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

The Little Fork River Watershed covers nearly 1.2 million acres, the main stem flowing 160 miles through north-central St. Louis County and heading northwest into Koochiching County. It flows more northerly until it reaches its confluence with the Rainy River about 11 miles west of International Falls.

The MPCA’s Smart Salting program helps cut down on chloride pollution by training snowplow drivers and municipalities to use less salt on the roadways.

Nearly all feedlot owners are required to register with the state and update their registration information every four years, unless they have applied for a permit recently. This page includes information about how to register.

Information about the work to clean up the pollution from over 100 years of unregulated development and industrial practices.

MPCA permits are required to both build and operate landfills in Minnesota.

The Minnesota GreenCorps program, coordinated by the MPCA, aims to preserve and protect Minnesota’s environment while training a new generation of environmental professionals.

MPCA keeps its public data easily accessible for convenient use.

Guidance for submitting data to MPCA Remediation Division programs: Superfund, Site Assessment, Petroleum Remediation, Brownfields, RCRA Remediation, Closed Landfill, and Integrated Remediation.

In Minnesota, wastewater treatment operators must be certified to ensure that facilities meet operational requirements.

Water quality trading is a market-based approach to the protection and restoration of surface waters, another tool to be used in conjunction with existing voluntary, regulatory, and financial assistance programs.

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.

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.

Removing of an old dam and restoring a creek's curves are improving habitat and water quality in the Pomme de Terre River Watershed.

Help your school get a recycling program organized and operating successfully.

Removing Middle Lake from the impaired waters list required wrangling with a bottom feeder, the invasive carp.

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