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The Legislature has given the MPCA the authority to develop rules to protect state environmental resources.

The Mississippi River - Twin Cities Watershed is 656,990 acres and lies almost entirely in the North Central Hardwoods Forest ecoregion in the Mississippi River Basin. The watershed contains 1,320 stream miles and 380 lakes. More than 1.8 million people live in this watershed.

Tools and materials for partners and stakeholders interested in minimizing the impact of chloride on Minnesota lakes, rivers, and groundwater.

Coal tar-based sealants can no longer be sold or applied legally in Minnesota as of 2014.

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.

The Performance Excellence Network has awarded the MPCA its Excellence Award for the agency's superior operational performance and commitment to continuous improvement.

Minnesota Agricultural Water Quality certified farms have added more than 2,000 new conservation practices, including over 110,000 acres of new cover crops that protect Minnesota’s waters.

We Are Water MN travels to Leech Lake, where Raining White works to protect and restore manoomin, or wild rice.

How to prepare recycling for the curb

Partnerships and diversified funding drive the work to restore water quality in impaired streams in the Red Lake River Watershed through science-based interventions.

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

Nitrogen, like phosphorus, is a nutrient that pollutes in state waters, and its concentration in many rivers has been increasing from historic natural levels over time due to human influences.…

Minnesota rules require that anyone installing, repairing, or removing regulated underground storage tanks be certified by the MPCA.

Join the celebration! We look forward to highlighting Minnesota’s clean water successes and invite you to use our 50th anniversary art and branded graphics.

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.

James Wooton puts his scuba diving skills to work monitoring for aquatic invasive species in Otter Tail County lakes.

Excess phosphorus is harming Minnesota waters. Phosphorus comes from both regulated and non-regulated sources. A quarter of Minnesota lakes have high levels of phosphorus, which means that they do…

Answers to common questions about the Construction Stormwater Permit application

Tools to help small businesses determine if they need an air emissions permit and/or track compliance with their current air emissions permit.

Systems to treat drinking water have been installed to address groundwater contamination in two St. Louis Park and three Edina municipal wells.