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The Leech Lake River Watershed consists of approximately 854,659 acres (1,335 sq. miles) in the northern part of the Upper Mississippi River Basin. The watershed includes parts of Beltrami, Cass, and Hubbard counties and the Leech Lake Reservation (Leech Lake Band of Chippewa).

Minnesota rules require many facilities that produce air emissions to conduct performance testing.

The Mississippi River - Headwaters Watershed consists of 1.26 million acres (1,961 square miles) and contains the headwaters of the Mississippi River at Lake Itasca in Itasca State Park. The watershed includes parts of Becker, Beltrami, Cass, Clearwater, Hubbard and Itasca counties.

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

Volkswagen settlement funds are helping MPCA clean up air pollution and invest in cleaner transportation to support a healthy environment and reduce emissions in Minnesota, especially in communities most impacted by vehicle pollution.

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

Environmental information and permits that affect businesses using stationary engines or generators.

Check out MPCA's new online tool for learning about polluted sites across Minnesota.

The MPCA monitors water quality in rivers and streams is several different ways around the state.

Certain types of permits and approvals to conduct solid waste activities require a notification to the MPCA of the intent to perform the specified solid waste activity.

Minnesota rules identify 16 standing beneficial uses for which waste generators or end users can simply follow the applicable rules without contacting the MPCA.

Improving water quality in Lake George has required treating phosphorus in the water and filtering pollutants out of urban stormwater.

Facilities that produce air emissions can benefit by proposing limits on their own operations to avoid certain types of regulatory requirements. You might accept limits to stay under emission…

The Otter Tail River Watershed encompasses three different ecoregions, covering more than 1.2 million acres in west-central Minnesota.

Phosphorus management plans help wastewater treatment facility operators and managers evaluate pollution prevention and and management options that can reduce the amount of phosphorus discharged to Minnesota waters.

The MPCA communications and outreach team is a valuable resource to reporters and editors.

Minnesota rules allow for specific uses (called beneficial uses) of certain materials that otherwise would be classified as solid waste.

The MPCA's new online training will help small businesses adapt to the effects of climate change and become more resilient.

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

The MPCA had just over $800,000 available to support waste reduction and reuse projects across the state.