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The Nemadji River Watershed spans the Minnesota-Wisconsin border and covers nearly 1.2 million acres.

Environmental information and permits that affect wood-finishing industries.

The MPCA has developed a report to help improve the data when the volume of trash or recyclables has to be converted to weight.

Use these checklists to speed review and approval of wastewater design documents

Minnesota participates in this statistical survey of the condition of our nation's lakes, ponds, and reservoirs.

Volunteers can search for a lake or stream site that works for them and sign up to monitor it.

The MPCA plans to amend Minnesota Rules chapter 7050, which establishes beneficial uses and water quality standards to protect those uses, and designates where the uses occur in waters of the state.

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 Minnesota portion of the Roseau River watershed covers 774,197 acres; an additional 594,560 acres are across the U.S. border in Canada.

The Redeye River Watershed covers nearly 900 square miles and is located the northwestern to north-central part of the Upper Mississippi River Basin in central Minnesota. The watershed encompasses all or parts of Becker, Otter Tail, Todd, and Wadena counties.

People who service and dispose of vehicle air conditioners or appliances that contain refrigerants must be certified.

An electronics collector is a public or private entity that receives electronic devices from households and arranges for the delivery of the devices to a recycler. In Minnesota, electronics…

General permit intended for facilities using processes including abrasive blasting, brazing, catalytic or thermal oxidizers, dip tanks, injection molding, resin and gel coating, spraying and coating activities, and welding.

The MPCA works with partners throughout Minnesota each year to gauge the health of waters and identify stressors that harm fish and other aquatic life.

Pesticide NPDES permit steps to compliance: Terminating pesticide permit

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…

Water quality trades that have been arranged in Minnesota illustrate many opportunities to enhance pollution reduction efforts while offering flexibility and cost savings to regulated municipalities and industries.

Pollutant and runoff maps and data for major watersheds; watershed monitoring and assessment reports.

If you're new to the septic system world at the county level, or even if you've been in the job for a while, MPCA offers videos and companion documents to provide valuable background and insights.

MPCA online services give users online access to apply for permits and licenses, submit required information, and pay fees and invoices.