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The Lake Superior - South Watershed covers 402,371 acres.

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

The Rainy River - Rainy Lake Watershed covers 583,791 acres. Open water makes up 75,815 of those acres and wetlands occupy another 84,851 acres. The watershed is 64% in St. Louis County and 36% in Koochiching County. The northern boundary is part of the international border waters with Ontario, Canada.

Ask the MPCA features questions Minnesotans have asked us, on the issues the agency works on, from waste disposal, water and air quality, and chemicals in products to recycling and reuse,…

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

Details on Minnesota state contracts with businesses that provide environmental emergency response services.

Information will support the phase out of nonessential use of “forever chemicals” in Minnesota

Many industrial by-products are good candidates for land application based on their nutrient content.

The Root River starts as a drainage ditch in Mower County, then winds 81 miles from intensely farmed areas through more wooded, rolling terrain, and finally empties into the Mississippi River south of La Crosse, Wisconsin.

Ely Community Resources was recognized for it programs that engage young people in natural resource education and conservation.

Where possible, permit holders must use MPCA's e-Services to apply for reissuance and administrative amendments.

The air emissions breakdown/shutdown notification form is required by rule to prevent endangerment of human health or the environment.

The MPCA added three sites to the state’s priority list of contaminated sites that need further investigation and cleanup under Minnesota’s Superfund law.

A dedicated stakeholder advisory group was assembled from sectors that will be affected by PFAS at remediation sites to establish guidance for PFAS investigation and cleanup.

The MPCA released its environmental assessment worksheet (EAW) for the proposed expansion of Crow Wing County’s existing mixed municipal solid waste landfill northeast of Brainerd.

Minnesota businesses, organizations, and municipalities seeking or holding MPCA wastewater permits are charged two basic types of permit fees: application fees and annual fees.

A permit by rule (PBR) means a facility or activity meets the requirements outlined in Minnesota rules and is deemed to have obtained a solid waste management facility permit without making application for it.

As part of the PFAS pollution prevention law called Amara’s Law, manufacturers are required to report intentionally added PFAS in products sold in Minnesota and pay a fee. The Minnesota Pollution Control Agency has extended the reporting due date to Sept. 15, 2026.

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

Hear Josh Krenz's story about protecting water in Minnesota at We Are Water MN, a traveling exhibit and community engagement program that explores Minnesotans’ relationships with water. You can visit the exhibit from March 2 through April 24 at the Sherburne History Center in Becker, Minn.