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An air emissions risk analysis estimates the potential human health risks from air pollution emitted by a facility.

We Are Water MN travels to Stillwater to focus on the St. Croix River, featuring artwork by painter Kami Mendlik.

A project to address excess sediment and turbidity in the Mississippi River, from Fort Snelling at St. Paul to upper Lake Pepin at Red Wing, based on a site-specific standard developed by the MPCA and Wisconsin Department of Natural Resources.

Resources for the dry cleaning industry

Pig’s Eye Dump in Saint Paul has been slated for cleanup and restoration.

We Are Water next visits Ely April 24 through June 16.

The We Are Water MN exhibit in Duluth's Hartley Nature Center runs from February 29 through April 22.

Researchers collect samples of sediment from the bottom of Lake of the Woods in 2024. (Photo courtesy of St. Croix Watershed Research Station) After years of study…

Construction and interim feedlot permit forms

$5.5 million grant from the U.S. EPA will help three Minnesota school districts partially electrify their bus fleets.

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

Minnesota is the first state to require producers fund boat wrap collection and recycling.

The Lake Superior - North Watershed covers over 1 million acres in the Northern Lakes and Forest ecoregion.

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

This long-term data gathering initiative helps track trends in water bodies around the state. The MPCA is grateful for every volunteer who has dedicated time to monitoring their favorite lake or stream.

Answers to common questions about the Construction Stormwater Permit application

Properly trained and certified SSTS personnel are critical. What work duties can local program staff do before becoming certified, and how can that process be expedited?

Sediment is composed of loose particles of sand, clay, silt, and other substances. Sediment flows into Minnesota lakes, rivers, and streams via runoff in both urban and rural areas.

With completion of the EAW review process, the MPCA will move forward with issuing West River Dairy’s feedlot permit on June 23.

Volunteers across Minnesota’s 87 counties have been collecting pine needles from coniferous trees in their neighborhoods to help the Minnesota Pollution Control Agency better understand how to protect Minnesotans from PFAS pollution.