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Lake of the Woods is a big lake with a big problem caused by one of nature’s smallest organisms: algae. Scientists from the MPCA and the Science Museum are working together to understand why.
How to prepare recycling for the curb
The Thief River begins its course in Marshall County at Thief Lake, flowing south/southwest to converge with the Red Lake River.
The MPCA is currently recruiting volunteers to measure water clarity in numerous lakes and streams across the state and then report the data back to the agency.
Profile of John Weiss, a volunteer with the MPCA's Volunteer Water Monitoring Program
The Rum River Watershed covers 997,060 acres in east-central Minnesota, covering parts of Aitkin, Crow Wing, Morrison, Mille Lacs, Kanabec, Benton, Isanti, Chisago, Sherburne, and Anoka counties.
MPCA awards first of two rounds of Tribal technical assistance grants intended to advance environmental work on reservations and in Tribal communities
Minnesota is a national leader in keeping mercury out of the environment.
The MPCA provides workshops and conferences to help solid waste landfill operators get certified and stay up to date.
MagIron LLC proposes to restart a mining and processing facility near Grand Rapids, which will require new air and industrial wastewater permits from the MPCA.
In 2023, Minnesota saw more air quality alerts covering more days than ever before. Smoke from Canadian wildfires throughout the summer caused many of the alerts, though climate change is playing a growing role in Minnesota's air quality.
One indicator of impairment that puts a stream on the Impaired Waters List is its macroinvertebrate population. Here's how that works.
DENCO II LLC failed a stack test in April, 2024, that showed that the facility exceeded its permit limit for particulate matter by more than 170%.
Nottingham Construction failed to notify the MPCA that it was demolishing a property in Mahtomedi that contained asbestos and failed to send the asbestos demolition debris to a permitted facility.
Minnesota is the first state to require producers fund boat wrap collection and recycling.
Pig’s Eye Dump in Saint Paul has been slated for cleanup and restoration.
In Minnesota, handlers of oil and hazardous substances are required to prepare for potential spills and take steps to prevent them.
The Crow Wing River Watershed is located in north-central Minnesota and covers approximately 1,946 square miles within the counties of Becker, Cass, Clearwater, Crow Wing, Hubbard, Morrison, Otter Tail, Todd, and Wadena.
Biosolids that will be applied to land must meet strict regulations and quality standards.
MPCA awards $2.4 million to eight organizations for projects focused on sustainable building and materials management strategies that reduce waste and increase deconstruction, salvage, and reuse in Minnesota.