Search

The MPCA proposes to adopt the U.S. EPA's 2013 national recommended water quality criteria for ammonia as its Class 2 ammonia water quality standards for the protection of aquatic life.

Community wastewater treatment facilities and their operators play a critical role in maintaining a health community and preserving and protecting our waters.

Lange Agricultural Systems paid $12,511 for violations of both its hazardous waste and industrial wastewater permits.

Prevent costly sewer clogs by keeping grease out of sinks and by not flushing disposable wipes.

From shorter winter ice seasons to shifting fish populations, climate change is transforming Minnesota lakes as we know them.

The Lower Rainy River Watershed is composed of a conglomeration of tributaries to the Rainy River, from International Falls and west to the Rainy River's pour point at the Lake of the Woods.

The MPCA completed 78 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2025, for a total of 146 for the year.

MPCA investigation determined Derek Vekich committed stormwater and wetland violations in 2024.

Answers to common questions about the Construction Stormwater Permit application

Smith Foundry has ceased operations at its East Phillips facility after an investigation and settlement with the U.S. EPA that the MPCA supported.

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

Thanks to years of restoration efforts, the MPCA confirmed the Kabekona River meets water quality standards for recreation and proposed its removal from the 2026 impaired waters list.

An MPCA investigation determined David Heinonen of Grand Rapids filled in 3,200 square feet of wetland near Horsehead Lake in Itasca County without prior approval and engaged in unpermitted construction activities on 1.57 acres on the shore of Horsehead Lake.

Learn what you can do to protect yourself and your community from environmental problems caused by flooding.

An MPCA investigation found violations related to construction of a home on Schwappauff Lake, near the town of Greenfield in Hennepin County.

Dem-Con Landfill proposes to build a new municipal solid waste landfill at its environmental campus near Shakopee. It plans to convert 2.2 million cubic yards covering an approximately 81-acre fill area of its permitted construction and demolition landfill into a new municipal solid waste landfill. The creation of a new MSW landfill of this size requires the project to go through the environmental impact statement process.

Dentists in Minnesota must meet federal and state requirements to limit the amount of mercury in their wastewater.

Three members of MN GreenCorps worked through the Minneapolis Public Schools' free meal box program to promote waste reduction and recycling.

The MPCA is offering rebates to small businesses across the state to buy and sell lead-free fishing tackle, part of the state’s Get the Lead Out program

Elk River Landfill, Inc. proposes to expand its existing municipal solid waste (MSW) landfill near Elk River.