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One of the most basic forms of air pollution, haze reduces visibility in many cities and scenic areas within the United States. Haze-causing pollutants come from a variety of sources, both natural and man-made, including motor vehicles, electricity generation, industrial facilities, agriculture, and wildfires.

The amount of hazardous waste you generate will dictate your waste generator status.

Designing stormwater systems to handle the challenges of climate change differs in every community across the state. Here’s how one community is meeting that challenge

Resources developed by the Minnesota Department of Health and the Minnesota Pollution Control Agency to help you spread the word about how Minnesota will reduce “forever chemicals” through Amara’s Law.

Join the celebration! We look forward to highlighting Minnesota’s clean water successes and invite you to use our 50th anniversary art and branded graphics.

From January through March 2025, MPCA air monitoring data showed elevated lead levels that exceeded national ambient air quality standards near the facility. An MPCA inspection of Gopher Resource in spring 2025 confirmed that the source of the elevated lead levels was addressed.

A stormwater system upgrade in Duluth was expanded with the help of an MPCA employee who tapped into available funding. It protects Lake Superior and can serve as an example for other cities and counties.

The MPCA uses the Environmental Quality Information System (EQuIS) to store water quality data from more than 17,000 Minnesota sampling locations.

When temperatures climb, conditions are ripe for Minnesota lakes to produce algae blooms, some of which can be harmful to pets and humans.

The National Crude Oil Spill Research Site near Bemidji was formed after a pipeline break released 10,000 barrels of crude oil in 1979.

Phosphorus management plans help wastewater treatment facility operators and managers evaluate pollution prevention and and management options that can reduce the amount of phosphorus discharged to Minnesota waters.

Kohlman Lake, one of 27 bodies of water to come off the impaired waters list this year, did so with substantial help from the Clean Water Fund.

Answers to frequently asked questions about compliance and MPCA's enforcement of environmental rules in Minnesota.

Are pets affected by poor air quality? Will wearing a mask help when I’m outside? What is particulate pollution? We’ve got the answers.

SSTS work in Minnesota must be completed by licensed businesses under the supervision of certified individuals.

MPCA's Closed Landfill Program is a voluntary program established in 1994 to properly close, monitor, and maintain Minnesota's closed municipal sanitary landfills.

Climate adaptation identifies strategies and actions that help human and natural systems cope with and become more resilient to the impacts of climate change.

With 100 days until a law aimed at removing PFAS from consumer products goes into effect, state leaders celebrate three Minnesota-based companies already offering goods made without PFAS.

Guidance and recommendations for local officials dealing with public health issues related to blue-green algae.

Removing Middle Lake from the impaired waters list required wrangling with a bottom feeder, the invasive carp.