Search
Medicines flushed down the drain can contaminate water, which can hurt fish and other aquatic wildlife, and end up in our drinking water.
The MPCA has announced 13 grant recipients that will receive a total of nearly $4.8 million for projects that will keep good food from going to waste in Minnesota while diverting usable food to people in need.
The MPCA's air monitors continually measure pollutants. With this data, the agency can track pollution trends over time and show if outdoor air meets air quality standards and health benchmarks.
The MPCA has a mobile air monitoring program that allows the agency to respond faster to community air quality concerns across the state. The mobile air monitor collects data in areas where permanent…
Minnesota is a national leader in ensuring healthy air quality. The Clean Air Act requires states to take significant responsibility for preventing and controlling air pollution. States must pass…
Water scientists from the MPCA published four watershed reports in 2025, updating the data we need to keep Minnesota’s waters clean and protected.
Resources for wastewater clients.
The National Crude Oil Spill Research Site near Bemidji was formed after a pipeline break released 10,000 barrels of crude oil in 1979.
The MPCA offers a variety of tools to help counties, cities, and townships develop and support systems that recover resources and manage waste.Notify the agency about changes to contacts in your…
Long-term lake management considers the unique environmental, cultural, and biological factors affecting the lake and sets a priority on finding lasting solutions.
We hope to make your monitoring experience as easy and enjoyable as possible. If you have any questions, or don’t find the resources you need, please contact us. 13456: Volunteer water…
Two small creeks in the Nemadji River watershed are cleaner, and some fish have returned, after restoration work that the MPCA took part in.
The St. Louis River Watershed covers 3,584 square miles at the head of the Great Lakes and represents the extreme headwaters of the St. Lawrence River.
The Long Prairie River Watershed covers approximately 565,078 acres and is located in the central part of the Upper Mississippi River Basin in central Minnesota. The watershed encompasses parts of Douglas, Otter Tail, Todd, Morrison and Wadena counties.
The MPCA certifies Minnesota municipal, government, or industrial laboratories that are used to comply with National Pollution Discharge Elimination System (NPDES)/State Disposal System (SDS) permits or for water quality work for agency programs.
Guidance and recommendations for local officials dealing with public health issues related to blue-green algae.
Nearly all feedlot owners are required to register with the state and update their registration information every four years, unless they have applied for a permit recently. This page includes information about how to register.
Construction and demolition projects produce twice the amount of waste of household trash every year. A new MPCA grant aims to reduce that amount by funding innovative building material reuse projects.
The MPCA has announced that 11 grant recipients will receive a total of $5.3 million for projects that build lasting capacity to support recycling markets in Minnesota.
Grants to replace heavy-duty diesel vehicles with electric or other, cleaner fuel options.