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Every two years, MPCA creates a list of impaired waters in the state that do not meet water quality standards.
Information about the work to clean up the pollution from over 100 years of unregulated development and industrial practices.
Loans of up to $75,000 at zero-percent interest help small businesses purchase equipment to meet or exceed environmental regulations, or to investigate and clean up contaminated sites.
Don't let your septic system freeze. Here are some simple tips that can help you avoid costly problems with your septic system.
Environmental information and resources for the biochar industry.
The MPCA completed 68 enforcement cases for water quality, air quality, hazardous waste, stormwater, and wastewater violations in the first half of 2025.
Facilities that produce air emissions can benefit by proposing limits on their own operations to avoid certain types of regulatory requirements. You might accept limits to stay under emission…
Water quality trades that have been arranged in Minnesota illustrate many opportunities to enhance pollution reduction efforts while offering flexibility and cost savings to regulated municipalities and industries.
Image Although Minnesota is rich in lakes and streams, Lake Superior is easily the most spectacular waterbody in Minnesota. Despite its immense size…
401 Certification process for applying Minnesota water quality standards to federal permitting actions.
How to prepare recycling for the curb
The MPCA investigates sites where hazardous substances have been or could be released to identify risks and appropriate remediation plans.
MPCA's leadership team.
Governor Walz appointed Katrina Kessler as MPCA commissioner effective November 1. Kessler has been serving as an assistant commissioner.
The Soiled Undies exhibit at the Eco Experience at the Minnesota State Fair might look off-putting at first, but it's a good demonstration of the importance of soil health and how healthy soil can help the environment.
Resources for wastewater clients.
A water quality variance is a temporary change in a state's water quality standard for a specific pollutant and its relevant criteria, allowing deviation from meeting a water quality-based effluent limit for a particular discharger.
MPCA recognized 253 municipal and industrial wastewater treatment plants for outstanding operations in 2023.
Certain proposed projects — based on their nature, size, location, or other factors — must go through an environmental review before any required permits or approvals are issued.
For National Farmers Day, a profile of pork and crop farmer Randy Spronk of Edgerton, Minnesota, and his sustainable ag practices.