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The Watershed Pollutant Load Monitoring Network (WPLMN) is a partnership that collects data on water quality and flow in Minnesota.
Industrial Stormwater Steps to Compliance - Step 3: Facilities requiring permit coverage must assess for pollutants at the facility
Tools to help small businesses determine if they need an air emissions permit and/or track compliance with their current air emissions permit.
The MPCA is seeking public comment on a draft wastewater permit and accompanying environmental assessment worksheet (EAW) for a new regional sanitary district to serve the communities of Goodhue, Wanamingo, Zumbrota, and Pine Island.
A gateway to common regulatory information that affects stationary engines.
The MPCA is working to address environmental concerns at the closed Freeway Landfill, to prevent the buried waste from affecting drinking water and the nearby Minnesota River.
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
State and community leaders visited Faribault and Northfield to observe Minnesota climate resiliency efforts in action.
Systems to treat drinking water have been installed to address groundwater contamination in two St. Louis Park and three Edina municipal wells.
East Central Solid Waste Commission (ECSWC) proposes to add 1.7 million cubic yards of MSW capacity to their landfill near Mora, Minnesota, which requires an environmental impact statement.
We have some suggestions for avoiding disposable items, excessive packaging, and single-use plastics when shopping for your everyday needs.
The 2025 MPCA annual report on Brownfields celebrated numerous major achievements cleaning up and rehabilitating polluted properties.
Businesses like grocery, liquor, and convenience stores depend on refrigeration systems. Some of these systems, however, can prove expensive to operate and harmful to the environment.
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.
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.
Most AST systems that contain liquid capable of polluting the waters of the state are subject to state rules and permits.
Water scientists from the MPCA published four watershed reports in 2025, updating the data we need to keep Minnesota’s waters clean and protected.
Complying with the MS4 general permit
The MPCA sought applications from contractors to partner with auto repair shops, dealerships, tech colleges or other entities to identify and fix high-emitting vehicles.
When temperatures climb and the summer sun beats down, conditions are ripe for Minnesota lakes to produce harmful algae blooms, some of which can be harmful to pets and humans.