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Environmental information and permits that affect businesses using stationary engines or generators.
Application forms and instructions for applying for wastewater permits.
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.
Volunteer-collected data are regularly used in decision-making and conservation efforts. Find a program that excites you and join in.
Apply for the 2025-2026 Minnesota GreenCorps program and spend a year working on environmental issues and making a difference in communities around the state.
The 2025 MPCA annual report on Brownfields celebrated numerous major achievements cleaning up and rehabilitating polluted properties.
Some facilities may have air emissions low enough to qualify as "insignificant," and not be required to have an air permit.
The MPCA and its many partners collect a wide variety of data on environmental conditions and pollution sources.
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.
Complaints of discrimination will be investigated
The St. Louis River Mercury TMDL will determine mercury reductions needed for lakes and rivers in the St. Louis River watershed.
There are two types of federal air regulations, the National Emission Standards for Hazardous Air Pollutants (NESHAPs) and New Source Performance Standards (NSPSs). Either or both regulations may…
Environmental information and permits that affect grain elevators, feed mills and fertilizer mixing plants.
Ask the MPCA features questions Minnesotans have asked us, on the issues the agency works on, from waste disposal, water and air quality, and chemicals in products to recycling and reuse,…
It's Septic Smart Week and Minnesota local governments are reporting significant progress in fixing inadequate septic systems around the state.
A gateway to common regulatory information that affects stationary engines.
Reducing campus discards and raising awareness of sustainability through outreach and community engagement
Tools to help small businesses determine if they need an air emissions permit and/or track compliance with their current air emissions permit.
Vapor intrusion occurs when chemical vapors migrate from contaminated groundwater through the soil into the basements or foundations of buildings.
Certain types of permits and approvals to conduct solid waste activities require a notification to the MPCA of the intent to perform the specified solid waste activity.