The MPCA monitors environmental quality, offers technical and financial assistance and enforces environmental regulations in Minnesota. We strive for clean air and water, sustainable lands, a better climate, and a thriving economy

MPCA online services give users online access to apply for permits and licenses, submit required information, and pay fees and invoices.

The MPCA works in many ways to protect and improve Minnesota’s air quality. The MPCA regulates facilities as directed by the Clean Air Act and reviews and issues air permits. We also find creative ways to reduce emissions from the smaller, more …

The MPCA addresses statewide inequities in pollution exposure through its work to ensure that Black, Indigenous, communities of color, and low-income residents enjoy a healthy environment and fair treatment with respect to the development, adoption, and enforcement of environmental laws, regulations, and policies.

Contact the Minnesota Pollution Control Agency by phone or online form. This page includes office locations and options to requests for assistance or report emergencies.

The MPCA's Air Quality Index tool displays the reported AQI for fine particulates (PM2.5) and ozone at monitors located across Minnesota.

Registered Services I want to apply for a permit, sign up for notifications, submit monitoring results, check the status of an application or download a Electronic Signature Submittal Agreement. More Services >>

State and federal permits and regulations that are designed to protect groundwater and surface water (lakes, rivers, streams, and wetlands) apply to specific facilities and processes that could pose harm to our water resources. Water permits usually set limits on a permittee’s “discharges” or the water released to the environment. Wastewater treatment facilities and industrial plants ...

The MPCA cultivates a workplace culture that is of, by, and for all MPCA staff so that employees may bring their authentic selves to work and contribute to protecting and improving the environment and health of all Minnesotans.

The MPCA has additional air toxics that are pollutants of concern in Minnesota’s outdoor air. These pollutants impact human health and the environment. If your facility emits one or any combination of these air pollutants, an air quality permit may be required. Air permitting