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The AQI was developed to provide a simple, uniform way to report daily air quality conditions.
Minnesota continues to reduce industrial and transportation air pollutants that have the highest potential health risks. Investment in clean air for all Minnesotans is a top priority for the MPCA and Governor Walz.
Forms, guidance, and assistance to apply for an air quality permit.
The MPCA library provides access to the agency's curated collection of environmental information for agency employees, external professionals, and the public.
Technical assistance to small, rural, and Tribal wastewater facilities
The Rapid River watershed covers 573,060 acres in northern Minnesota. Over 79% of the land in the watershed is owned or managed by state entities.
The MPCA is committed to engaging broadly with the public and ensuring that residents affected by its decisions have a voice in its processes.
Through this Minnesota climate smart food systems (CSFS) grant, the MPCA is accepting applications for grants to reduce refrigerant emissions in retail food refrigeration, cold storage, and food assistance programs in Minnesota. Refrigeration projects must include replacing existing equipment to use a natural refrigerant such as carbon dioxide (R-744), ammonia (R-717), and propane (R-290).
The MPCA offered approximately $12.5 million in grant funding for projects that will prevent wasted food from being generated, prevent food from going to waste, or projects that rescue edible food from disposal and redirect it for human consumption in Minnesota.
With the end of the 2025 model year in the automobile industry, so ends Minnesota's Clean Cars rule. The Clean Cars rule, adopted in 2020, had a goal of electric vehicles exceeding 6% of all…
Cleaner water is taking hold across Minnesota this Earth Day as farmers and communities scale up solutions that protect rivers, strengthen soil, and build resilience from headwaters to downstream lakes.
Where possible, permit holders must use MPCA's e-Services to apply for reissuance and administrative amendments.
Facilities that have site-specific state implementation plan (SIP) requirements may make changes to their operations that require changes to either their Administrative Order or Title I SIP…
The MPCA sought contractors to work with Tribal governments and Tribal organizations that serve Tribal governments in Minnesota to provide technical support and assistance to advance environmental and climate action.
Important details to help make your e-Service submittal go as smoothly as possible.
One indicator of impairment that puts a stream on the Impaired Waters List is its macroinvertebrate population. Here's how that works.
Our strategic plan has six broad goals that, when taken together, map our work for five years. MPCA’s strategic plan guides the agency’s work from Jan. 1, 2024, to Dec. 31, 2028. These goals are…
Kathy Wagner, recipient of the 2025 Community Conservationist Award from the Minnesota Pollution Control Agency (MPCA) and Minnesota Association of Soil and Water Conservation Districts (MASWCD), discusses her personal conservation work and local environmental advocacy.
Elk River Landfill, Inc. proposes to expand its existing municipal solid waste (MSW) landfill near Elk River.
States are responsible for developing a Regional Haze State Implementation Plan (SIP) that addresses regional haze in each Class I area located within the state and in each Class I area located…