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Graphic timeline that outlines how the permitting process and environmental review process progress simultaneously.
Riverview LLP is seeking to expand its existing West River Dairy facility near Morris from 7,855 cows to a total capacity of 18,855 cows.
Minnesota rules allow for specific uses (called beneficial uses) of certain materials that otherwise would be classified as solid waste.
Biosolids that will be applied to land must meet strict regulations and quality standards.
The MPCA is proposing to amend Minnesota Rules governing animal feedlots.
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.
Privacy rightsSeveral federal and state laws protect your privacy rights regarding the information the MPCA has about you. At times, an MPCA staff member may ask you to provide information about…
Industrial Finishing Inc. violated several water quality permit conditions relating to required sampling, training, reporting and inspections at its industrial equipment coating and finishing facility in Deer Creek, Minn.
Central Specialties Inc., based in Alexandria, violated several air permit conditions between 2021 and 2023 for its mobile hot-mix asphalt facility stationed at various locations around the state. Violations included failing to properly maintain pollution control equipment and inadequate recordkeeping and reporting.
The MPCA studies Minnesota's solid waste composition and processes to inform policy recommendations, legislative proposals, education and outreach messages, and waste reduction efforts.
Permit applications must include detailed emissions calculations to help determine which permit type or permit amendment is needed.
MPCA rules govern how septic systems are designed, installed, and managed in Minnesota.
Protecting and restoring water quality is one of the MPCA's core areas of focus.
The Clearwater River Watershed drains an area of 886,600 acres in the Red River of the North basin. The river flows to the northwest and southwest, eventually emptying into Red Lake River near Red Lake Falls.
The MPCA's Petroleum Remediation Program addresses risks to people and the environment from contamination caused by leaking petroleum storage tanks.
Ready-to-run meteorological data suitable for AERMOD.
Minnesotans are encouraged to share feedback through Nov. 9, 2025
Minnesota is a national leader in keeping mercury out of the environment.
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.
Instructions for preparing for and completing the online exam for underground storage tank operator certification.