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MPCA wastewater staff assigned by county.

Ground-level ozone is a secondary pollutant formed through chemical reactions between nitrogen oxides (NOx) and volatile organic compounds (VOCs). Ozone can irritate the eyes, nose and throat,…

The Lake Allie wastewater treatment facility will pay more than $13,000 in fines and follow a corrective action plan for violating its wastewater permit in Buffalo Lake, Minn.

To help you quickly determine whether this permit affects you, what your requirements are, and what to do next, the MPCA has developed an Applicability flow chart

Green Plains Fairmont, LLC paid $14,175 for an ethanol spill that lasted four days and contaminated groundwater.

Minnesota’s biosolids PFAS strategy requires all biosolids intended for land application be tested for PFAS before use and response actions based on sample results.

Per- and polyfluoroalkyl substances (PFAS) are a group of thousands of human-made chemicals that do not break down over time. PFAS are sometimes called “forever chemicals” due to their extreme…

Organizations that want to reuse materials in ways not classified as standing beneficial uses must apply to the MPCA for a case specific beneficial use.

The Nemadji River Watershed spans the Minnesota-Wisconsin border and covers nearly 1.2 million acres.

Grede Foundry violated the terms of its air permit in 2024, according to a Minnesota Pollution Control Agency investigation.

Step 3: Requirements for pesticide dischargers

The Minnesota Pollution Control Agency (MPCA) requests public comment on a rule that will shape nation-leading restrictions on the use of per- and polyfluoroalkyl substances (PFAS).

Nitrogen dioxide (NO2) is one of a group of highly reactive gases known as nitrogen oxides. NO2 reacts with other chemicals in the air to form other pollutants, such as ozone, particulate matter,…

Permit applications must include detailed emissions calculations to help determine which permit type or permit amendment is needed.

General permit intended for facilities using processes including abrasive blasting, brazing, catalytic or thermal oxidizers, dip tanks, injection molding, resin and gel coating, spraying and coating activities, and welding.

Located in south-central Minnesota, the Le Sueur River flows 111 miles through a gently rolling landscape, most of it farmland, until it cuts down through high bluffs to the Blue Earth River.

Part 70 Reissuance application formsStarting July 1, 2020, Individual permit holders must use MPCA's e-Services to apply for air permit reissuance.Paper reissuance applications will only be accepted…

MPCA's leadership team.

The MPCA invites public comment on its draft environmental impact statement (EIS) for a new municipal solid waste landfill that Dem-Con has proposed at its environmental campus near Shakopee.

Guidance for small businesses on reporting air emissions.