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While hundreds of fish kills occur in Minnesota every year, mostly in lakes and ponds, fish kills on trout streams in southeast Minnesota are much less common.

The triennial standards review (TSR) gives the public a formal opportunity to provide wide-ranging comments about water quality standards.

Installing an engineNo permit amendments are needed for holders of registration (Options C and D), capped, and general permits (state or Part 70) to install a non-emergency engine, if the total…

Does it seems like the number of alerts due to wildfires has increased in the past few years? We’ve had 46 air-quality alerts since 2015—34 of those due to wildfire smoke.

Nearly nine in 10 Minnesota communities have reported experiencing the impact of at least one weather trend caused by climate change, and few cities have defined plans to address it.

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

Thanks to years of restoration efforts, the MPCA confirmed the Kabekona River meets water quality standards for recreation and proposed its removal from the 2026 impaired waters list.

MPCA issues coverage to construction site owners and their operators to prevent stormwater pollution during and after construction, and protect Minnesota's water resources.

An air emission permit is a legal document that describes how a facility must operate to meet state and federal air regulations, and to minimize the impact of air emissions on people and the…

A TMDL to address E. coli aquatic recreation impairments in five main-stem reaches of the Minnesota River.

Projects to prioritize environmental justice areas

CAP provides financial and technical assistance to local governments to encourage investment in the proper management of solid waste.

New Resource Management Report explores how Minnesota could greatly reduce landfill disposal by 2045 through policy changes, major system investments, and performance from emerging technologies.

MPCA is planning new rules governing how the MPCA determines currently unavoidable uses of per- and polyfluoroalkyl substances (PFAS) in products.

Image Climate change continues to have a destructive impact on Minnesota’s infrastructure, presenting a direct threat to our homes, businesses, roads…

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…

An individual solid waste permit is tailored to a specific solid waste facility or activity.

Guidance for MPCA contractor and subcontractors

Find out what’s being done in Minnesota’s watersheds to protect and improve water quality.

MPCA permits are required to both build and operate landfills in Minnesota.