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In October 2023, New Ulm Steel failed a noise test at its facility. New Ulm Steel was also fined for dust escaping the facility and settling on a public road.

Across the state, water softeners contribute significantly to chloride pollution. Here’s how to make sure your water softener isn’t sending excess salt into the environment

The Minnesota GreenCorps program, coordinated by the MPCA, aims to preserve and protect Minnesota’s environment while training a new generation of environmental professionals.

Pesticide NPDES Permit Steps to Compliance Step 2: submit a notice of intent

The MPCA completed 78 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2025, for a total of 146 for the year.

The Small Business Ombudsman is an independent entity responsible for reviewing environmental regulatory activities to ensure that they are fair, reasonable and appropriate for Minnesota's small businesses that have to comply with environmental regulations.

Minnesota rules allow for specific uses (called beneficial uses) of certain materials that otherwise would be classified as solid waste.

Certain types of permits and approvals to conduct solid waste activities require a notification to the MPCA of the intent to perform the specified solid waste activity.

Details on major and minor modifications of a solid waste management facility permit.

The Leech Lake Band of Ojibwe has hosted five MN GreenCorps members to help install solar panels and electric vehicle charges, promote food sovereignty, and more.

401 Certification process for applying Minnesota water quality standards to federal permitting actions.

MPCA completed 100 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the first half of 2024

Three members of MN GreenCorps worked through the Minneapolis Public Schools' free meal box program to promote waste reduction and recycling.

Climate adaptation identifies strategies and actions that help human and natural systems cope with and become more resilient to the impacts of climate change.

The MPCA closed 118 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2023.

In addition to the vessel requirements in the EPA VGP and Minnesota’s ballast water general permit, vessels must follow the requirements in Minnesota Statutes and Minnesota’s 401 certification of the VGP.

MPCA plans to amend existing Minnesota Rules governing permits and solid waste landfills (chapters 7001 and 7035).

The Meadows Mobile Home Park discharged untreated sewage to the ground in two separate violations in 2025.

Volunteers can search for a lake or stream site that works for them and sign up to monitor it.

MPCA's fish sampling process and why we do it