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The Minnesota River - Mankato Watershed covers 861,886 acres across Cottonwood, Brown, Redwood, Renville, Sibley, Nicollet, Blue Earth, and Le Sueur counties in south-central Minnesota.

An electronics collector is a public or private entity that receives electronic devices from households and arranges for the delivery of the devices to a recycler. In Minnesota, electronics…

The capped emission permit is designed for non-complex facilities that do not require site-specific permit conditions.

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.

The MPCA fined Cabinetworks Group’s Waconia facility, Wood Products, $11,520 for violations of its air permit.

The Clean Water Council was created to advise the Legislature and the governor on the administration and implementation of the 2006 Clean Water Legacy Act

The MPCA is collaborating with many federal, Tribal, state, and local partners to clean up contaminated sites in the Duluth harbor and St. Louis River.

The MPCA's new online training will help small businesses adapt to the effects of climate change and become more resilient.

Initial screening information for a contaminant of emerging concern, beta-sitosterol.

It's Septic Smart Week and Minnesota local governments are reporting significant progress in fixing inadequate septic systems around the state.

The Upper Iowa River is a 156-mile-long tributary of the Mississippi River that rises in Mower County in southeastern Minnesota near the Iowa border. It then flows south through three Iowa counties before flowing into the Mississippi. It drains nearly 641,000 acres (1,005 square miles).

The MPCA proposes adding 46 new impaired bodies of water and removing 45 impairments from bodies of water from the IWL, the most removals in a two-year cycle since the state began the IWL program in 1992.

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.

The Thief River begins its course in Marshall County at Thief Lake, flowing south/southwest to converge with the Red Lake River.

Southeastern Minnesota is characterized by an unusual type of geography called karst, where the distinction between groundwater and surface water is blurry.

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

Industrial Stormwater Steps to Compliance Step 4: Create SWPPP, choose BMPs

MPCA collects information about the sale and use of greenhouse gases with high global warming potential.

Northern Iron operates an iron foundry in an environmental justice area in Saint Paul's Payne-Phalen neighborhood.

Minnesotans are encouraged to share feedback through Nov. 9, 2025