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Controlling phosphorus is an important part of protecting Minnesota waters.

Increasing organics collection and processing infrastructure is necessary to meet statewide recycling goals

The kind of permit a facility needs depends on how much air pollution the facility could emit based on its equipment or processes.

The We Are Water MN exhibit at Art in Motion on the Lake Wobegon Trail in Holdingford runs from April 25 through June 17.

Proposed changes to permits that regulate the state’s largest animal feedlots target nitrate pollution statewide.

The MPCA is planning new rules governing air quality. The main purpose is to adopt new rules to implement and govern regulation of facilities that emit air toxics.

The MPCA plans to amend water quality standards (Minn. Rules chapter 7050) affecting Class 2 beneficial uses, which protect surface waters for aquatic life and recreation.

Join the celebration! We look forward to highlighting Minnesota’s clean water successes and invite you to use our 50th anniversary art and branded graphics.

State experts anticipate an active summer for air quality alerts with recurring ozone and wildfire smoke events

The MPCA provides workshops and conferences to help solid waste landfill operators get certified and stay up to date.

Minnesota has a new law that prohibits nonessential use of per- and polyfluoroalkyl substances (PFAS).

Chemicals in the air toxics emission inventory.

In 2010, the MPCA began receiving public inquiries about projects to mine silica sand for use in hydraulic fracturing, or “fracking,” a drilling method used for natural gas and oil wells.

Chloride is a problem for wastewater facilities and stormwater permittees.

Underground storage tank (UST) facilities must designate owners, operators, or employees as Class A, Class B, and Class C operators.

Volunteer-collected data are regularly used in decision-making and conservation efforts. Find a program that excites you and join in.

Projects will reduce the amount of waste entering landfills, benefiting the environment and local economies.

The 2025 MPCA annual report on Brownfields celebrated numerous major achievements cleaning up and rehabilitating polluted properties.

PFAS are persistent and problematic chemicals that are found throughout the environment and not just in areas where large quantities have been manufactured, disposed of, or spilled. PFAS are…

In most of Minnesota’s livestock-dense counties, feedlot oversight is a cooperative effort between the MPCA and county government.