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Pretreatment by commercial facilities and other non-domestic wastewater sources removes harmful pollutants before the wastewater is discharged to a municipal sewer system. The U.S. EPA has delegated MPCA the authority to approve pretreatment programs at the local level and oversee statewide pretreatment activities.

Water quality trading is a market-based approach to the protection and restoration of surface waters, another tool to be used in conjunction with existing voluntary, regulatory, and financial assistance programs.

Minnesota water infrastructure projects in St. Cloud and Pipestone garner EPA’s top awards for innovation, excellence in protecting environment, health.

A successful cleanup of contaminated land along the Cedar River in Austin caps a long history of industrial pollution.

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

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

Septic system owners are responsible for system maintenance. Properly maintaining a septic system will extend its life.

SSTS staff contact information and areas of responsibility.

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.

Biosolids that will be applied to land must meet strict regulations and quality standards.

The MPCA has announced eight grant recipients that will receive a total of over $1 million in grants for projects focused on waste reduction and reuse. These statewide efforts will reduce greenhouse gas emissions and other pollutants, reduce the demand for resources, and reduce the amount of waste sent to landfills.

Chemicals in the air toxics emission inventory.

The Minnesota Nutrient Reduction Strategy (NRS) compiles the latest science, research, and data and recommends the most effective strategies to reduce nutrients in our waters from both point and nonpoint sources.

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

The MPCA's Petroleum Remediation Program addresses risks to people and the environment from contamination caused by leaking petroleum storage tanks.

Create an editable spreadsheet of details about your facility to make calculations of emissions.

Clean Water Fund dollars come from the Clean Water, Land and Legacy Amendment that Minnesotans approved in 2008.

One of the most basic forms of air pollution, haze reduces visibility in many cities and scenic areas within the United States. Haze-causing pollutants come from a variety of sources, both natural and man-made, including motor vehicles, electricity generation, industrial facilities, agriculture, and wildfires.

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…

Starting Jan. 1, 2025, the first prohibitions of products containing intentionally added PFAS took effect in Minnesota.