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Under the federal Clean Water Act, states must designate beneficial uses for all waters and develop water quality standards to protect each use.
MPCA's compliance and enforcement program tracks how well wastewater treatment facilities are complying with their permits and takes enforcement actions when necessary.
Clean Water Fund dollars come from the Clean Water, Land and Legacy Amendment that Minnesotans approved in 2008.
The Clean Water Act established the framework for creating water quality standards and continues to help us protect Minnesota's prized lakes and rivers.
EPA awards Minnesota $200 million in Climate Pollution Reduction Grants
Guidance for submitting data to MPCA Remediation Division programs: Superfund, Site Assessment, Petroleum Remediation, Brownfields, RCRA Remediation, Closed Landfill, and Integrated Remediation.
Francesca Crego, or Frannie, fondly recalls bike rides along the Mississippi River’s edge with her family. Growing up in the city, Frannie appreciated the feeling of mysticality brought by the river’…
Improving water quality in Lake George has required treating phosphorus in the water and filtering pollutants out of urban stormwater.
Clean heavy-duty off-road equipment grants fund the replacement of older, more polluting diesel equipment with newer, cleaner technology.
The MPCA proposes to adopt the U.S. EPA's 2013 national recommended water quality criteria for ammonia as its Class 2 ammonia water quality standards for the protection of aquatic life.
Proposed changes to permits that regulate the state’s largest animal feedlots target nitrate pollution statewide.
The MPCA is committed to engaging broadly with the public and ensuring that residents affected by its decisions have a voice in its processes.
Long-term lake management considers the unique environmental, cultural, and biological factors affecting the lake and sets a priority on finding lasting solutions.
Licensing and certification requirements for SSTS businesses and professionals.
Environmental information and resources for the aggregate industry.
MPCA seeks public comment on two draft industrial wastewater permits for U.S. Steel Corp.’s Keetac mining area and tailings basin in Keewatin, Minnesota. These permits will improve protections for wild rice waters and human health.
From January through March 2025, MPCA air monitoring data showed elevated lead levels that exceeded national ambient air quality standards near the facility. An MPCA inspection of Gopher Resource in spring 2025 confirmed that the source of the elevated lead levels was addressed.
Going beyond compliance yields benefits like cost savings, improved health, greater efficiency, marketing advantages, enhanced employee morale, and stronger business resilience.
The MPCA investigates sites where hazardous substances have been or could be released to identify risks and appropriate remediation plans.
The We Are Water MN exhibit at Art in Motion on the Lake Wobegon Trail in Holdingford runs from April 25 through June 17.