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In Minnesota, certain tasks in the design, installation, repair, maintenance, operation, or inspection of septic systems can only be done by certified individuals. Find out what training, experience, and exams are required to fulfill the requirements for certification.

The MPCA must complete assessments to gather critical information too inform the development of the EPR program statewide.

Guidance for small businesses on reporting air emissions.

The Mississippi River - Sartell Watershed covers approximately 652,800 acres (1,020 sq. miles) in the central part of the Upper Mississippi River Basin. The watershed includes parts of Benton, Crow Wing, Mille Lacs, Morrison, Stearns, and Todd counties.

The National Crude Oil Spill Research Site near Bemidji was formed after a pipeline break released 10,000 barrels of crude oil in 1979.

The Mississippi River - St. Cloud Watershed covers 691,200 acres (1,080 square miles) in the south-central part of the Upper Mississippi River Basin. The watershed includes all or parts of the counties of Benton, Meeker, Mille Lacs, Morrison, Sherburne, Stearns, and Wright.

Warming temperatures and increased rains caused by climate change continue to have real impacts on farms across Minnesota. Our agriculture industry will also play an important role in reducing the amount climate change causing pollution we produce as a state.

Kohlman Lake, one of 27 bodies of water to come off the impaired waters list this year, did so with substantial help from the Clean Water Fund.

As part of the MN Cup competition, MPCA offers a Sustainable Chemistry Prize of $10,000 to technologies and products that were designed using one or more green chemistry principles or that demonstrate safer or more sustainable chemistry than those already on the market.

Licensing and certification requirements for SSTS businesses and professionals.

The MPCA offers environmental audits to help businesses and organizations examine how well they are complying with environmental regulations, and correct any problems that are identified.

Use these checklists to speed review and approval of wastewater design documents

The 2026 Climate Action Framework prioritizes reducing greenhouse gas emissions and protecting Minnesotans

The MPCA’s Smart Salting program helps cut down on chloride pollution by training snowplow drivers and municipalities to use less salt on the roadways.

The Duluth Urban Area Watershed is a focused geographic area designed to recognize the complexity and challenges in an urban center with a water-rich environment. It is defined by a series of small watersheds that are portions of three major watersheds.

Businesses face challenges from climate change's impacts, but they can also take steps to reduce their contributions to climate change.

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

Canby Creek now flows into Del Clark Lake and protects Canby from flooding, while providing outdoor recreation and excellent water quality.

The MPCA Brownfield Program is a fee-for-service program that provides assistance to promote the investigation, cleanup, and redevelopment of property that is contaminated with petroleum and hazardous substances.

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