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Environmental rules and regulations are essential tools used to protect Minnesota’s environment, setting standards for environmental quality and limits on pollutants that can be discharged from facilities. The MPCA helps protect our environment by writing and enforcing these rules and regulations.
The TMDL is based on 62 impairments for turbidity and total suspended solids along the Minnesota River and its tributaries and in the Greater Blue Earth River basin.
MPCA plans to amend its 20-year old rules governing land treatment of petroleum-contaminated soil.
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.
In karst landscapes, the distinction between groundwater and surface water is blurry.
The MPCA invites the public and manufacturers to provide comments on the reporting and fees rule for products containing PFAS.
St. Paul Brass manufactures brass, bronze, and aluminum castings in the Frogtown neighborhood of Saint Paul, an environmental justice area.
Registration form for service providers operating in Minnesota as a part of the state’s Packaging Waste and Cost Reduction Act.
Data shows that ice cover on Minnesota's lakes doesn't last as long as it used to. That means a shorter ice fishing season, yes, but it also has implications for the environment and Minnesota's fish and wildlife.
Tools and materials for partners and stakeholders interested in minimizing the impact of chloride on Minnesota lakes, rivers, and groundwater.
A watershed is the area of land where all of the water that drains off of it goes into the same place — a river, stream or lake.
The MPCA identified a series of policy recommendations for the optimal management of decommissioned solar panels.
Removing of an old dam and restoring a creek's curves are improving habitat and water quality in the Pomme de Terre River Watershed.
Environmental information and permits that affect businesses that paint, coat, or strip surfaces.
The MPCA has released the draft 2025 Minnesota Nutrient Reduction Strategy for public review and comment.
Information for cannabis growers and processors to understand environmental regulations and permits that may apply to their businesses.
In Minnesota, wastewater treatment operators must be certified to ensure that facilities meet operational requirements.
Feedlot nutrient and manure management
The National Crude Oil Spill Research Site near Bemidji was formed after a pipeline break released 10,000 barrels of crude oil in 1979.
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