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Across the state, water softeners contribute significantly to chloride pollution. Here’s how to make sure your water softener isn’t sending excess salt into the environment

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

Minnesota's strategic, coordinated approach to protecting families and communities from per- and polyfluoroalkyl substances.

Determine what type(s) of water quality permit is required at facilities that mine construction sand and gravel; industrial sand; quarry limestone, granite or dimension stone; operate hot mix asphalt production areas; produce concrete block, brick and other products; and/or produce ready-mix concrete.

Certain types of permits and approvals to conduct solid waste activities require a notification to the MPCA of the intent to perform the specified solid waste activity.

The Metropolitan Council proposes adding a fourth wastewater incinerator which requires an amendment to the facility’s current air emissions permit.

Facilities that have site-specific state implementation plan (SIP) requirements may make changes to their operations that require changes to either their Administrative Order or Title I SIP…

Bins and containers play a crucial role in your recycling program. Using consistent labels and bins will help to increase participation and decrease contamination. Put recycling bins next to every…

Wood waste from trees in the Twin Cities and other urban areas in Minnesota is a growing problem and highlights the need for more efforts to make use of this urban wood.

Licensing and permitsCannabis businesses in Minnesota require a state license for their specific operation (micro-business, processor, retailer, etc.) from the Office of Cannabis Management. The…

Answers to frequently asked questions about compliance and MPCA's enforcement of environmental rules in Minnesota.

New major-emitting industrial facilities and major modifications of existing facilities must obtain a permit before construction and include the best pollution-control technology available if they significantly increase emissions.

MPCA permits are required for construction, modification, and operation of facilities where solid waste is treated, stored, processed, transferred, or disposed.

Learn what you can do to protect yourself and your community from environmental problems caused by flooding.

Less than three years after Minnesota passed the country's first ban on TCE, a carcinogenic solvent, facilities around the state have removed it from their processes.

Initial screening information for a contaminant of emerging concern, triclocarban.

Salt is commonly over-applied, sending too much chloride into our waterways and wreaking havoc on fish and other wildlife.

Distribution media include both public domain products like aggregate or drainfield rocks, and proprietary products like expanded polystyrene aggregate and chambers.

Mankato nonprofit South Central Minnesota Food Recovery used MPCA grant money to build out a network to save food from the landfill and distribute it to people in need.

Pesticide NPDES permit steps to compliance Step 4: Report adverse pesticide incidents