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U.S. Steel Corp. operates the Minntac Taconite processing facility near the city of Mountain Iron, where it produces taconite pellets that are shipped for use at steel mills. U.S. Steel has applied for a reissued air permit so it can replace existing emissions controls in its pellet plant with cartridge filters.
First of a series of MPCA staff profiles. Kevin Stroom conducts research on streams and has published a report about Straight River.
Industrial Stormwater Steps to Compliance Step 4: Create SWPPP, choose BMPs
One of 12 major watersheds of the Minnesota River Basin, the Watonwan River Watershed covers 878 square miles in south-central Minnesota.
Thirty TMDLs undertaken in the Mississippi River - Twin Cities Watershed to address excess nutrients, turbidity, bacteria, and more.
MPCA had approximately $250,000 available to reduce emissions of volatile organic compounds (VOCs) through the use of stage 1 vapor recovery systems at gasoline-dispensing facilities throughout Minnesota.
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.
Information for cannabis growers and processors to understand environmental regulations and permits that may apply to their businesses.
Answers to questions frequently asked by municipalities about management of contaminated sediments in stormwater collection systems that they own and operate.
The amount of hazardous waste you generate will dictate your waste generator status.
Find sustainable products for your business with these helpful certification and labeling systems.
Instructions for preparing for and completing the online exam for underground storage tank operator certification.
Researchers collect samples of sediment from the bottom of Lake of the Woods in 2024. (Photo courtesy of St. Croix Watershed Research Station) After years of study…
Application forms and instructions for applying for wastewater permits.
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.
Minnesota is a national leader in ensuring healthy air quality. The Clean Air Act requires states to take significant responsibility for preventing and controlling air pollution. States must pass…
Nitrogen, like phosphorus, is a nutrient that pollutes in state waters, and its concentration in many rivers has been increasing from historic natural levels over time due to human influences.…
Through a certificate of need process, MPCA is offering existing landfills the opportunity to expand their existing capacity.
The MPCA has announced 13 grant recipients that will receive a total of nearly $4.8 million for projects that will keep good food from going to waste in Minnesota while diverting usable food to people in need.
The MPCA's chloride reduction program assists communities and organizations across Minnesota in identifying sources of chloride.