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Instructions for preparing for and completing the online exam for underground storage tank operator certification.
Minnesota law requires that people notify the MPCA (through the Minnesota Duty Officer) immediately when more than five gallons of petroleum or any amount of any substance under their control is released into the environment that could cause pollution of waters of the state.
Failed to obtain a construction stormwater permit prior to beginning construction and allowed sediment to discharge to wetlands as they built The Meadows housing development in Otsego, Minnesota.
From 2023-2025, Northshore Mining released recycled water to the ground seven times and water relating to mining processes four times. Its largest unpermitted release was nearly 400,000 gallons of recycled water. Northshore Mining has documented equipment failure as the reason for the 11 releases.
The MPCA is planning a new rule governing waste, adopting new rules to implement and govern regulation of the Packaging Waste and Cost Reduction Act.
Minnesota’s Digital Fair Repair Act went into effect July 1. Here’s why it matters and how you can use it to save money and the environment
Each year, Minnesotans throw away more than 850,000 tons of recyclables, worth around $153 million. Here's how we're reducing those numbers in Greater Minnesota.
To commemorate the 2023 fish sampling season, Martha Young enlisted her mother to create a piece of seed art that will go on display at the 2024 Eco Experience
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.
Septic system owners are responsible for system maintenance. Properly maintaining a septic system will extend its life.
The MPCA has adopted amended rules relating to when maintenance of a closed landfill should end.
The Upper Iowa River is a 156-mile-long tributary of the Mississippi River that rises in Mower County in southeastern Minnesota near the Iowa border. It then flows south through three Iowa counties before flowing into the Mississippi. It drains nearly 641,000 acres (1,005 square miles).
Answers to questions frequently asked by municipalities about management of contaminated sediments in stormwater collection systems that they own and operate.
The Little Sioux River Watershed covers more than 1.8 million acres in southwestern Minnesota. Its small prairie streams flow through the southern portions of Nobles and Jackson counties and into Iowa.
MPCA rules govern how septic systems are designed, installed, and managed in Minnesota.
MPCA guidance for evaluating when closed landfills may exit the postclosure care phase.
Privacy rightsSeveral federal and state laws protect your privacy rights regarding the information the MPCA has about you. At times, an MPCA staff member may ask you to provide information about…
In 2009, a federal court ruled that NPDES permits were required for all biological and chemical pesticide applications that leave a residue in water when applications are made in, over, or near waters of the United States.
SSTS work in Minnesota must be completed by licensed businesses under the supervision of certified individuals.
Apply for funds to help assess sites with known or suspected contamination and develop remediation plans.