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PolyMet Mining plans to develop a mine and processing plant to extract copper, nickel, and precious metals.

1,4-dioxane was mainly used as a stabilizer for chlorinated solvent 1,1,1-trichloroethane. 1,4-dioxane can also be an unintended contaminant in the production of certain products, including some…

Properly trained and certified SSTS personnel are critical. What work duties can local program staff do before becoming certified, and how can that process be expedited?

MPCA sought proposals from qualified responders for a contract conducting a waste characterization study evaluating the types of materials generated and discarded in Minnesota and their relative prominence in Minnesota’s waste streams.

The Minnesota GreenCorps program, coordinated by the MPCA, aims to preserve and protect Minnesota’s environment while training a new generation of environmental professionals.

Healthy land and soil is essential for thriving Minnesota communities. It drives economic development and opportunity, improves our health, and contributes to clean water for drinking and recreation…

The MPCA sought proposals to conduct a bench study to evaluate the effectiveness and potential dosages of soil amendments at the bench scale to support the analysis, decision making, and planning required to implement Remedial Actions for the Precision Plating Superfund Site (SR0000249)

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.

Volunteer-collected data are regularly used in decision-making and conservation efforts. Find a program that excites you and join in.

Industrial stormwater steps to compliance Step 6: Meet requirements

We Are Water MN travels to Stillwater to focus on the St. Croix River, featuring artwork by painter Kami Mendlik.

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.

MPCA has developed a draft wastewater permit for the MagIron LLC facility near Grand Rapids, Minn. The facility will process former natural iron ore mining waste material into high-grade, low-impurity iron ore concentrate at the site and supply electric arc furnace steelmaking.

Minnesota rules allow for specific uses (called beneficial uses) of certain materials that otherwise would be classified as solid waste.

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

Information for larger feedlot owners on the federal National Pollutant Discharge Elimination System (NPDES) and State Disposal System (SDS) permits for construction and operation permits in Minnesota.

Tailings basin piping leaked wastewater and about 11,500 cubic feet of tailings materials over nearly half an acre, including a nearby wetland in May 2023 due to inadequate operation and maintenance of the tailings basin pipeline at the company’s facility in Virginia, Minn.

The MPCA sought proposals from qualified responders to conduct an environmental forensics evaluation using non-targeted analysis techniques for identifying sources of non-aqueous film forming foam (non-AFFF) per- and polyfluoroalkyl substances (PFAS) contamination in water.

Find out what’s being done in Minnesota’s watersheds to protect and improve water quality.

Minnesota samples a network of shallow monitoring wells designed to provide early detection of contamination in the groundwater.