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Northshore Mining Company has applied for updated wastewater and air quality permits for its Silver Bay taconite processing plant and Mile Post 7 tailings basin.

Healthy recycling markets divert materials from the waste stream, convert the materials into commodities, and supply them to manufacturers for the production of new products. The businesses that…

When temperatures climb and the summer sun beats down, conditions are ripe for Minnesota lakes to produce harmful algae blooms, some of which can be harmful to pets and humans.

The MPCA amended Minnesota Rules relating to the grant application process for the solid waste management capital assistance program.

The MPCA's regulatory, cleanup, and monitoring programs create and maintain spatial data that serve our environmental protection work and can be shared with partners and researchers.

A new $75,000 grant from the MPCA will help the U of M’s Forever Green Initiative make camelina a viable crop for sustainable aviation fuel.

Vapor intrusion occurs when chemical vapors migrate from contaminated groundwater through the soil into the basements or foundations of buildings.

Instructions for preparing for and completing the online exam for underground storage tank operator certification.

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

A water quality variance is a temporary change in a state's water quality standard for a specific pollutant and its relevant criteria, allowing deviation from meeting a water quality-based effluent limit for a particular discharger.

Study funded by the $850 million settlement that Minnesota reached with 3M in 2018  focused on the area served by the Valley Branch Watershed District’s Project 1007 rainwater conveyance system in the East Metro.

While hundreds of fish kills occur in Minnesota every year, mostly in lakes and ponds, fish kills on trout streams in southeast Minnesota are much less common.

Wastewater treatment and disposal are important for protecting and preserving Minnesota's water resources. MPCA regulates wastewater treatment activities in Minnesota.

Question and answer session with Addison Otto, a rule coordinator with the MPCA, about her work with the agency and how her hobby farm informs her work.

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

Water softeners produce much of the chloride that pollutes Minnesota’s waters. An MPCA grant aims to reduce that pollution with water softener replacement rebate programs.

Resources for recycling market development

Certain proposed projects — based on their nature, size, location, or other factors — must go through an environmental review before any required permits or approvals are issued.

MPCA is planning new rules governing air quality, establishing new rules for odor management plan requirements.

Every two years, MPCA creates a list of impaired waters in the state that do not meet water quality standards.