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Findings underscore need to reduce use of “forever chemicals”

Complying with the MS4 general permit

The northeast region of Minnesota is home to the state’s metallic mining industry. The "Iron Range" has a history of iron ore (“ferrous”) mining dating back to the late 1800s and includes the large…

Minnesota has revised state water quality standards to incorporate a tiered aquatic life use (TALU) framework for rivers and streams.

Water quality trading is a market-based approach to the protection and restoration of surface waters, another tool to be used in conjunction with existing voluntary, regulatory, and financial assistance programs.

The new commercial organics collection will service a 20- to 30-stop route across both Hubbard and Beltrami counties.

Green and safer product chemistry is formulating or designing a new product (or reformulating an existing one) to reduce harmful environmental, workplace, human health, and energy use effects over the product's entire life cycle.

Environmental information and permits that affect metal fabrication and finishing businesses.

Residents' guide to stormwater permitting.

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.

Volatile organic compounds (VOCs) are a group of chemicals that can vaporize into air. VOCs are in thousands of daily use products, including paint, varnish, wax, and various cleaning, degreasing,…

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

A watershed is the area of land where all of the water that drains off of it goes into the same place — a river, stream or lake.

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

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.

Determine if your facility requires an air permit and, if so, which permit type may be the best fit for your business.

The MPCA completed 68 enforcement cases for water quality, air quality, hazardous waste, stormwater, and wastewater violations in the first half of 2025.

3M will use an advanced wastewater treatment system to remove per- and polyfluoroalkyl substances (PFAS) from its Chemical Operations facility in Cottage Grove.

Air sensors are instruments that measure air quality conditions in near real time.

Environmental information and resources for the biochar industry.