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Technical assistance to small, rural, and Tribal wastewater facilities

Answers to common questions about the Construction Stormwater Permit application

Solving the problem of oversalted sidewalks is elementary!

Significant restoration work by organizations in the area have made the south branch of the Buffalo River a water-quality success story.

In addition to the vessel requirements in the EPA VGP and Minnesota’s ballast water general permit, vessels must follow the requirements in Minnesota Statutes and Minnesota’s 401 certification of the VGP.

The MPCA offers environmental audits to help businesses and organizations examine how well they are complying with environmental regulations, and correct any problems that are identified.

State will begin engagement next month on an updated framework set to be released in 2025

A project to address high levels of suspended sediment in the Minnesota River and the South Metro portion of the Mississippi River.

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.…

From the days when raw sewage flowed into rivers and lakes, Minnesota’s water bodies have come a long way. However, there is still work to be done in the restoration and protection of our waters.

Answers to questions frequently asked by municipalities about management of contaminated sediments in stormwater collection systems that they own and operate.

In rules, an incorporation by reference states that the contents of another document are part of the rule, even though the text of the referenced document does not appear in the rule itself.

Environmental Assessment Worksheets (EAW) and Environmental Impact Statements (EIS) are part of MPCA's environmental review, providing a standardized and public process to disclose information about the potential negative environmental effects of a proposed development and ways to avoid or minimize them before the project is permitted and built.

Resources for wastewater clients.

Projects to prioritize environmental justice areas

The city of Duluth will pay a $12,000 fine and spend $190,000 in compensation for a 2024 incident that led to a fish kill in Tischer Creek.

The MPCA has initiated a declaratory judgement action against the owners of the Freeway Landfill and Freeway Dump in Burnsville to protect the drinking water supply for Burnsville and Savage residents.

The MPCA has begun work to implement a groundbreaking new law to remedy Minnesotans’ disproportionate exposure to pollutants.

In Minnesota, about 18,000 regulated underground storage tanks (UST) are in use. State rules specify requirements for underground storage tanks (UST) that store petroleum or hazardous substances, and any piping or other structures that are part of the tank systems.

Mercury is a naturally occurring element that is toxic to humans and animals. At room temperature, mercury is a silvery, liquid metal, but it can also evaporate and become airborne. Mercury does not…