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Minnesota is the first state government in U.S. to use this combination of innovative technologies to address "forever chemicals”

MPCA's compliance and enforcement program tracks how well wastewater treatment facilities are complying with their permits and takes enforcement actions when necessary.

Installing an engineNo permit amendments are needed for holders of registration (Options C and D), capped, and general permits (state or Part 70) to install a non-emergency engine, if the total…

Guidance and recommendations for local officials dealing with public health issues related to blue-green algae.

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

Owners/operators of construction activity must complete several steps before completing a permit application and beginning construction. These steps also help owners/operators determine their eligibility for coverage under the general permit.

With 100 days until a law aimed at removing PFAS from consumer products goes into effect, state leaders celebrate three Minnesota-based companies already offering goods made without PFAS.

The MPCA is planning new rules governing air quality. The main purpose is to adopt new rules to implement and govern regulation of facilities that emit air toxics.

The MPCA regulates both underground and aboveground commercial storage tanks above a certain size that hold petroleum or hazardous liquids.

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?

Stakeholders affected by the Minnesota Electronics Recycling Act must be registered with the MPCA.

Lake of the Woods is a big lake with a big problem caused by one of nature’s smallest organisms: algae. Scientists from the MPCA and the Science Museum are working together to understand why.

In its online format, Minnesota's Stormwater Manual offers the latest in stormwater management, including BMPs, models, and regulations.

The MPCA proposes to adopt the U.S. EPA's 2013 national recommended water quality criteria for ammonia as its Class 2 ammonia water quality standards for the protection of aquatic life.

The Minnesota Pollution Control Agency places members with host sites throughout Minnesota each year. Members serve full-time for 11 months (Sept. 2026 through Aug. 20227) at environmental nonprofits, government agencies, and educational institutions.

MPCA collects information about the sale and use of greenhouse gases with high global warming potential.

Minnesota is a national leader in keeping mercury out of the environment.

Chloride is a problem for wastewater facilities and stormwater permittees.

Demonstration/research projects (DRPs) allow permittees to explore potential beneficial uses or new methods of solid waste management through a limited-scale project.

Studies of Minnesota’s waters show that contaminants of emerging concern are widespread in the state’s lakes and rivers.