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In Minnesota, wastewater treatment operators must be certified to ensure that facilities meet operational requirements.

Protecting and restoring water quality is one of the MPCA's core areas of focus.

Financing is available for public entities in Minnesota to expand or improve stormwater infrastructure.

Trichloroethylene and perchloroethylene have contaminated groundwater and caused vapor intrusion issues at this site.

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

Create an editable spreadsheet of details about your facility to make calculations of emissions.

Chloride is a problem for wastewater facilities and stormwater permittees.

Underground storage tank (UST) facilities must designate owners, operators, or employees as Class A, Class B, and Class C operators.

Join the Cooperative Purchasing Venture (CPV)Through the Cooperative Purchasing Venture (CPV), eligible entities can purchase goods, certain services and utilities from contracts established for…

Solid waste facilities may close or terminate their permit depending on the solid waste activities occurring at the site.

MPCA studies shows 75% of Minnesota lakes meet standards for recreation. Clean Water Fund dollars help answer water quality questions.

Learn what you can do to protect yourself and your community from environmental problems caused by flooding.

A training and certification program for evaluating aquatic life in Minnesota’s 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.

In most of Minnesota’s livestock-dense counties, feedlot oversight is a cooperative effort between the MPCA and county government.

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…

Where possible, permit holders must use MPCA's e-Services to apply for reissuance and administrative amendments.

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

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.

The MPCA completed 75 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2024.