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The Minnesota Retiree Environmental Technical Assistance Program (RETAP) employs skilled, retired professionals to provide facility assessments to small businesses, institutions, and city and county governments in Minnesota.

MPCA's Closed Landfill Program is a voluntary program established in 1994 to properly close, monitor, and maintain Minnesota's closed municipal sanitary landfills.

Many industrial by-products are good candidates for land application based on their nutrient content.

MPCA's leadership team.

Central Bi-Products emitted higher levels of hydrogen sulfide than is allowed, causing odor complaints in the community of Long Prairie and resulting in a $3 million fine. Central Bi-Products has agreed to spend a minimum of $4.4 million on a supplemental environmental project that will improve its wastewater treatment.

PolyMet Mining plans to develop a mine and processing plant to extract copper, nickel, and precious metals.

Create an editable spreadsheet with the information indicated below. Each step in your calculations needs to be clear and easy to follow.Facility informationProvide the facility information listed on…

Environmental information and permits that affect businesses using boilers.

As part of the PFAS pollution prevention law called Amara’s Law, manufacturers are required to report intentionally added PFAS in products sold in Minnesota and pay a fee. The Minnesota Pollution Control Agency has extended the reporting due date to Sept. 15, 2026.

Industrial stormwater steps to compliance Step 6: Meet requirements

MPCA issues coverage to construction site owners and their operators to prevent stormwater pollution during and after construction, and protect Minnesota's water resources.

MPCA keeps its public data easily accessible for convenient use.

Some facilities may have air emissions low enough to qualify as "insignificant," and not be required to have an air permit.

There are two types of federal air regulations, the National Emission Standards for Hazardous Air Pollutants (NESHAPs) and New Source Performance Standards (NSPSs). Either or both regulations may…

Community wastewater treatment facilities and their operators play a critical role in maintaining a health community and preserving and protecting our waters.

MPCA guidance on petroleum site investigation and remediation, reporting, and more.

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.

“Urban wood,” or wood salvaged from cities, suburbs, and towns, is a growing issue in Minnesota because of severe weather, urban expansion, and the emerald ash borer. Rather than burning the trees as waste, a preferred option for dealing with urban wood involves creating durable wood products like furniture, building materials, and wooden décor.

Each year, Minnesotans throw away more than 850,000 tons of recyclables, worth around $153 million. Here's how we're reducing those numbers in Greater Minnesota.

Important details to help make your e-Service administrative submittal go as smoothly as possible.