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Image Aboveground storage tank (AST) requirements are found in Minnesota Rules, Chapter 7151. In general:new tanks and piping must be designed to…

The Army has proposed a plan for cleaning up contaminated sediment in Round Lake, located within the Twin Cities Army Ammunition Plant (TCAAP) site.

The Regional Haze Rule requires states to improve visibility in our nation's national parks and wildernesses (Class I areas) and restore them to natural visibility conditions by 2064.

MPCA online services give users online access to apply for permits and licenses, submit required information, and pay fees and invoices.

Tools and materials for partners and stakeholders interested in minimizing the impact of chloride on Minnesota lakes, rivers, and groundwater.

Throughout her life, Jen Widmer has felt a deep connection to wetlands. As a child, she played broomball on the ice of a wetland near her home. She once attempted swimming in the wetland but was…

East Central Solid Waste Commission (ECSWC) proposes to add 1.7 million cubic yards of MSW capacity to their landfill near Mora, Minnesota, which requires an environmental impact statement.

Finding ways to keep stormwater on land and let it soak into the ground can lessen the negative effects on water quality from stormwater.

Improving water quality in Lake George has required treating phosphorus in the water and filtering pollutants out of urban stormwater.

Water softeners produce much of the chloride that pollutes Minnesota’s waters. An MPCA grant aims to reduce that pollution with water softener replacement rebate programs.

During the 2023 legislative session, legislators passed more than a dozen funding and policy proposals to address food waste, organics, recycling market development, and wood waste.

Designing stormwater systems to handle the challenges of climate change differs in every community across the state. Here’s how one community is meeting that challenge

For more than 50 years, volunteers have gathered critically important water clarity data on Minnesota lakes and streams.

The MPCA announced cleanup plans for the defunct Hibbing Gas Manufacturing Plant site, explained in a draft Minnesota Decision Document that is available for public comment until July 9, 2026.

Reusing and recycling materials from construction and demolition (C&D) can help address pressing disposal and contamination issues in Minnesota, and have significant economic and environmental benefits.

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

Construction and demolition projects produce twice the amount of waste of household trash every year. A new MPCA grant aims to reduce that amount by funding innovative building material reuse projects.

Industrial Stormwater Steps to Compliance - Step 2: Consider certifying for No Exposure

Collaboration and engagement have been keys to progress in the St. Louis River AOC.

The MPCA has started a study intended to understand and document the variation in naturally occurring sulfate levels across the state.