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Across the state, water softeners contribute significantly to chloride pollution. Here’s how to make sure your water softener isn’t sending excess salt into the environment

Learn about environmental regulations that may apply to your business. It is not an exhaustive list, so other regulations may apply.

Information for cannabis growers and processors to understand environmental regulations and permits that may apply to their businesses.

MPCA and the Minnesota Department of Health continue to sample private residential wells, municipal wells, and non-community public wells (e.g., small businesses, churches, schools) in the East Metro area for per- and polyfluoroalkyl substances (PFAS)

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.

Young Life Castaway Club violated several wastewater regulations, mainly modifying wastewater treatment systems without approval, between 2019 and 2022 at its youth and family camp on Pelican Lake, just south of Detroit Lakes. These violations carry serious risks of harm to the environment.

Resources for the dry cleaning industry

Wastewater treatment plant in Elk River paid a $15,000 fine for consistently discharging fecal coliform and phosphorus into nearby Tibbets Brook.

Environmental information and permits that affect metal fabrication and finishing businesses.

Don't let your septic system freeze. Here are some simple tips that can help you avoid costly problems with your septic system.

Businesses like grocery, liquor, and convenience stores depend on refrigeration systems. Some of these systems, however, can prove expensive to operate and harmful to the environment.

The 2025 MPCA annual report on Brownfields celebrated numerous major achievements cleaning up and rehabilitating polluted properties.

Answers to common questions about the Construction Stormwater Permit application

The MPCA released its environmental assessment worksheet (EAW) for the proposed expansion of Crow Wing County’s existing mixed municipal solid waste landfill northeast of Brainerd.

MPCA staff toured three farms in southeastern Minnesota. The purpose of external communications is to show that the agency cares about education and outreach, and we get out in the field to learn on site.

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

Smart technology, conservation practices, and a commitment to clean water help this family dairy and crop operation thrive — while protecting rivers, streams, and future generations.

Environmental regulations vary by industry. To help you navigate this, we've compiled key considerations based on common industries, processes, and equipment.

Dem-Con Landfill proposes to build a new municipal solid waste landfill at its environmental campus near Shakopee. It plans to convert 2.2 million cubic yards covering an approximately 81-acre fill area of its permitted construction and demolition landfill into a new municipal solid waste landfill. The creation of a new MSW landfill of this size requires the project to go through the environmental impact statement process.

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