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

Environmental information and permits that affect hot mix asphalt plants.

A TMDL to address E. coli aquatic recreation impairments in five main-stem reaches of the Minnesota River.

Findings underscore need to reduce use of “forever chemicals”

The Red River of the North - Marsh River Watershed is part of the Red River Basin in northwestern Minnesota and southeastern North Dakota.

Rundown of all the PFAS legislative wins from the most recent legislative session.

Kohlman Lake, one of 27 bodies of water to come off the impaired waters list this year, did so with substantial help from the Clean Water Fund.

Dakota County is now hosting We Are Water MN, a traveling exhibit and community engagement program that explores Minnesotans’ relationships with water.

Question and answer session with Lisa Weidemann, a community affairs specialist with the MPCA, about her work with the agency.

Are pets affected by poor air quality? Will wearing a mask help when I’m outside? What is particulate pollution? We’ve got the answers.

The MPCA is offering rebates to small businesses across the state to buy and sell lead-free fishing tackle, part of the state’s Get the Lead Out program

The Minnesota Pollution Control Agency (MPCA)’s draft wastewater permit for the 3M facility at Cottage Grove adds new water quality protections for the Mississippi River and improves accountability through monitoring and reporting requirements. The draft permit is one of the most rigorous in state history and mandates the removal of certain per- and polyfluoroalkyl substances (PFAS) to levels below detection.

The 2026 Climate Action Framework prioritizes reducing greenhouse gas emissions and protecting Minnesotans

Environmental information and resources for the aggregate industry.

Requirements for discharges from a project site and/or management control site(s).

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

When leaves fall on streets, sidewalks, and other hardscapes in urban areas, they wash into the storm drains and end up in lakes and rivers where they feed algae growth. The algae then decomposes and uses up oxygen that fish and native plants need.

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.

To help address climate change and protect the health of Minnesotans, the Minnesota Pollution Control Agency adopted Low Emission Vehicle Standards for particulate matter, nitrogen oxides, non-methane organic gases, and greenhouse gases, as well as the Zero Emission Vehicle (ZEV) Standard.

Failed to obtain a construction stormwater permit prior to beginning construction and allowed sediment to discharge to wetlands as they built The Meadows housing development in Otsego, Minnesota.