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The Rapid River watershed covers 573,060 acres in northern Minnesota. Over 79% of the land in the watershed is owned or managed by state entities.

Keep It Clean focuses on the growing problem of garbage and human waste left on the ice by anglers and other visitors during ice fishing season.

Stormwater runoff is a leading source of water pollution, and the state general permit is designed to reduce the amount of sediment and other pollutants entering state waters.

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.

Find sustainable products for your business with these helpful certification and labeling systems.

Complying with the MS4 general permit

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.

Through a certificate of need process, MPCA is offering existing landfills the opportunity to expand their existing capacity.

Minnesota has revised state water quality standards to incorporate a tiered aquatic life use (TALU) framework for rivers and streams.

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

The MPCA issued the most recent municipal stormwater general permit (MNR040000) in November 2020.

Two small creeks in the Nemadji River watershed are cleaner, and some fish have returned, after restoration work that the MPCA took part in.

Batteries aren’t trash, they’re treasure: Recycling old batteries gives their materials a new life. Visit CollectED's new, carnival-style interactive exhibit at MPCA's Eco Experience at the Minnesota State Fair to learn more about batteries.

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

Conditionally exempt facilities do not need an air quality permit if they follow specific requirements.

The amount of hazardous waste you generate will dictate your waste generator status.

Guidance on NPDES/SDS construction stormwater requirements

Researchers collect samples of sediment from the bottom of Lake of the Woods in 2024. (Photo courtesy of St. Croix Watershed Research Station) After years of study…

A watershed is the area of land where all of the water that drains off of it goes into the same place — a river, stream or lake.