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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.

Resources for the dry cleaning industry

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

Removing Middle Lake from the impaired waters list required wrangling with a bottom feeder, the invasive carp.

Permits for wastewater treatment require monthly, quarterly, or annual reporting of discharge monitoring results

The MPCA gave an environmental award to the Evangelical Lutheran Good Samaritan Society, which sold land so it could become a watershed wetland in Baxter. The project is being finalized in summer 2024.

The triennial standards review offers every Minnesotan the opportunity to comment on essentially every water quality standard the agency defines to protect the waters that they drink, swim in, and fish from.

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

The MPCA has initiated a declaratory judgement action against the owners of the Freeway Landfill and Freeway Dump in Burnsville to protect the drinking water supply for Burnsville and Savage residents.

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

Nitrogen, like phosphorus, is a nutrient that pollutes in state waters, and its concentration in many rivers has been increasing from historic natural levels over time due to human influences.…

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

Profile of Julia Dady, a volunteer water monitor for Battle Creek in Saint Paul.

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)

One indicator of impairment that puts a stream on the Impaired Waters List is its macroinvertebrate population. Here's how that works.

Environmental information and resources for the biochar industry.

The Big Fork River Watershed covers more than 1.3 million acres that include some of the state’s most pristine wilderness. The river flows north 165 miles from Dora Lake (45 miles northeast of Bemidji in north-central Itasca County) to the Rainy River, which forms the Minnesota-Canada border.

Streams of the Upper St. Croix Watershed are among the most biologically intact, healthy, and resilient of watersheds in Minnesota.

Learn what you can do to protect yourself and your community from environmental problems caused by flooding.

Resources for recycling market development