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A gateway to common regulatory information that affects stationary engines.

Under the federal Clean Water Act, states must designate beneficial uses for all waters and develop water quality standards to protect each use.

The Redwood River is located in southwestern Minnesota in the counties of Lincoln, Lyon, Murray, Pipestone, Redwood, and Yellow Medicine.

This Winnebago River consists of a stream and lake system in southern Minnesota that flows into Iowa. The water resources here face several water quality challenges, including high nutrient and bacteria levels.

Wild rice is an important part of the biological community in many Minnesota lakes, streams, and wetlands, and a cultural resource to many, particularly members of the Dakota and Ojibwe Tribal Nations in Minnesota.

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.

With 100 days until a law aimed at removing PFAS from consumer products goes into effect, state leaders celebrate three Minnesota-based companies already offering goods made without PFAS.

MagIron LLC proposes to restart a mining and processing facility near Grand Rapids, which will require new air and industrial wastewater permits from the MPCA.

The North Fork Crow River Watershed covers 949,107 acres.

Important details to help make your e-Service administrative submittal go as smoothly as possible.

When temperatures climb, conditions are ripe for Minnesota lakes to produce algae blooms, some of which can be harmful to pets and humans.

The MPCA had approximately $2 million to support projects that focus on sustainable building and materials management strategies that reduce waste and increase deconstruction, salvage, and reuse.

Data shows that ice cover on Minnesota's lakes doesn't last as long as it used to. That means a shorter ice fishing season, yes, but it also has implications for the environment and Minnesota's fish and wildlife.

The Rum River Watershed covers 997,060 acres in east-central Minnesota, covering parts of Aitkin, Crow Wing, Morrison, Mille Lacs, Kanabec, Benton, Isanti, Chisago, Sherburne, and Anoka counties.

Elk River Landfill, Inc. proposes to expand its existing municipal solid waste (MSW) landfill near Elk River.

An air emission permit is a legal document that describes how a facility must operate to meet state and federal air regulations, and to minimize the impact of air emissions on people and the…

Water quality trading is a market-based approach to the protection and restoration of surface waters, another tool to be used in conjunction with existing voluntary, regulatory, and financial assistance programs.

A waste is any material that can no longer be used for its original intended purpose. The type of waste generated can include recyclables, solid waste, and hazardous wastes, which may be subject to specific management and disposal requirements.

The Nemadji River Watershed spans the Minnesota-Wisconsin border and covers nearly 1.2 million acres.

Where possible, permit holders must use MPCA's e-Services to apply for reissuance and administrative amendments.