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The Clean Water Council was created to advise the Legislature and the governor on the administration and implementation of the 2006 Clean Water Legacy Act
State and federal permits and regulations that are designed to protect groundwater and surface water (lakes, rivers, streams, and wetlands) apply to specific facilities and processes that could pose…
Under the federal Clean Water Act, states must designate beneficial uses for all waters and develop water quality standards to protect each use.
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 water quality variance is a temporary change in a state's water quality standard for a specific pollutant and its relevant criteria, allowing deviation from meeting a water quality-based effluent limit for a particular discharger.
In rules, an incorporation by reference states that the contents of another document are part of the rule, even though the text of the referenced document does not appear in the rule itself.
To help you quickly determine whether this permit affects you, what your requirements are, and what to do next, the MPCA has developed an Applicability flow chart
The MPCA enforces federal and state requirements for air quality permitting.
The MPCA strives to ensure all people in Minnesota have clean air, regardless of where they live or work.
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…
Located in southeast Minnesota and northeast Iowa, the Upper Wapsipinicon Watershed lies within the Eastern Iowa and Minnesota Drift Plains portion of the Western Corn Belt Plains ecoregion.
The MPCA completed 75 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2024.
Volatile organic compounds (VOCs) are a group of chemicals that can vaporize into air. VOCs are in thousands of daily use products, including paint, varnish, wax, and various cleaning, degreasing,…
Environmental information for craft breweries, distilleries, wineries, and cideries, and for home brewers who want to start commercial production.
Two small creeks in the Nemadji River watershed are cleaner, and some fish have returned, after restoration work that the MPCA took part in.
Find out what’s being done in Minnesota’s watersheds to protect and improve water quality.
A successful cleanup of contaminated land along the Cedar River in Austin caps a long history of industrial pollution.
The St. Louis River Mercury TMDL will determine mercury reductions needed for lakes and rivers in the St. Louis River watershed.
The MPCA has started a study intended to understand and document the variation in naturally occurring sulfate levels across the state.
Reducing campus discards and raising awareness of sustainability through outreach and community engagement