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Application forms and instructions for applying for wastewater permits.
The MPCA studies, monitors, and regulates many land pollutants that affect the quality of life in Minnesota and the health of residents.
Permits help the MPCA protect the environment.
Certain types of permits and approvals to conduct solid waste activities require a notification to the MPCA of the intent to perform the specified solid waste activity.
Learn what a brownfield is, how it can negatively affect communities, and resources for cleaning one up.
MPCA permits are required for construction, modification, and operation of facilities where solid waste is treated, stored, processed, transferred, or disposed.
Mercury is a naturally occurring element that is toxic to humans and animals. At room temperature, mercury is a silvery, liquid metal, but it can also evaporate and become airborne. Mercury does not…
Biosolids that will be applied to land must meet strict regulations and quality standards.
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…
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 MPCA provides additional guidance on air permitting and regulation requirements: New source review – Obtain a permit before beginning construction on new major-emitting industrial facilities…
Areas and communities with SSTS concerns have wastewater treatment methods that are not adequate to protect public health or the environment. Hundreds of small communities around the state have inadequate wastewater systems.
Septic tanks must be registered in Minnesota to ensure they are watertight and have adequate structural integrity.
The MPCA library provides access to the agency's curated collection of environmental information for agency employees, external professionals, and the public.
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.
1,4-dioxane was mainly used as a stabilizer for chlorinated solvent 1,1,1-trichloroethane. 1,4-dioxane can also be an unintended contaminant in the production of certain products, including some…
Image Aboveground storage tank (AST) requirements are found in Minnesota Rules, Chapter 7151. In general:new tanks and piping must be designed to…
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…
Mesabi Metallics is currently constructing a new taconite mine and taconite pellet production facility on the site of the former Butler Taconite Mining Company facility near Nashwauk.