Search
The MPCA issued the most recent municipal stormwater general permit (MNR040000) in November 2020.
The MPCA regulates the design, construction, and operation of treatment facilities for municipal and industrial wastewater in Minnesota.
Air quality dispersion modeling uses a computer model to estimate air pollution concentrations from regulated facilities and other sources of pollution.
Image Aboveground storage tank (AST) requirements are found in Minnesota Rules, Chapter 7151. In general:new tanks and piping must be designed to…
Smart technology, conservation practices, and a commitment to clean water help this family dairy and crop operation thrive — while protecting rivers, streams, and future generations.
The MPCA has actively been developing methods and building capacity to improve our ability to monitor and assess wetlands to protect and restore them.
Emissions generated from gasoline and diesel powered vehicles are the greatest source of air pollution in Minnesota
General permit intended for facilities using processes including abrasive blasting, brazing, catalytic or thermal oxidizers, dip tanks, injection molding, resin and gel coating, spraying and coating activities, and welding.
Tools and materials for partners and stakeholders interested in minimizing the impact of chloride on Minnesota lakes, rivers, and groundwater.
After many years of investigation, design work and construction, the Great Lakes Legacy Act remediation projects at these sites near Duluth, Minnesota, are complete.
The MPCA studies, monitors, and regulates water pollutants to protect human health and the environment. Minnesota water quality standards strives to protect water for use, measures health of waters, and guides limits on what regulated facilities can discharge to surface waters.
MPCA Environmental Assistance grant program puts spotlight on mend-it clinics and other reuse and waste reduction efforts.
Information for larger feedlot owners on the federal National Pollutant Discharge Elimination System (NPDES) and State Disposal System (SDS) permits for construction and operation permits in Minnesota.
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 has released the draft 2025 Minnesota Nutrient Reduction Strategy for public review and comment.
Find out whether your feedlot needs to register, to get an environmental review, or apply for a permit.
Smith Foundry has ceased operations at its East Phillips facility after an investigation and settlement with the U.S. EPA that the MPCA supported.
James Wooton puts his scuba diving skills to work monitoring for aquatic invasive species in Otter Tail County lakes.
Application forms and instructions for applying for wastewater permits.
Some permittees are receiving phishing attacks claiming to be from the EPA. How to spot a phishing attack and what to do about it.