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Nitrogen dioxide (NO2) is one of a group of highly reactive gases known as nitrogen oxides. NO2 reacts with other chemicals in the air to form other pollutants, such as ozone, particulate matter,…
Permit 2025 Multi-Sector General Permit for Industrial Stormwater (wq-strm3-102g) Effective June 1, 2025 Updates and new…
In Minnesota, wastewater treatment operators must be certified to ensure that facilities meet operational requirements.
Graphic timeline that outlines how the permitting process and environmental review process progress simultaneously.
Question and answer session with Lisa Weidemann, a community affairs specialist with the MPCA, about her work with the agency.
Minnesota’s greenhouse gas (GHG) emissions dropped by 14% between 2005 and 2022, according to a biennial report from the Minnesota Pollution Control Agency (MPCA) and Minnesota Department of Commerce
MPCA rules govern how septic systems are designed, installed, and managed in Minnesota.
Communities facing the impacts of air pollution will soon have new resources to understand and improve the air quality in their neighborhoods after the MPCA awarded $…
Dentists in Minnesota must meet federal and state requirements to limit the amount of mercury in their wastewater.
Through a certificate of need process, MPCA is offering existing landfills the opportunity to expand their existing capacity.
MPCA evaluates water quality by measuring and monitoring the health of fish, macroinvertebrates, and plants.
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…
Minnesotans are encouraged to share feedback through Nov. 9, 2025
Demonstration/research projects (DRPs) allow permittees to explore potential beneficial uses or new methods of solid waste management through a limited-scale project.
Permits for wastewater treatment require monthly, quarterly, or annual reporting of discharge monitoring results
The MPCA regulates both underground and aboveground commercial storage tanks above a certain size that hold petroleum or hazardous liquids.
The Performance Excellence Network has awarded the MPCA its Excellence Award for the agency's superior operational performance and commitment to continuous improvement.
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…
Create an editable spreadsheet with the information indicated below. Each step in your calculations needs to be clear and easy to follow.Facility informationProvide the facility ID, file number, and…
Hutchinson Utilities exceeded its permit limit for particulate matter during an air quality performance test. High levels of particulates are known to cause environmental harm and health problems.