Search
Learn about environmental regulations that may apply to your business. It is not an exhaustive list, so other regulations may apply.
In 2009, a federal court ruled that NPDES permits were required for all biological and chemical pesticide applications that leave a residue in water when applications are made in, over, or near waters of the United States.
Businesses face challenges from climate change's impacts, but they can also take steps to reduce their contributions to climate change.
MPCA keeps its public data easily accessible for convenient use.
Join the celebration! We look forward to highlighting Minnesota’s clean water successes and invite you to use our 50th anniversary art and branded graphics.
The MPCA solicited project proposals to distribute $35 million to communities for projects to prepare local stormwater infrastructure for the impacts of climate change.
The MPCA fined Zippel Bay Resort $37,800 for a number of violations stemming from the operation of an unregistered gas tank that leaked gasoline into Lake of the Woods.
In Minnesota, handlers of oil and hazardous substances are required to prepare for potential spills and take steps to prevent them.
The 2025 MPCA annual report on Brownfields celebrated numerous major achievements cleaning up and rehabilitating polluted properties.
What is the blue-green scum that looks like spilled paint?In lakes that are over-enriched with phosphorus and nitrogen, algae tend to prosper and create algae blooms. Blue-green algae and one type in…
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
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.
As part of the PFAS pollution prevention law called Amara’s Law, manufacturers are required to report intentionally added PFAS in products sold in Minnesota and pay a fee. The Minnesota Pollution Control Agency has extended the reporting due date to Sept. 15, 2026.
Details on sampling and monitoring requirements of your industrial stormwater permit.
The Chippewa River Watershed covers 2,085 square miles and drains portions of eight counties in west central Minnesota.
Instructions for preparing for and completing the online exam for underground storage tank operator certification.
A stormwater system upgrade in Duluth was expanded with the help of an MPCA employee who tapped into available funding. It protects Lake Superior and can serve as an example for other cities and counties.
There are two types of federal air regulations, the National Emission Standards for Hazardous Air Pollutants (NESHAPs) and New Source Performance Standards (NSPSs). Either or both regulations may…
Environmental information and permits that affect grain elevators, feed mills and fertilizer mixing plants.
Dentists in Minnesota must meet federal and state requirements to limit the amount of mercury in their wastewater.