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The MPCA regulates both underground and aboveground commercial storage tanks above a certain size that hold petroleum or hazardous liquids.
A cumulative impacts analysis provides a comprehensive look at all burdens that affect a community or neighborhood.
Application fees must be submitted with your permit application. The submittal cover page form will help you add up the points assigned to each type of permit application or request. Multiply the…
States are responsible for developing a Regional Haze State Implementation Plan (SIP) that addresses regional haze in each Class I area located within the state and in each Class I area located…
Excess phosphorus is harming Minnesota waters. Phosphorus comes from both regulated and non-regulated sources. A quarter of Minnesota lakes have high levels of phosphorus, which means that they do…
Answers to frequently asked questions about compliance and MPCA's enforcement of environmental rules in Minnesota.
The MPCA provides funding to local partners to assist with intensive water quality monitoring at approximately 130 long-term river and stream monitoring sites.
Complaints of discrimination will be investigated
Grantees must follow guidance to fund only eligible activities and expenses.
Residential- and high-strength wastewater products registered for use in Minnesota, including the manufacturer's name, a link to the company's web site, and the registered product's name and model.
Guidance and recommendations for local officials dealing with public health issues related to blue-green algae.
This feature summarizes findings in the four WRAPS reports in 2024.
Pollinators are essential to everyday Minnesotans, our economy, and our food production. Learn why these pollinators are so vital through exhibits at this year’s Eco Experience.
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…
Designing stormwater systems to handle the challenges of climate change differs in every community across the state. Here’s how one community is meeting that challenge
Owners/operators of construction activity must complete several steps before completing a permit application and beginning construction. These steps also help owners/operators determine their eligibility for coverage under the general permit.
The MPCA sought applications from contractors to partner with auto repair shops, dealerships, tech colleges or other entities to identify and fix high-emitting vehicles.
Per- and polyfluoroalkyl substances (PFAS) are a group of thousands of human-made chemicals that do not break down over time. PFAS are sometimes called “forever chemicals” due to their extreme…
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.
Ready-to-run meteorological data suitable for AERMOD.