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A permit by rule (PBR) means a facility or activity meets the requirements outlined in Minnesota rules and is deemed to have obtained a solid waste management facility permit without making application for it.
An index of biological integrity (IBI) is a particularly powerful tool that provides an accurate measure of the condition of the biological communities and are a direct determinant of the attainment of aquatic life uses.
The AQI was developed to provide a simple, uniform way to report daily air quality conditions.
The Legislature has given the MPCA the authority to develop rules to protect state environmental resources.
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…
Chloride is a problem for wastewater facilities and stormwater permittees.
Permits help the MPCA protect the environment.
MPCA is opening the rule that regulates about 17,000 animal feedlots.
SkyWater Technology violated federal laws and Minnesota rules, operating a semiconductor plant without an appropriate air permit in Bloomington, Minnesota.
An MPCA investigation determined that General Mills violated state rule at its oat processing facility in Fridley on several occasions from 2019 through 2023.
MPCA seeks public comment on two draft industrial wastewater permits for U.S. Steel Corp.’s Keetac mining area and tailings basin in Keewatin, Minnesota. These permits will improve protections for wild rice waters and human health.
To help address climate change and protect the health of Minnesotans, the Minnesota Pollution Control Agency adopted Low Emission Vehicle Standards for particulate matter, nitrogen oxides, non-methane organic gases, and greenhouse gases, as well as the Zero Emission Vehicle (ZEV) Standard.
The Minnesota Pollution Control Agency seeks public comment on a draft industrial wastewater permit that provides various improvements to better protect the environment and human health at Northshore Mining Co.'s taconite processing facility and tailings basin in Silver Bay, Minnesota.
Wastewater treatment plant in Elk River paid a $15,000 fine for consistently discharging fecal coliform and phosphorus into nearby Tibbets Brook.
The northeast region of Minnesota is home to the state’s metallic mining industry. The "Iron Range" has a history of iron ore (“ferrous”) mining dating back to the late 1800s and includes the large…
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.
Wastewater treatment and disposal are important for protecting and preserving Minnesota's water resources. MPCA regulates wastewater treatment activities in Minnesota.
The Minnesota Pollution Control Agency (MPCA) today took another step forward in addressing nitrate pollution statewide by issuing updated water permits for about 1,000 large feedlot operations. These permits take effect when the current ones expire.
Proposed changes to permits that regulate the state’s largest animal feedlots target nitrate pollution statewide.
The MPCA invites the public and manufacturers to provide comments on the reporting and fees rule for products containing PFAS.