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Environmental rules and regulations are essential tools used to protect Minnesota’s environment, setting standards for environmental quality and limits on pollutants that can be discharged from facilities. The MPCA helps protect our environment by writing and enforcing these rules and regulations.
MPCA is planning new rules governing air quality, establishing new rules for odor management plan requirements.
The MPCA is committed to engaging broadly with the public and ensuring that residents affected by its decisions have a voice in its processes.
The MPCA's regulatory, cleanup, and monitoring programs create and maintain spatial data that serve our environmental protection work and can be shared with partners and researchers.
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.
Organizations that want to reuse materials in ways not classified as standing beneficial uses must apply to the MPCA for a case specific beneficial use.
Standard operating procedures (SOPs) reflect how agency staff and contracted partners complete agency-funded field activities.
Does it seems like the number of alerts due to wildfires has increased in the past few years? We’ve had 46 air-quality alerts since 2015—34 of those due to wildfire smoke.
Batteries aren’t trash, they’re treasure: Recycling old batteries gives their materials a new life. Visit CollectED's new, carnival-style interactive exhibit at MPCA's Eco Experience at the Minnesota State Fair to learn more about batteries.
Don't let your septic system freeze. Here are some simple tips that can help you avoid costly problems with your septic system.
Residents' guide to stormwater permitting.
Systems to treat drinking water have been installed to address groundwater contamination in two St. Louis Park and three Edina municipal wells.
Image The goal of the MPCA's regulatory programs covering hazardous substances and solid waste is to prevent contamination of land, water, and air by…
The Big Fork River Watershed covers more than 1.3 million acres that include some of the state’s most pristine wilderness. The river flows north 165 miles from Dora Lake (45 miles northeast of Bemidji in north-central Itasca County) to the Rainy River, which forms the Minnesota-Canada border.
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.
Northshore Mining Company has applied for updated wastewater and air quality permits for its Silver Bay taconite processing plant and Mile Post 7 tailings basin.
MPCA rules govern how septic systems are designed, installed, and managed.
Forms and guidance for local partners submitting surface water data, QA/QC information and progress reports to MPCA.
Certain proposed projects — based on their nature, size, location, or other factors — must go through an environmental review before any required permits or approvals are issued.
Emissions generated from gasoline and diesel powered vehicles are the greatest source of air pollution in Minnesota