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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.
Answers to frequently asked questions about compliance and MPCA's enforcement of environmental rules in Minnesota.
Allows new and expanding wastewater treatment facilities to receive a discharge permit prior to completion of an applicable phosphorus-related TMDL. Through pre-TMDL phosphorus trading a, a new or expanding facility may increase its phosphorus discharge by purchasing a phosphorus reduction from another source.
The MPCA today released its environmental assessment worksheet (EAW) for a new facility proposed by Vanguard Organics, LLC that will process organic materials through anaerobic digesters near Litchfield.
Smith Foundry has ceased operations at its East Phillips facility after an investigation and settlement with the U.S. EPA that the MPCA supported.
Northern Iron operates an iron foundry in an environmental justice area in Saint Paul's Payne-Phalen neighborhood.
An electronics collector is a public or private entity that receives electronic devices from households and arranges for the delivery of the devices to a recycler. In Minnesota, electronics…
Minnesota's strategic, coordinated approach to protecting families and communities from per- and polyfluoroalkyl substances.
MPCA's compliance and enforcement program tracks how well wastewater treatment facilities are complying with their permits and takes enforcement actions when necessary.
With the end of the 2025 model year in the automobile industry, so ends Minnesota's Clean Cars rule. The Clean Cars rule, adopted in 2020, had a goal of electric vehicles exceeding 6% of all…
Most AST systems that contain liquid capable of polluting the waters of the state are subject to state rules and permits.
Each year, Minnesotans throw away more than 850,000 tons of recyclables, worth around $153 million. Here's how we're reducing those numbers in Greater Minnesota.
Step 3: Requirements for pesticide dischargers
Minnesota rules require many facilities that produce air emissions to conduct performance testing.
MPCA permits are required for extensions, additions, or other modifications to sanitary sewer collection systems that result in new or increased discharges of pollutants.
MPCA policy recommendations for the upcoming legislative session
Minnesota’s Digital Fair Repair Act went into effect July 1. Here’s why it matters and how you can use it to save money and the environment
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…
The MPCA enforces federal and state requirements for air quality permitting.
Question and answer session with Addison Otto, a rule coordinator with the MPCA, about her work with the agency and how her hobby farm informs her work.