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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.
To obtain coverage under this permit, the owner(s) must document compliance with the criteria for coverage under this general permit, prior to disposal of the uncontaminated concrete.
A dedicated stakeholder advisory group was assembled from sectors that will be affected by PFAS at remediation sites to establish guidance for PFAS investigation and cleanup.
MPCA plans to amend its 20-year old rules governing land treatment of petroleum-contaminated soil.
A watershed is the area of land where all of the water that drains off of it goes into the same place — a river, stream or lake.
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.
Companies penalized for improperly releasing polluted stormwater at Xcel Energy’s St. Paul Service Center construction site on the east side of Saint Paul.
In 2010, the MPCA began receiving public inquiries about projects to mine silica sand for use in hydraulic fracturing, or “fracking,” a drilling method used for natural gas and oil wells.
Resources and best management practices to help protect water quality on construction sites.
The MPCA has initiated a declaratory judgement action against the owners of the Freeway Landfill and Freeway Dump in Burnsville to protect the drinking water supply for Burnsville and Savage residents.
“Area C” is the name given to Ford Motor Company’s former industrial waste dump on the floodplain of the Mississippi River, at the base of the bluff below the former Twin Cities Assembly Plant in Saint Paul.
The fines stem from a release of sediment-laden water into a county ditch, and subsequent failures to notify, repair, and report on the incident.
The Army has proposed a plan for cleaning up contaminated sediment in Round Lake, located within the Twin Cities Army Ammunition Plant (TCAAP) site.
Solid waste facilities may close or terminate their permit depending on the solid waste activities occurring at the site.
MPCA investigation determined Derek Vekich committed stormwater and wetland violations in 2024.
Central Specialties Inc., based in Alexandria, violated several air permit conditions between 2021 and 2023 for its mobile hot-mix asphalt facility stationed at various locations around the state. Violations included failing to properly maintain pollution control equipment and inadequate recordkeeping and reporting.
Minnesota's strategic, coordinated approach to protecting families and communities from per- and polyfluoroalkyl substances.
Recyclers of CED must register with the MPCA; there is no annual fee. Recyclers must meet certain requirements in terms of regulatory compliance, necessary licensure, and insurance.
The Minnesota Pollution Control Agency (MPCA)’s draft wastewater permit for the 3M facility at Cottage Grove adds new water quality protections for the Mississippi River and improves accountability through monitoring and reporting requirements. The draft permit is one of the most rigorous in state history and mandates the removal of certain per- and polyfluoroalkyl substances (PFAS) to levels below detection.
Elk River Landfill, Inc. proposes to expand its existing municipal solid waste (MSW) landfill near Elk River.