The Australian government has commenced Federal Court proceedings against 3M Australia Pty Ltd and its US parent company, 3M Company, over widespread PFAS contamination associated with water-based film-forming foams used in defense installations.
The Commonwealth is seeking more than $2 billion in damages to recover costs associated with investigating, containing, and remediating contamination at 28 defense bases across the United States.
The lawsuit focuses on allegations that 3M failed to fully disclose the environmental risks associated with water-based film-forming foam, commonly known as AFFF, despite allegedly having knowledge of the long-term contamination risks posed by PFAS chemicals.
The Commonwealth also alleges that the company provided assurances about the product’s environmental safety and disposal methods that were inconsistent with then-available internal knowledge.
This case represents one of the largest environmental remediation claims by the Australian government related to PFAS contamination.
The Department of Defense has already spent more than $1.3 billion managing the impacts of the historic use of water-based film-forming foam, and says significant future costs are expected as remediation efforts continue across affected communities.
Commenting on the case, Australian Attorney General Michelle Rowland said: “The government is committed to holding 3M accountable for the economic and environmental harm associated with PFAS contamination.
“The Commonwealth initiated this action to seek appropriate accountability through federal court and recovery of costs incurred by the Commonwealth in response to PFAS contamination at defense bases.”
“This is to ensure that these issues are addressed through the appropriate legal process.”
PFAS contamination is under legal scrutiny
PFAS (per- and polyfluoroalkyl substances) are synthetic chemicals previously used in fire-fighting products because of their resistance to heat, oil, and water.
Aqueous film-forming foams were widely deployed at military bases, airports, and industrial sites for decades until mounting evidence linked PFAS exposure to environmental and health concerns.
Federal filings allege that 3M withheld important information about the environmental persistence and contamination risks associated with its firefighting foam products.
The government contends that taxpayers have incurred significant financial burdens as a result of the pollution response, including environmental assessments, groundwater monitoring, containment programs, and ongoing remediation efforts.
Impact on defense bases and local communities
Communities located near defense sites affected by PFAS contamination have long faced uncertainty surrounding water quality, land use, and environmental safety.
The Department of Defense says it will continue to work with state and local governments while maintaining existing PFAS management and remediation programs.
The lawsuit signals a broader push for corporate liability for traditional contamination associated with water-based film-forming foam products.
This outcome could have a significant impact on future environmental liability cases involving PFAS contamination in Australia and internationally.
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