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Ledger 1 : 33 — For each dollar financing nature-based solutions in 2023, about $33 financed activities harmful to nature. (UNEP)
Cases / Chemical pollution · Australia · 1988–2025

Australian government settled PFAS claims at three defence bases and sued 3M

Short record: the main facts, with sources. A full case file has not been prepared.

Nature's voice · report
No measurement of the harm done to me here is on record.
Did nature suffer? Not measured.
What the record lacks: 2 none on record · 1 insufficient · 1 not measured · 1 unclear See the gaps

Australia's federal government settled class actions over PFAS foam contamination near the Katherine, Williamtown and Oakey defence bases in 2020, and later sued 3M for more than A$2bn. The sources say taxpayers have borne the cost so far, with no recovery from the foam makers reported before that suit.

What?
The Commonwealth settled PFAS class actions at three defence bases for A$212.5m and later sued 3M for more than A$2bn, the Law Society Journal reported. Law Society Journal
Where?
Katherine (Northern Territory), Williamtown (New South Wales) and Oakey (Queensland), Australia. Katherine Times
When?
Foam used at the bases from 1988 to 2004; settlements in 2020; the suit against 3M is reported in 2025. Law Society Journal
Who?
Gained
  • Class action plaintiffs — Settlements for property value losses near the bases Katherine Times
Lost
  • Taxpayers — Paid the settlements and the defence PFAS spending; no recovery from the foam makers is recorded Law Society Journal
Harmed
  • Residents near the three bases — Property value losses from PFAS contamination Katherine Times
Why?
Not stated in the sources reviewed.
How?
Firefighting foam used at the bases from 1988 to 2004 contaminated the areas around them.
6 of 6 questions answered from the record

What happened

The record, in order.

The federal government settled class actions over PFAS contamination near the Katherine, Williamtown and Oakey bases in 2020; the claims concerned property value losses (Katherine Times).

The Defence Department settled the class actions for A$212.5m and has spent more than A$1.3bn on PFAS claims, the Law Society Journal reported.

The Commonwealth sued 3M for more than A$2bn over the contamination; the sources reviewed record no decision.

    In court and with insurers

    Every proceeding and every insurer decision on record.

    Lawsuits and rulings

    1. 2020Settled
      PFAS class actions at Katherine, Williamtown and Oakey
      · Civil · Residents near the bases (class members) → Commonwealth of Australia

      Settled in 2020 for A$212.5m as reported; the claims concerned property value losses. Katherine Times

    2. Ongoing
      Commonwealth v 3M (PFAS at defence bases)
      · Civil · Commonwealth of Australia → 3M

      The Commonwealth claims more than A$2bn from 3M; the sources reviewed record no decision. Law Society Journal

    Insurers

    No insurer decision on record.

    What we don't know

    Undisclosed, unproven, untried: recorded as data.

    Nature

    • Not measured Harm to nature: The record holds no measurement of harm to nature.

    Record

    • Insufficient One source list flags the A$212.5m total as an unverified press figure; the Law Society Journal entry is marked as verified and is the basis here.
    • Unclear Whether the foam makers paid anything toward the clean-up is not recorded beyond the suit.
    • None on record The forum and any decisions in the class actions are not named in the sources reviewed.
    • None on record The extent of contamination at each base is not quantified.

    Did the harm stop?

    Not stated in the sources reviewed.

    Who paid?

    Not stated in the sources reviewed.

    Sources

    Voices on record: — Company or project— Government and regulators— Courts✓ Press and investigations— Communities and civil society— Researchers

    Connected cases

    Related matters, and cases linked to this one through the same organisations, with the role each played in both.

    Science and environment

    PFOA (C8) and PFAS
    PFAS are a large family of human-made chemicals that persist in the environment and the body; PFOA, also called C8, is one of them and was used to make Teflon.

    Law and courts

    Class action
    A single lawsuit brought on behalf of a large group of people with similar claims.