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Posted by Allen Newton
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06 Aug, 2026
ICHTHYS LNG Pty Ltd is facing legal action over alleged under‑reporting of toxic emissions from its Darwin Harbour operations, with the Northern Territory Environment Protection Authority confirming it has started proceedings following a multi‑year investigation into the company’s reporting practices.
NT environment minister Joshua Burgoyne said the NT EPA, acting as an independent statutory regulator, had initiated prosecution after identifying significant discrepancies in emissions data submitted by Ichthys LNG.
While the matter is now before the courts and the minister declined to comment on specific allegations, he said the investigation formed part of a broader regulatory response to concerns about hydrocarbon management and air‑quality impacts in the Darwin region.
ABC reporting last week revealed the NT EPA had found Ichthys LNG had systematically underestimated emissions since the facility began operations, including major revisions to reported levels of benzene and toluene. In one instance, benzene emissions were revised from four tonnes to more than 500 tonnes, prompting the regulator to recommend strengthened licence conditions for LNG facilities across Darwin Harbour.
The NT EPA has proposed tighter limits on hot venting, continuous monitoring requirements and enhanced reporting obligations for both Inpex and Santos.
The Ichthys LNG plant is one of the largest industrial operators on Darwin Harbour, supporting LNG exports, offshore supply chains and tug and pilotage activity.
The prosecution signals a significant escalation in regulatory scrutiny of harbour‑based industrial operations, with potential implications for compliance costs, monitoring systems and future licence renewals.
Minister Burgoyne said the NT Government is also progressing legislation to establish a new air‑quality monitoring scheme, aimed at improving transparency around industrial emissions and providing the community with more accessible information on air‑quality conditions in the Darwin region.
He said the NT EPA’s decision to prosecute demonstrated that the regulator “is working appropriately, to protect the environment and the broader community of the NT”.
Ichthys LNG has not publicly commented on the charges. The case will proceed through the Darwin Local Court, where the company faces multiple counts of alleged under‑reporting. Each offence carries potential financial penalties under NT environmental law.
