Government Appoints Independent Team to Investigate Moa Point Wastewater Plant Failure

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ByCharlie McMillan

March 12, 2026

The Government has appointed a specialised review team to investigate the serious failure at Wellington’s Moa Point wastewater treatment plant, with the aim of determining what caused the breakdown and ensuring similar issues do not occur again.

Local Government Minister Simon Watts announced the formation of the Crown Review Team, stating that residents deserve clear answers following the incident and reassurance that critical infrastructure will be properly managed in the future.

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The investigation will be led by Raveen Jaduram, the former chief executive of Watercare and current chair of the national Water Services Authority. He will be joined by legal experts Helen Atkins and Michael Weatherall, along with senior infrastructure engineer Garry Macdonald.

According to the Government, the review will examine the circumstances that led to the plant’s failure and identify changes needed to strengthen oversight and operational management of the facility.

To ensure a thorough assessment, the team has been formally appointed in relation to both Wellington City Council and Wellington Water Limited. Although the review will operate under two separate sets of terms of reference, the team will work together as a single investigative unit. This approach is intended to avoid duplication and provide a clear and coordinated understanding of the issues involved.

The review team will operate until 31 August 2026, with a final report expected before that date. An interim report is also anticipated before 1 July, when Wellington’s water infrastructure, including the Moa Point facility, is scheduled to transfer to the new council-controlled water organisation Tiaki Wai Limited.

Once the investigation concludes, the Local Government Minister will present the findings to Cabinet, along with any recommended actions that may arise from the review.

The Government has also acknowledged that the investigation may run at the same time as a separate inquiry by Greater Wellington Regional Council, which is acting in its role as environmental regulator under the Resource Management Act.

Officials say the Crown review will be conducted in a way that does not interfere with any regulatory processes or enforcement actions that may occur as a result of the regional council’s work.

The Government has indicated that the findings of the investigation will be released publicly once the process is complete, provided this does not compromise any ongoing legal, regulatory, or commercial matters.


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