On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

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Keith Kana, Ngaati Mahuta

Two Tahaaroa lake monitoring waananga have been held with Ngaati Mahuta. An inaugural waananga was held in November 2023 for the hapuu and a second waananga (pictured) was held in April 2024 for the Tahaaroa Lakes Trustees.