Temporary stop to water fluoridation due to leak

Waiāri Water Treatment Plant. Photo: John Borren/SunLive.

A minor leak has been identified in a fluoride tank at Tauranga City Council’s Waiāri Water Treatment Plant, which requires repair.

From this week, Tauranga City Council said it will cease fluoride dosing at the Waiāri Water Treatment Plant for approximately six weeks while the tank is taken offline to be emptied, cleaned, repaired, tested and re-certified.


"During this time, fluoride levels will reduce across the Pāpāmoa coastal strip and Mount Maunganui," a spokesperson said.

This will primarily affect the fluoride levels in the water supply to residents east of Golf Road (Waiāri side).

"Residents can be assured that their water continues to be safe to drink."

The fluoride tank was installed and brought into operation in November 2024, when Council moved to comply with the Director-General of Health’s directive to fluoridate Tauranga’s water supply. The tank will be repaired under warranty.

"We are committed to keeping our residents informed and will advise the community when the tank is back online, and fluoride is re-introduced to the water supplied by the Waiāri Water Treatment Plant," a spokesperson said.

"The Ministry of Health has been advised of the leak, and our plans to rectify the issue."

The Waiāri Water Treatment Plant was brought into operation in December 2023

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