The fluoride status of Karratha's public water supply, who decides, and how to check it yourself. Page last updated 6 November 2026.
On the WA Health fluoridated list.
Water Corporation is looking at seawater desalination near Karratha and Port Hedland to meet demand beyond 2030.
Health authorities, including the NHMRC, recommend drinking fluoridated tap water to reduce tooth decay. Some residents prefer to reduce their intake, and that's a personal choice.
Law: Fluoridation of Public Water Supplies Act 1966
Who decides: Health Minister, on advice of an advisory committee.
Coverage: about 94% of residents (2025). First fluoridated: Perth, 1968.
0.72 mg/L (2024-25 mean, 53 samples), according to Water Corporation 2024-25 North West tables. Fluoridated supplies in Australia target 0.6 to 1.1 mg/L, and the health guideline maximum is 1.5 mg/L.
Yes. Fluoride is added to Karratha's water. On the WA Health fluoridated list.
Health Minister, on advice of an advisory committee.
Look up Water Corporation's annual drinking water quality report, which lists fluoride in mg/L by supply zone. You can also ask the utility for monthly readings.
No. Boiling leaves the fluoride behind and slightly concentrates it. Reverse osmosis, distillation and activated alumina filters remove fluoride. Read more.