The fluoride status of Wollongong's public water supply, who decides, and how to check it yourself. Page last updated 6 November 2026.
Supplied by Sydney Water.
Sydney Water targets 1.0 mg/L. All 172 fluoride samples in 2025-26 were within the 0.9 to 1.5 mg/L range.
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 1957
Who decides: Councils apply, NSW Health approves. Only the Health Secretary can approve stopping.
Coverage: about 93% of residents (2017). First fluoridated: Yass, 1956.
0.98 mg/L typical at tap (April to June 2026), according to Sydney Water Illawarra report, Q4 2025-26. 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 Wollongong's water. Supplied by Sydney Water.
Councils apply, NSW Health approves. Only the Health Secretary can approve stopping.
Look up Sydney Water'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.