The fluoride status of Mount Gambier's public water supply, who decides, and how to check it yourself. Page last updated 6 November 2026.
Fluoridated since October 2010, when it was described in Parliament as the last major SA centre without adequate fluoride. Only the Blue Lake source is dosed.
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.
6 November 2026: Confirmed fluoridated since October 2010.
Law: No Act. SA Water policy.
Who decides: SA Water and SA Health, by policy.
Coverage: about 90% of communities (2020). First fluoridated: Adelaide, 1971.
0.9 mg/L average (Oct 2025 to Sep 2026), according to SA Hansard, Oct 2010. Fluoridated supplies in Australia target 0.6 to 1.1 mg/L, and the health guideline maximum is 1.5 mg/L.
Fluoridated since 2010.
Yes. Fluoride is added to Mount Gambier's water. Fluoridated since October 2010, when it was described in Parliament as the last major SA centre without adequate fluoride. Only the Blue Lake source is dosed.
SA Water and SA Health, by policy.
Look up SA 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.