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NSW Health advises that manganese is unlikely to cause any health issues.

The Australian Drinking Water Guidelines values for manganese are as follows:

  • Guideline health value – 0.5 mg/litre
  • Guideline aesthetic value – 0.1 mg/litre

Council’s operational target value for manganese is 0.02 mg/litre

Ongoing testing confirms that water leaving the water treatment plant has not exceeded 0.05 mg/litre (10 times lower than the guideline health value).