Aluminium - acid soluble
Aluminium may be present in water through natural leaching from soil and rock, however there’s no risk to health, and no health limits are set out in the Australian Drinking Water Guidelines. If excess aluminium salts (for example, alum) are left over after they’re used as part of the cleaning and treatment process this can sometimes alter the water’s appearance, making it a slightly milky colour. We closely monitor the treatment process to ensure aluminium - acid soluble levels are as low as possible. The national aesthetic limit is 0.2 milligrams per litre.
