Performance of chemical parameters in drinking water is assessed using the health values outlined in the Australian Drinking Water Guidelines 2011 (ADWG) and include, but are not limited to: arsenic, bromate, chlorine, copper, fluoride, iron, lead, manganese, nickel, nitrate, nitrite, sulphate, trihalomethanes.
Performance is deemed satisfactory if the 95th percentile value is less than the ADWG health guideline value.
In drinking water, lead can be present due to dissolution from:
- dissolution from natural sources (we test and report on lead concentrations in our annual water quality performance reports);
- household plumbing such as service line and customer fittings or lead solder (if you think your internal plumbing may be contributing to metals in your drinking water, you can have your water professionally tested by our NATA accredited laboratory);
- network pipework (Unitywater does not have any lead pipes in our infrastructure, however we do test and report on lead concentrations in our annual water quality reports).