Tap Water Quality

Depending on what each water provider publishes, various parameters are available, with the most detailed information typically found in the "Drinking Water Quality Report." Here's a breakdown by region and relevant water providers: 

Western Australia have this report
 
South Australia

New South Wales

Victoria
Yarra Valley Water
Greater Western Water
South East Water

Queensland
Seqwater
Sunwater

Tasmania

Northern Territory

Australian Capital Territory




National Water Grid