Arsenic
- 2009/11 – Kybrook Farm (Northern Territory) – Arsenic
- 2015/17 – Chillagoe (Queensland) – Lead, Arsenic
- 2015/16 – Croydon (Queensland) – Arsenic
- 2011/12 + 2018 – Horn Island (Queensland) – Cryptosporidium, E.coli, Arsenic, Temperature
- 2007/17 – Belyuen (Northern Territory) – E.coli, pH, Arsenic
- 2005/6 – Darlington (Victoria) – E.coli, Arsenic
- 2007/9: Parilla (South Australia) – Arsenic
- 2001/3 + 2016/17: Lameroo (South Australia) – Arsenic, Antimony, Chloride, Chlorate, Sodium
- 2010/11: Nathalia (Victoria) – Chloral Hydrate, Arsenic
- 2007/17: Beswick (Northern Territory). E.coli, Antimony, Arsenic, Hardness
- 2006/17: Nauiyu Nambiyu/Daly River (Northern Territory) – E.coli, Arsenic, Turbidity, Iron, Manganese
- 2001/04: Penola (South Australia) – Arsenic
- 2003/6 + 2009/16: Merino (Victoria) – Arsenic, Hardness, Turbidity, Aluminium
- 2006-16: Macarthur (Victoria). Arsenic, Hardness, Chloride, Sodium, Total Dissolved Solids, Chlorine
- 2004/12 + 2016/17: Pine Creek (Northern Territory) – E.coli, Arsenic, Iodine, Radioactive
- 2010: Royal George (Tasmania). Lead, Cadmium, Arsenic
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