Giardia
- 2017/18 – Draper Road Reservoir, Gordonvale (Queensland) – Cryptosporidium, Giardia
- 2007 June: Upper Canals Prospect Reservoir (New South Wales). Cryptosporidium, Giardia
- 1998: Greenacre (NSW), Cryptosporidium, Giardia
- 1998: College Street, Sydney (NSW). Cryptosporidium, Giardia
- 1998: Macquarie Street, Sydney (NSW). Cryptosporidium, Giardia
- 2018: Crown Street Reservoir (New South Wales). Crytosporidium, Giardia
- 1998: Sydney Hospital (New South Wales). Cryptosporidium, Giardia
- 1998: Potts Hill Reservoir (New South Wales). Cryptosporidium, Giardia
- 2018 November – Chichester Dam (New South Wales) – Giardia
- 2016/17 – Murrumbidgee River (ACT) – Cryptosporidium, Giardia
- 1998 + 2016 June – Prospect WFP (New South Wales) – Cryptosporidium, Giardia
- 2016 Aug – North Richmond WFP (New South Wales) – Cryptosporidium, Giardia
- 2016/18 – Babinda (Queensland) – Giardia, Cryptosporidium, pH
- 2016/17 – Bartle Frere (Queensland) – Cryptosporidium, Giardia, pH, Turbidity
- 2012/17 – Mount Morgan Water Treatment Plant (Queensland) – Giardia, E.coli, Turbidity, Aluminium
- 2015/18 – Paluma (Queensland) – Giardia, Cryptosporidium, Chlorate, Trihalomethanes, Turbidity, Iron
- 1998/2010: Sydney (New South Wales) – Giardia and Cryptosporidium
- 1998 August: Hope Valley Reservoir (South Australia) – Giardia
- 1998 July – September: (Sydney) – Cryptosporidium, Giardia
- 2010: Kurnell Desalinisation Plant. Ecoli
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