Cryptosporidium
- 2013 – Bramston Beach (Queensland). Cryptosporidium
- 2020/21 – Lake Nepean (New South Wales) – Algae, Colour, Turbidity, Managanese
- 2011/18: Horn Island (Queensland). Cryptosporidium, E.coli, Arsenic, Temperature
- 2019/20: Bendora Reservoir (A.C.T.) – Crytosporidium, Cyanobacteria, bushfire
- 2017/18 – Draper Road Reservoir, Gordonvale (Queensland) – Cryptosporidium, Giardia
- 2017 – Tidmarsh Road, Fishery Falls (Queensland) – Cryptosporidium
- 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
- 2019 June: Mount Stromlo Water Treatment Plant (ACT). Cryptosporidium
- 2018 – Hammond Island (Queensland) – Cryptosporidium
- 2009/11 + 2017/18 – Bega (New South Wales) – Cryptosporidium, Iron, Colour, Fluoride, Turbidity
- 2006-2017: Grafton (New South Wales) – Cryptosporidium (not confirmed)
- 2012 – Mt Stromlo (Australian Capital Territory) – Cryptosporidium (Raw Water)
- 2016/17 – Murrumbidgee River (ACT) – Cryptosporidium, Giardia
- 2013/20 – Googong Reservoir (Australian Capital Territory) – Cyanobacteria, Lead, Cryptosporidium
- 2017/2021 – Inlet Macarthur WFP (New South Wales) – Cryptosporidium, Iron
- 2016 June – Cascades WFP (New South Wales) – Cryptosporidium, E.coli
- 2016 June – Nepean WFP (New South Wales) – Cryptosporidium
- 2016 June – Warragamba WFP (New South Wales) – Cryptosporidium
- 1998 + 2016/21 – Prospect WFP (New South Wales) – Cryptosporidium, Giardia, Algae
- 2015/16 – Orchard Hills WFP (New South Wales) – Cryptosporidium
- 2016 Aug – North Richmond WFP (New South Wales) – Cryptosporidium, Giardia
- 2016/17 – Mirriwinni (Queensland) – Cryptosporidium
- 2013/2020 – Mountain View/Orchid Valley (Queensland) – Cryptosporidium, Iron, Turbidity, Colour
- 2013/2020 – Fishery Falls (Queensland) – Cryptosporidum, E.coli, Chlorine, pH
- 2014/18 – Babinda (Queensland) – Giardia, Cryptosporidium, pH
- 2016/17 – Bartle Frere (Queensland) – Cryptosporidium, Giardia, pH, Turbidity
- 2005 + 2016/17 – Toowoomba City (Queensland) – Cryptosporidium, Trihalomethanes, Manganese
- 2016/17 – Pechey (Queensland) – Cryptosporidium, Trihalomethanes
- 2015/20 – Paluma (Queensland) – Giardia, Cryptosporidium, Chlorate, Trihalomethanes, Lead, Turbidity, Iron
- 2011/12 + 2018 – Thursday Island (Queensland) – Cryptosporidium, E.coli
- 2007/21 – Corryong (Victoria) – E.coli, Cryptosporidium, Lead, Turbidity, Iron, Aluminium, Mercury
- 2007/11 +2014/17 – Myrtleford (Victoria) – E.coli, Enterococcus, Cryptosporidium, Aluminium, Turbidity
- 2007/10 + 2013/14 + 2019/20 – Tawonga (Victoria) – E.coli, Campylobacter, Enterococci, Cryptosporidium, Turbidity
- 1998 August: Myponga Reservoir (South Australia) – Cryptosporidium
- 1998/2010: Sydney (New South Wales) – Giardia and Cryptosporidium, Lead
- 2010 May: Cairns (Queensland) – Cryptosporidium
- 2012/16: Meeniyan (Victoria) – Cryptosporidium, Trihalomethanes, Aluminium
- 1998 July – September: (Sydney) – Cryptosporidium, Giardia
- 2010: Kurnell Desalinisation Plant. Ecoli
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