Pesticides
- 2013 – Nebo Road Treated Water (Mackay, Queensland) – Pesticides Atrazine and Diuron
- 2016/17 – Tinaroo Park (Queensland) – Pesticide (Thiometon), Colour
- 2014/18 – Condamine (Queensland) – E.coli, Trichloroacetic Acid, Chlorate, Colour, Turbidity, Pesticide, Trihalomethanes
- 2015/18 – Biloela (Queensland) – E.coli, Turbidity, Colour, Taste & Odour, Pesticides
- 1989 – Pacific Palms (New South Wales) – Pesticides: Aldrin, Dieldrin
- 1994 – Mulwala (New South Wales) – Pesticide: Molinate
- 2005 – Kerang Channel 14/2 (Victoria) – Pesticide: Esfenvalerate
- 2007 – Wingcaribee Treatment Plant (New South Wales) – Pesticide: Triclopyr
- 1998: South Para Reservoir (South Australia) – Pesticide: Atrazine
- 1986/7 – Coffs Harbour (New South Wales) – Pesticide: Dieldrin
- 1998: Warren Reservoir (South Australia) – Pesticide: Atrazine
- 1972 August – Swan Hill (Victoria) – Pesticide (Amitrole)
- 1972 August – Nathalia (Victoria) – Pesticide (Amitrole)
- 1994 – Dianella (Western Australia) – Pesticides
- 1989 – Dundurrabin Dam (NSW) – Pesticides
- 2003 May – Wurdee Boluc Reservoir (Victoria) – Pesticide: 2,4-D
- 2011 December – Candowie Reservoir (Victoria) – Monocrotphos (Pesticide)
- 2010/12 + 2018/19: Barmah (Victoria) – E.coli, Dichloroacetic Acid, Trichloroacetic Acid, Chloral Hydrate, Pesticide, Iron
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