Unspecified
- 31/7/23: Clarrie Hall Dam. Blue Green Algae
- 2018/2021: Ross River Dam (Queensland). Cyanobacteria
- 2019 March – Louth (NSW) – Blue Green Algae, Turbidity, Colour, Taste and Odour
- 2021 January: Kangaroo Valley WFP (NSW). Algae
- 2020/21 – Lake Nepean (New South Wales) – Algae, Colour, Turbidity, Managanese
- 2020: Wingecarribee Water Filtration Plant. Giardia, Cyanobacteria
- 27/3/22: Boundary Bend (Victoria). Blue Green Algae
- 2022 March: Wood Wood (Victoria). Blue Green Algae
- 26/1/18: Innaminka (South Australia). Algae and water supply running dry
- 2009 April – Torrumbarry Weir (NSW/Vic) – Blue Green Algae
- 2009 April – Tooleybuc (Victoria) – Blue Green Algae
- 2009 April – Lake Mulwala (NSW/Vic) – Blue Green Algae
- 2009 March: Lake Hume (Vic/NSW). Blue Green Algal Bloom
- 2020 August: Coxs River (NSW) Source of BGA Nutrients
- 2019 December: Blue Green Algae Warning for Lake Eppalock
- 2016/22 – Marian (Queensland) – Cyanobacteria, Lead, Chloride, Turbidity, Iron, Nickel
- 2007/2019 – Warragamba Dam (NSW) – Algal Blooms, Sediment and Ash Concerns
- 2018/19 – Goulburn Weir (Victoria) – Blue Green Algae
- 2018/19 – Tongala (Victoria) – Blue Green Algae
- 2018/19 – Kyabram (Victoria) – Blue Green Algae
- 2015/2019 – Pooncarie (NSW). Blue Green Algae, Poor quality water
- 2019 February: Copeton Dam (NSW) – Blue Green Algae
- 2019 January: Mannus Lake (NSW) – Blue Green Algae
- 2019 February – Lake Cooby Toowoomba (Qld) – Cyanobacteria
- 2019 February – Bray Park Weir (NSW) – Blue Green Algae, Taste & Odour
- 2019 January – Trevallyn & Tolarno Stations (NSW) – Blue Green Algae, Taste & Odour
- 2019 April – Tibooburra (NSW) – Blue Green Algae
- 2019 March – Tilpa (NSW). Blue Green Algae, Taste, Odour, Colour
- 2012 August – Gunbower Creek (Victoria) – Blue Green Algae
- 2019: Pooncarrie (New South Wales) – Blue Green Algae, Sodium
- 2019 February: Lake Wyangan (New South Wales) – Blue Green Algae
- 2019 February: Lake Cargelligo (New South Wales) – Blue Green Algae
- 2019/23: Menindee (NSW) – Blue Green Algae, Fish Kills, Foul Tasting Water, Motor Neuron Disease?, Trihalomethanes, Total Dissolved Solids
- 2006-2017 – Kempsey (New South Wales) – Cyanobacteria, E.coli, Lead, Aluminium, Turbidity, Iron, Copper
- 1998 + 2016/21 – Prospect WFP (New South Wales) – Cryptosporidium, Giardia, Algae
- 2018/21 – Griffith/Lake Wyangan (NSW) Toxin Linked to Motor Neuron Disease Found in Australian Algal Blooms.
- 2013 May – Campaspe Reservoir (Victoria) – Blue Green Algae
- 2014/15 – Quambatook Storage (Victoria) – Blue Green Algae
- 2013/15 – Lake Lonsdale (Victoria) – Blue Green Algae
- 2013/14 – Lake Taylor (Victoria) – Blue Green Algae
- 2013/15 – Toolondo Reservoir (Victoria) – Blue Green Algae
- 2012/15 – Green Lake (Victoria) – Blue Green Algae
- 2016 February – Ewens Hill Reservoir – Blue Green Algae
- 2014/15 – Albert Park – Warrnambool (Victoria) – Blue Green Algae
- 2014/15 – Warrnambool – Brierly Basin (Victoria) – Blue Green Algae
- 2011 – April/May – Woodglen Storage Reservoir (Victoria) – Cyanobacteria Bloom
- 2015/16 – Heyfield (Victoria) – Blue Green Algae, Turbidity, Iron
- 2008 Jan/May – Tarago Reservoir (Victoria) – Cyanobacteria Bloom
- 2006/7 – Lake Glenmaggie (Victoria) – Cyanobacteria Bloom
- 2005/6 – Macalister River (Victoria) – Cyanobacterial Bloom
- 2016/17 – Devon North (Victoria) – Cyanobacteria Bloom
- 2015/16 – Leongatha Raw Water Reservoirs Nos 3 & 4 (Victoria) – Cyanobacterial Bloom
- 2013 +2016/17 – Foster Dam & Foster Raw Water Basin (Victoria) – Cyanobacterial Blooms
- 2013 + 2016/17 – Little Bass Reservoir & Poowong Raw Water Reservoir (Victoria) – Cyanobacterial Blooms
- 2013/17 – Korumburra Reservoirs No.1 & 3. (Victoria) – Cyanobacterial Blooms
- 2013 Feb/Mar – Agnes River (Victoria) – Cyanobacterial Bloom
- 2013 February – Cooks Dam – Agnes (Victoria) – Cyanobacetrial Bloom
- 2013/17 – Lance Creek Reservoir (Victoria) – Cyanobacterial Blooms
- 2005/14: Simpson (Victoria) – Blue Green Algae, Aluminium, Chloral Hydrate
- 2010/11 + 2019: Red Cliffs (Victoria) – Blue Green Algae, Trihalomethanes
- 2010/11: + 2017/19 Dookie (Victoria) – Chloral Hydrate, Iron, Blue Green Algae