Western Australia
- 5/2/24: Darlngunaya (Western Australia). No drinking water
- 2020/21: Rottnest Island (Western Australia). Bromate, Iron, pH, Nickel
- 2022/2023: Wanneroo (Western Australia). E.coli
- 2022/23: Hyden (Western Australia). pH
- 2022/23: Porongurup (Western Australia). Hardness, Total Dissolved Solids
- 2022/23: Spencers Brook (Western Australia). pH
- September 2023: Leinster (Western Australia). Nitrate
- Feb/April 2023: Serpentine Dam (Western Australia). Perth Drinking Water Supply Threatened by Mining
- 2003 – 2008: Fitzroy Crossing (Western Australia). E.coli Raw Water
- 2015: Harding Dam (Western Australia). Potential contamination
- 2021/22: Legionella found at Sir Charles Gairdner Hospital
- 22/10/22: Legionella Alert – Perth’s Mount Hospital
- 29/7/21: Cockatoo Springs/Ngunulum (Western Australia) – Drinking Water Quality Questioned
- 7/9/21: Near Bidyadanga (Western Australia) – Dirty Water Despair
- 2019/23: York (Western Australia). pH
- 2019/20: Wyalkatchem (Western Australia). pH
- 2019/23: Shackleton (Western Australia). pH
- 2019/20: Seabird (Western Australia). Total Dissolved Solids
- 2019/20: Pemberton (Western Australia). E.coli
- 2019/20: Koorda (Western Australia). pH
- 2019/20: Greater Meckering (Western Australia). pH
- 2017/23: Greater Doodlakine (Western Australia). pH
- 2019/20: Greater Burracoppin (Western Australia). pH
- 2019/20: Goornalling (Western Australia). pH
- 2019/20: Bencubbin (Western Australia). pH
- 2019: Crocodile Hole (Western Australia). Uranium, Fluoride
- 2012/14 + 2018/20: Yulga Jinna (Western Australia). Nitrate, E.coli
- 2012/14 + 2018/20: Warralong (Western Australia). E.coli, Naegleria Species
- 2012/14: Wakathuni (Western Australia). E.coli, Naegleria Species
- 2012/14: Youngaleena (Western Australia). Naegleria Species
- 2012/14 + 2018/20: Wandanooka (Western Australia). Naegleria Species
- 2012/14: Punmu (Western Australia). Naegleria Species
- 2012/14 + 2018/20: Punju Ngamal (Western Australia). E.coli, Naegleria Species
- 2012/14: Yandeyarra (Western Australia). Uranium
- 2012/14 + 2018/20: Pia Wadjari (Western Australia). Uranium, Naegleria Species
- 2012/14 + 2018/20: Parnngurr (Western Australia). Uranium, Naegleria Species
- 2012/14 + 2018/20: Ngurawaana (Western Australia). E.coli, Naegleria Species
- 2012/14 + 2018/20: Kunawarritji (Western Australia). Nitrate
- 2018/23: Kiwirrkurra (Western Australia). Nitrate, Uranium, Fluoride
- 2012/14 + 2018/20: Jinparinya (Western Australia). Naegleria Species
- 2012/14: Innawonga (Western Australia). Naegleria Species
- 2012/14: Barrel Well (Western Australia). E.coli
- 2012/14: Yiyili (Western Australia). E.coli
- 2012/14: Yakanarra (Western Australia). Naegleria Species
- 2018/20: Wurrenranginy (Western Australia). Naegleria Species
- 2012/14: Woolah (Western Australia). E.coli, Naegleria Species
- 2012/14 + 2018/20: Warmun (Western Australia). Naegleria Species
- 2012/14 + 2023: Wangkatjungka (Western Australia). E.coli, Naegleria Species
- 2012/14: Noonkanbah (Western Australia). Naegleria Species
- 2012/24: Ngumpan (Western Australia). Naegleria Species, E.coli
- 2012/14: Ngalingkadji (Western Australia). Naegleria Species
- 2012/14 + 2018/20: Mulan (Western Australia). Nitrate
- 2012/14: Moongardie (Western Australia). E.coli, Naegleria Species
- 2012/14: Mindibungu (Western Australia). E.coli, Naegleria Species
- 2012/14: Mandangala (Western Australia). E.coli, Naegleria Species
- 2012/14: Looma (Western Australia). E.coli, Naegleria Species
- 2012/14: Lombadina (Western Australia) – E.coli
- 2012/14: Lamboo Gunian (Western Australia). Naegleria Species
- 2012/14 + 2018/20: Ladjardarr Bay (Western Australia). E.coli, Naegleria Species
- 2018/20: Kupartiya (Western Australia). E.coli, Naegleria Species
- 2012/2014 + 2018/2020: Kandiwal (Western Australia). E.coli, Naegleria Species
- 2012/14 + 2018/20: Kadjina (Western Australia). E.coli, Naegleria Species
- 2012-14: Jimbalakadunj (Western Australia) – E.coli
- 2012/14: Jarimadangah (Western Australia). E.coli, Naegleria Species
- 2012-14: Galeru Gorge (Western Australia). Naegleria Species
- 2012-14 + 2018/20: Dodnun (Western Australia). E.coli, Naegleria Species
- 2012-14: Djugerari (Western Australia). Naegleria Species
- 2012-14: Budgarjook (Western Australia). E.coli, Naegleria
- 2012/14: Bow River (Western Australia). E.coli, Naegleria Species, Uranium
- 2012/14 + 2018/20: Bobieding (Western Australia). E.coli, Naegleria Species
- 2012/14: Bayulu (Western Australia). E.coli
- 2012/14 + 2018/20: Balgo (Western Australia). Nitrate, Naegleria Species
- 2012/14: Warakurna (Western Australia). Naegleria Species
- 2012/14 + 2018/20: Tjukurla (Western Australia). Nitrate, Naegleria Species
- 2012/14 + 2018/20: Tjirrkarli (Western Australia). Nitrate, Naegleria Species
- 2012/14 + 2018/21: Mulga Queen (Western Australia). Nitrate, E.coli, Naegleria Species
- 2011/15 – Yeelirrie (Western Australia) – Uranium
- 2016/17 – Wandering (Western Australia). Iron
- 2016/19 – Wagin (Western Australia). Iron
- 2017/23 – Toodyay (Western Australia). pH
- 2015/16 – Tambellup (Western Australia). pH
- 2016/18 – Shackelton (Western Australia). pH
- 2014/20 – Seaview Park (Western Australia) – Hardness
- 2016/23: Seabrook (Western Australia). pH
- 2015/20 – Pithara (Western Australia). pH
- 2016/19 – Onslow (Western Australia) – Hardness
- 2017/19 – Neerabup (Western Australia). Hardness
- 2017/18 – Mullalyap (Western Australia) – Chloride
- 2016/20 – Miling (Western Australia). pH
- 2017/20 – Merredin (Western Australia). pH
- 2016/17 – Manjimup (Western Australia). Iron
- 2014/18 – Lake Grace (Western Australia). pH
- 2015/16 – Kukerin (Western Australia). pH
- 2017/18 – Koorda (Western Australia). pH
- 2015/23 – Jennacubbine (Western Australia). pH
- 2017/20 – Greater Bodalin (Western Australia). pH
- 2017/18 – Goomalling (Western Australia). pH
- 2007/09 + 2014/20 – Denmark (Western Australia). Sodium, Chloride, Silica, Total Dissolved Solids
- 2015/18 – Dallwallinu (Western Australia). pH
- 2015/20 – Carnarvon (Western Australia). Hardness, Total Dissolved Solids, Chloride
- 2015/16 – Cadoux (Western Australia). pH
- 2015/23 – Buntine (Western Australia). pH
- 2016/17 – Binningup (Western Australia). pH
- 2017/23 – Bindi Bindi (Western Australia). pH
- 2009/10 + 2016/23 – Beacon (Western Australia). Iron, pH
- 2016/17 – Armadale/Kelmscott (Western Australia) – E.coli
- 2016/20 – Ardath (Western Australia). pH
- 2015/16 – Allanson (Western Australia). Thermophilic Naegleria
- 2013/20 – Wongan Hills (Western Australia). pH
- 2011/23 – Wellstead (Western Australia). E.coli, pH, Hardness, Total Dissolved Solids
- 2010/20 – Roebourne (Western Australia). Thermophlic Naegleria, Hardness, Total Dissolved Solids
- 2011/23 – Pingaring (Western Australia). pH, Trihalomethanes
- 2011/15 + 2019/23 – Munglinup (Western Australia) – pH, Hardness, Total Dissolved Solids
- 2013/14 – Marvel Loch (Western Australia). Thermophilic Naegleria
- 2013/23 – Leeman (Western Australia). Chloride
- 2013/23 – Greenhead (Western Australia). Chloride
- 2011/16 – Frankland (Western Australia). pH
- 2013/16 + 2022/23 – Dunsborough (Western Australia). Total Dissolved Solids
- 2013/14 + 2017/18 – Donnybrook (Western Australia). Aluminium, Chloride
- 2011/18 – Broome (Western Australia). Silica, pH
- 2010/23 – Rocky Gully (Western Australia). Hardness, Iron, Total Dissolved Solids
- 2013/14 + 2017/20 – Popanyinning (Western Australia) – Iron
- 2013/14 + 2017/18 – Narrogin (Western Australia). Iron
- 2010/12 – Mt Eliza (Western Australia). Iron, Total Dissolved Solids
- 2017/23 – Moora (Western Australia). Iron, Chloride, Total Dissolved Solids
- 2011/20 – Katanning (Western Australia) – Turbidity, Iron
- 2010/12 + 2017/18 – Highbury (Western Australia). Iron
- 2013/14 + 2022/23 – Greenmount (Western Australia). Iron
- 2010/11 – Gingin (Western Australia). Iron
- 2013/16 – Cuballing (Western Australia). Iron
- 2013/14: Buckland Hill (Western Australia). Iron
- 2008/23 – Morowa (Western Australia) – Total Dissolved Solids, Chloride, Sodium
- 2008/23 – Badgingarra (Western Australia) – Total Dissolved Solids, Sodium, pH
- 2019 Feb/April: Hammersley Street Esperance (Western Australia) – PFAS
- 2009/10 – Calingari (Western Australia) – Total Dissolved Solids
- 2009/20 – Bolgart (Western Australia) – Total Dissolved Solids, Sodium, Chloride
- 2009/23 – Dudinin (Western Australia) – Iron, pH
- 2009/11 + 2019/20: Jerramungup (Western Australia) – Aluminium, Hardness, Total Dissolved Solids
- 2009/20 – Trayning (Western Australia) – pH
- 2009/20 – Nungarin (Western Australia) – pH
- 2009/16: Woodanilling (Western Australia) – Iron, Turbidity
- 2009/10 – Nyabing (Western Australia) – Turbidity, Iron
- 2009/10 + 2019/23: Dalwallinu (Western Australia) – Iron, pH
- 2009/10: West Yokine (Western Australia) – Iron
- 2009/17: Mt Yokine (Western Australia) – Iron, Total Dissolved Solids, Sodium
- 2009/10: Tamworth Hill (WA) – Thermophilic Naegleria detection
- 2018/19 – Buttah Windee (Western Australia) – Uranium
- 2008/23 – Yuna (Western Australia) – Total Dissolved Solids, Chloride, Sodium, Turbidity, Iron
- 2008/23 – Three Springs (Western Australia) – Total Dissolved Solids, Chloride, Sodium
- 2008/23 – Perenjori (Western Australia) – Total Dissolved Solids, Chloride, Sodium
- 2008/23 – Nabawa (Western Australia) – Total Dissolved Solids, Chloride, Sodium, Nitrate
- 2008/23 – Mullewa (Western Australia) – Total Dissolved Solids, Chloride, Sodium
- 2008/23 – Mingenew (Western Australia) – Total Dissolved Solids, Chloride, Sodium
- 2008/23 – Geraldton (Western Australia) – Total Dissolved Solids, Chloride, Sodium, Iron, Turbidity
- 2008/23 – Eneabba (Western Australia) – Total Dissolved Solids, Chloride, Sodium
- 2008/23 – Dongara/Denison (Western Australia) – Total Dissolved Solids, Chloride, Sodium, Iron
- 2008/23 – Coorow (Western Australia) – Total Dissolved Solids, Sodium, Chloride
- 2008/23 – Carnamah (Western Australia) – Total Dissolved Solids, Sodium, Chloride, Hardness
- 2008/23 – Calingiri (Western Australia) – Total Dissolved Solids, Hardness, Sodium, Chloride
- 2008/23 – Latham (Western Australia) – pH, Total Dissolved Solids, Chloride, Sodium
- 2008/17 + 2022/23 – Piawaning (Western Australia) – Iron, Total Dissolved Solids, Chloride, Sodium
- 2008/23 – Dandaragan (Western Australia) – Iron, Total Dissolved Solids, Chloride
- 2008/12 – Gascoyne Junction (Western Australia) – Hardness, Total Dissolved Solids
- 2007/23 – Cervantes (Western Australia) – Hardness, Total Dissolved Solids, Chloride, Sodium
- 2008/20 – Karratha (Western Australia) – Hardness, Total Dissolved Solids
- 2008/20 – Burrup LNG +Supply (Western Australia) – Hardness, Total Dissolved Solids
- 2008/9 – Logue Brook (Western Australia) – pH
- 2008/9 – Nannup (Western Australia) – Aluminium
- 2008/14 – Newdegate (Western Australia) – Iron, Colour
- 2008/20 – Cranbrook (Western Australia) – Hardness
- 2008/14 + 2017/23 – Corrigin (Western Australia) – pH
- 2008/23 – Salmon Gums (Western Australia) – Hardness, Total Dissolved Solids, pH
- 2008/23 – Mukinbudin (Western Australia) – Thermophilic Naegleria, pH
- 2008/9 + 2014/15 – Mt Hawthorn (Western Australia) – Iron, Total Dissolved Solids
- 2008/10 – Lexia (Western Australia) – Trihalomethanes, Hardness
- 2008/9 – Bold Park (Western Australia) – Thermophlic Naegleria
- 2018 March – Perth Optus Stadium Fountains (Western Australia) – Lead
- 2012/14 + 2018/20 – Kutkabubba (Western Australia) – Nitrate, Naegleria Species
- 2012/17 – Jigalong (Western Australia) – Nitrate, E.coli, Naegleria Species
- 2012/14 + 2018/20 – Burringurrah (Western Australia) – Nitrate, E.coli, Naegleria Species, Uranium
- 2012/14 + 2018/20 – Wingellina (Western Australia) – Nitrate, Naegleria Species
- 2012/14 + 2018/20: Wanarn – Wannan (Western Australia) – Nitrate, E.coli, Naegleria Species
- 2012/14 + 2018/21 – Warburton (Western Australia) – Nitrate, E.coli, Naegleria Species
- 2012/14 + 2018/20 – Blackstone (Western Australia) – Nitrate, Naegleria Species
- 2012/14 + 2018/20: Patjarr (Western Australia) – Nitrate, E.coli, Naegleria Species
- 2012/14 + 2018/21 – Mount Margaret (Western Australia) – Nitrate, E.coli, Naegleria
- 2012/14 + 2018/20 – Cosmo Newberry (Western Australia) – Nitrate, Naegleria Species
- 2012/19 – Jameson (Western Australia) – Nitrate
- 2012/21 – Pandanus Park (Western Australia) – Nitrate, Naegleria Species
- 2012/14 + 2018/20 – Tjuntjuntjara (Western Australia) – Uranium, Nitrate
- 2012/14 + 2018/20 – Koorabye (Western Australia) – Naegleria fowleri, E.coli
- 2017/18 – Perth Children’s Hospital (Western Australia) – Lead, Legionella
- 1994 – Dianella (Western Australia) – Pesticides
- 2007/20 – Nullagine (Western Australia) – Hardness, Total Dissolved Solids
- 2007/12 + 2016/17- Newman (Western Australia) – Hardness, Total Dissolved Solids
- 2007/23 – Marble Bar (Western Australia) – Hardness, Total Dissolved Solids, Chloride, Sodium
- 2007/23 – Hedland (Western Australia) – Hardness, Total Dissolved Solids
- 2007/23 – Halls Creek (Western Australia) – Hardness, Total Dissolved Solids, Sodium
- 2007/8 + 2013/20 – Wickham (Western Australia) – Trihalomethanes, Hardness, Total Dissolved Solids
- 2007/23 – Point Samson (Western Australia) – Trihalomethanes, Hardness, Total Dissolved Solids
- 2007/23 – Cape Lambert (Western Australia) – Trihalomethanes, Hardness, Total Dissolved Solids
- 2007/12 – Derby (Western Australia) – Naegleria fowleri
- 2007/9 – Lake Grace (Western Australia) – pH
- 2007/14 + 2022/23 – Kulin (Western Australia) – pH
- 2007/14 – Dumbleyung (Western Australia) – pH
- 2007/18 – Bullaring (Western Australia) – pH, Iron
- 2007/18 – Yealering (Western Australia) – Triahlomethanes, Iron, pH
- 2007/20 – Tincurrin (Western Australia) – Iron
- 2007/23 – Harrismith (Western Australia) – Iron, pH, Turbidity
- 2007/23 – Narrikup (Western Australia) – Hardness, Iron, Total Dissolved Solids
- 2007/23 – Mt Barker (Western Australia) – Hardness, Total Dissolved Solids, Iron
- 2007/23 – Kendenup (Western Australia) – E.coli, Hardness, Total Dissolved Solids, Turbidity, Iron
- 2007/23 – Hopetoun (Western Australia) – Hardness, Total Dissolved Solids, Chloride, Sodium, Silica
- 2007/23 – Bremer Bay (Western Australia) – Hardness, Total Dissolved Solids, Sodium
- 2007/23 – Albany (Western Australia) – Hardness, Iron, Total Dissolved Solids, Silica
- 2007/8 + 2018/23 – Ravensthorpe (Western Australia) – Trihalomethanes, Total Dissolved Solids, Chloride
- 2007/8 – Nyabing (Western Australia) – Thermotolerant Coliforms
- 2007/8 – Quinninup (Western Australia) – Total Dissolved Solids
- 2007/11 – Park Ridge (Western Australia) – pH
- 2007/8 – North Dandalup (Western Australia) – pH
- 2007/8 + 2018/20 – Margaret River (Western Australia) – Iron, pH
- 2007/12 + 2017/23 – Darkan (Western Australia) – E.coli, pH, Trihalomethanes
- 2007/8 – Greenbushes (Western Australia) – Iron
- 2007/8 – Dalyellup (Western Australia) – Iron
- 2007/8 + 2019/20 – Cowaramup (Western Australia) – Iron
- 2007/9 – Brunswick Junction (Western Australia) – Iron
- 2007/11 – Balingup (Western Australia) – Iron, Total Dissolved Solids
- 2007/23 – Preston Beach (Western Australia) – Hardness, Total Dissolved Solids, Chloride, Sodium
- 2007/12 – Augusta (Western Australia) – Hardness, Total Dissolved Solids, Chloride
- 2007/8 + 2017/18 – Walpole (Western Australia) – Aluminium, Colour, Silica
- 2007/8 + 2014/15 – Myalup (Western Australia) – Aluminium, pH
- 2007/8 – Mullalyup (Western Australia) – Aluminium, Iron, Manganese, Turbidity
- 2007/10 + 2016/17 – Dwellingup (Western Australia) – Aluminium, Iron
- 2007/20 – Laverton (Western Australia) – Total Dissolved Solids, Nitrate
- 2007/23 – Condingup (Western Australia) – Total Dissolved Solids, Sodium, Chloride, Silica
- 2007/10 + 2017/23 – Ballidu (Western Australia) – Total Dissolved Solids, Iron, pH
- 2007/8 + 2017/23 – Wubin (Western Australia) – pH
- 2007/20 – Ora Banda (Western Australia) – pH, Turbidity
- 2007/18 + 2019/23 – Kununoppin (Western Australia) – Thermophilic Naegleria, pH
- 2007/14 + 2019/23 – Koolyanobbing (Western Australia) – Thermopylic Naegleria, pH
- 2007/23 – Grass Patch (Western Australia) – pH, Hardness, Total Dissolved Solids, Silica
- 2007/23 – Gibson (Western Australia) – pH, Total Dissolved Solids, Sodium
- 2007/23 – Dowerin (Western Australia) – pH
- 2007/8 – Cadoux (Western Australia) – pH
- 2007/23 – Bullfinch (Western Australia) – pH
- 2007/23 – Beverley (Western Australia) – pH
- 2007/16 – Menzies (Western Australia) – Hardness, Total Dissolved Solids, Nitrate
- 2007/23 – Leonora (Western Australia) – Hardness, Total Dissolved Solids, Nitrate
- 2007/8 – Kalgoorlie (Western Australia) – Thermotolerant Coliforms
- 2007/23 – Port Kalbarri (Western Australia) – pH, Total Dissolved Solids, Chloride, Sodium
- 2008/10 + 2014/23 – Yerecoin (Western Australia) – Iron, Total Dissolved Solids, Chloride, Hardness, Sodium
- 2007/23 – Horrocks (Western Australia) – Iron, pH, Total Dissolved Solids, Chloride, Sodium
- 2007/14 – Bindoon/Chittering (Western Australia) – Iron
- 2007/9 – Woodridge (Western Australia) – Hardness
- 2007/23 – Watheroo (Western Australia) – Hardness, Total Dissolved Solids, Iron
- 2007/23 – Sovereign Hills (Western Australia) – Hardness, Total Dissolved Solids, Chloride
- 2007/23 – Northampton (Western Australia) – Hardness, Total Dissolved Solids, Turbidity, Chloride, Iron, Sodium
- 2007/23 – Nilgen (Ocean Farms) (Western Australia) – Hardness, Total Dissolved Solids, Iron, Turbidity
- 2007/20 – Mt Magnet (Western Australia) – Nitrate, Hardness, Total Dissolved Solids, Chloride, Sodium, Silica
- 2007/23 – Ledge Point (Western Australia) – Hardness, Total Dissolved Solids
- 2007/23 – Lancelin (Western Australia) – Hardness, Total Dissolved Solids
- 2007/23 – Jurien Bay (Western Australia) – Hardness, Total Dissolved Solids, Chloride, Sodium
- 2007/23 – Guilderton (Western Australia) – Hardness, Total Dissolved Solids, Chloride, Sodium, Nitrate
- 2007/23 – Exmouth (Western Australia) – Hardness, Total Dissolved Solids, Chloride
- 2007/23 – Coomberdale (Western Australia) – Naegleria fowleri, pH, Total Dissolved Solids, Hardness, Iron, Chloride
- 2007/20 – Yanchep (Western Australia) – Hardness
- 2007/20 – Two Rocks (Western Australia) – Hardness
- 2003/4 + 2015/16: Pingelly (Western Australia) – Trihalomethanes, Iron
- 2003/4 + 2011/12: Brookton (Western Australia) – Trihalomethanes, Iron
- 2002/3: Ballingup (Western Australia) – Trihalomethanes
- 2006/2023: Esperance (Western Australia). Lead & Nickel in Rainwater Tanks, PFAS, Hardness, Total Dissolved Solids, Silica, Chloride
- 2004/18 + 2022/23: Yalgoo (Western Australia). Nitrate, Hardness, Total Dissolved Solids, Chloride, Silica
- 2004/23: Wiluna (Western Australia). Nitrate, Hardness, Total Dissolved Solids, Silica, Uranium
- 2004/20: Sandstone (Western Australia). Nitrate, Hardness, Total Dissolved Solids, Chloride, Sodium
- 2004/23: New Norcia (Western Australia). Nitrate, pH, Total Dissolved Solids, Chloride, Sodium, Hardness
- 2004/20: Meekatharra (Western Australia). Nitrate, Hardness, Total Dissolved Solids, Chloride, Sodium, Silica, Iron
- 2004/20: Cue (Western Australia). Nitrate, Hardness, Total Dissolved Solids, Chloride, Silica, Sodium
- test