Northern Territory
- 2019/20: Wutunugurra (Northern Territory) – Uranium
- 2021/22: Milikapiti (Northern Territory) – pH
- 2021/22: Manyallaluk/Eva Valley (Northern Territory). pH, Lead
- 2022 June/July – Cossack (Northern Territory) – PFAS
- 2021 April: Changes to National Construction Code. Reductions in allowable limit of lead allowed in fittings
- 2016/17 – Finke (Northern Territory) – Hardness
- 2007/21 – Ampilatwatja (Northern Territory) – Hardness, Total Dissolved Solids, Iodine
- 2007/17 + 2021/23 – Dagaragu (Northern Territory) – Floods, No Drinking Water, Hardness
- 2016/22 – Wurrumiyanga (Northern Territory) – pH
- 2016/17 + 2020/21 – Nganmarriyanga (Northern Territory) – Manganese, Iron
- 2003/16 – Yulara (Northern Territory) – Nitrate, pH
- 2007/22 – Yuendumu (Northern Territory) – Uranium, Zinc, Hardness, Total Dissolved Solids, Chloride, Turbidity, Iodine
- 2007/22 – Yuelamu (Northern Territory) – Blue Green Algae, E.coli, Fluoride, Iodine, Aluminium, Iron, Sodium
- 2007/22 – Yirrkala (Northern Territory) – Turbidity, pH
- 2007/22 – Yarralin (Northern Territory) – E.coli, Hardness, Turbidity, Barium, Iron
- 2006/22 – Weemol (Northern Territory) – E.coli, Hardness
- 2007/22 – Warruwi (Northern Territory) – Aluminium, Manganese, Sodium, Iron, pH, Hardness, Total Dissolved Solids, Chloride
- 2006/22 – Wallace Rockhole (Northern Territory) – E.coli, Hardness, Iodine, Aluminium, Turbidity, Chromium
- 2007/22 – Umbakumba (Northern Territory) – pH
- 2006/17 – Titjikala (Northern Territory) – E.coli, Hardness, Turbidity
- 2007/22 – Tara (Northern Territory) – E.coli, Hardness, Total Dissolved Solids, Iodine, Chloride, Sodium
- 2007/08 – Rockhole (Northern Territory) – Hardness
- 2006/22 – Santa Teresa (Northern Territory) – E.coli, Hardness
- 2006/22 – Rittarangu (Northern Territory) – E.coli, Hardness
- 2006/22 – Ramingining (Northern Territory) – E.coli, pH
- 2003/22 – Pmara Jutunta (Northern Territory) – Nitrate, Hardness, Uranium, Silica
- 2007/22 – Peppimenarti (Northern Territory) – Turbidity, Iron
- 2007/22 – Numbulwar (Northern Territory) – E.coli, Hardness, Turbidity, Iron
- 2007/22 – Ntaria/Hermannsburg (Northern Territory) – E.coli, Hardness
- 2007/22 – Ngukurr (Northern Territory) – E.coli, Selenium, Colour, Hardness, Total Dissolved Solids, Chloride, Turbidity, Iron, Barium
- 2006/16 – Nguiu/Warruniyanga (Northern Territory) – E.coli, pH
- 2009/22 – Mungoobada/Robinson River (Northern Territory) – E.coli, Hardness, Barium
- 2007/22 – Minyerri (Northern Territory) – Turbidity, Iron
- 2007/22 – Minjilang/Crocker Island (Northern Territory) – pH
- 2007/22 – Milyakburra/Bickerton Island (Northern Territory) – pH
- 2007/22 – Milingimbi (Northern Territory) – pH
- 2007/17 – Milikapti (Northern Territory) – Iron, pH
- 2007/17 – Manyalalluk/Eva Valley (Northern Territory) – pH
- 2007/22 – Maningrida (Northern Territory) – pH, Fluoride
- 2007/22 – Lajamanu (Northern Territory) – Hardness, Total Dissolved Solids, Iodine, Silica
- 2009/11 – Kybrook Farm (Northern Territory) – Arsenic
- 2007/22 – Kalkarindji/Wave Hill (Northern Territory) – Hardness
- 2007/08 – Jodetluk (Northern Territory) – pH
- 2007/22 – Imanpa (Northern Territory) – Uranium, Hardness, Total Dissolved Solids, Iodine, Chloride, Turbidity, Iron, Sodium, Sulphate
- 2006/22 – Imangara (Northern Territory) – E.coli, Uranium, Hardness
- 2006/22 – Ikuntji/Haasts Bluff (Northern Territory) – E.coli, Hardness, Total Dissolved Solids, Iodine, Chloride, Sulfate
- 2007/8 + 2015/16 – Gunyangara (Northern Territory) – E.coli, pH
- 2006/22 – Gunbalunya (Northern Territory) – E.coli, Turbidity, Iron, pH
- 2007/17 + 2021/22 – Gulin Gulin/Bulman (Northern Territory) – Hardness
- 2007/17 + 2021/22 – Engawala/Alcoota (Northern Territory) – Hardness, Iodine, Turbidity
- 2009/22 – Jilkminngin/Djilkminngin (Northern Territory) – E.coli, Hardness, Total Dissolved Solids, Iodine, Chloride, Iron, Sodium
- 2006/09 + 2016/17 + 2021/22 – Canteen Creek/Orwaitilla (Northern Territory) – E.coli, Hardness, Iodine
- 2006/23 – Bunbidee/Pigeon Hole (Northern Territory) – Floods, No Water Supply, E.coli, Turbidity, Iron, Hardness
- 2007/22 – Barunga (Northern Territory) – E.coli, Iron, Colour, Turbidity, pH
- 2007/21 – Atitjere/Harts Range (Northern Territory) – Hardness, Total Dissolved Solids
- 2007/22 – Amunturangu/Mt Leibig (Northern Territory) – E.coli, Hardness, Iodine, Total Dissolved Solids
- 2007/16 – Ampilawatja (Northern Territory) – Hardness, Total Dissolved Solids, Iodine
- 2015/17 – Amoonguna (Northern Territory) – Lead, Hardness, Turbidity
- 2007/22 – Amanbidji (Northern Territory) – Lead, Hardness, Total Dissolved Solids, Sodium, Sulfate
- 2007/22 – Alpurrurulam (Northern Territory) – Fluoride, Hardness, Total Dissolved Solids, Iodine
- 2006/21 – Batchelor (Northern Territory) – Hardness
- 2007/22 – Wilora (Northern Territory) – Uranium, E.coli, Lead, Aluminium, Hardness, Total Dissolved Solids, Iodine, Chloride, Sodium
- 2007/17 + 2021/22 – Gapuwiyak/Lake Evella (Northern Territory) – Lead, pH
- 2007/17 + 2021/22 – Galiwinku (Northern Territory) – pH, Iron
- 2007/22 – Belyuen (Northern Territory) – E.coli, pH, Arsenic, Iron, Turbidity
- 2008/11 + 2016/22 – Angurugu (Northern Territory) – E.coli, pH, Turbidity
- 2007/16 – Acacia/Larrakia (Northern Territory) – E.coli, Hardness, Iron, Turbidity
- 2008/22 – Nyirripi (Northern Territory) – E.coli, Fluoride, Hardness, Iodine, Silica, Total Dissolved Solids
- 2006/22 – Areyonga (Northern Territory) – E.coli, Hardness, Iodine, Total Dissolved Solids
- 2007/22 – Wadeye (Northern Territory) – E.coli, pH
- 2007/22 – Pirlangimpi (Northern Territory) – E.coli, Turbidity, pH
- 2006/16 – Palumpa/Nganmaryanga (Northern Territory) – E.coli, Iron, Iodine
- 2003/21 – Alice Springs (Northern Territory) – Radioactivity, E.coli, Hardness, Iodine
- 2004/11 – Cox Peninsula (Northern Territory) – E.coli, pH, Iron
- 2004/18 – Borroloola (Northern Territory) – E.coli, Radioactive, pH
- 2003/16 – Adelaide River (Northern Territory) – B. pseudomallei, E.coli, Iron, Manganese
- 2004/17 – Larrimah (Northern Territory) – E.coli, Hardness, Total Dissolved Solids, Iodine
- Douglas Hot Springs (Northern Territory) – Naegleria fowleri
- 2003/21: Timber Creek (Northern Territory) – Fluoride, Hardness, Barium, Nitrate
- 2003/22: Ti Tree (Northern Territory) – E.coli, Nitrate, Hardness, Iodine, Silica, Uranium
- 2003/21: Elliot (Northern Territory) – E.coli, Hardness, Lead, Iodine, Total Dissolved Solids
- 2003/17: Newcastle Waters (Northern Territory) – E.coli, Hardness, Iodine
- 2011/18: Garawa (Northern Territory) – E.coli, Lead, pH
- 2013/2022: Gunn Point (Northern Territory) – Naegleria fowleri, E.coli, Cadmium, Chlorine
- 2003/22: Tennant Creek (Northern Territory) – E.coli, N. fowleri, Fluoride, Iodine, Hardness, Nitrate, Silica, Total Dissolved Solids
- 2003/6 + 2013/18 + 2022: Katherine (NT). PFAS Chemicals, B.pseudomallei, E.coli, Molybdenum
- 2013-2016: Darwin River Reservoir (NT). B.pseudomallei
- 2012?: Manton Park Dam Park (NT). N fowleri
- 2005-16 + 2021/22: Darwin (Northern Territory) – N. fowleri, E.coli, Chlorine
- 2007/22: Beswick (Northern Territory). E.coli, Antimony, Arsenic, Hardness
- 2006/17 + 2022/23: Nauiyu Nambiyu/Daly River (Northern Territory) – E.coli, Arsenic, Turbidity, Iron, Manganese
- 2004/12 + 2016/21: Pine Creek (Northern Territory) – E.coli, Arsenic, Iodine, Radioactive
- 2007/22: Gudabijin (Bulla) Northern Territory. Barium, E.coli, Chromium, Manganese, Hardness, Iron, Fluoride
- 2007/22: Kaltukatjura/Docker River (Northern Territory). Lead, Hardness, Iodine
- 2007/21: Ali Curung/Warrabri (Northern Territory). E.coli, Nitrate, Fluoride, Lead, Hardness, Total Dissolved Solids, Iodine, Chloride, Sodium
- 2006/22: Kintore/Walangkula (Northern Territory). E.coli, Nitrate, Hardness, Total Dissolved Solids, Iodine, Silica
- 2003/17: Mataranka (Northern Territory). Selenium, Hardness, Total Dissolved Solids, Iron, Iodine
- 2003/17: Daly Waters (Northern Territory). E.coli, Selenium, Chloride, Hardness, Total Dissolved Solids, Sodium, Iodine, Iron
- 2004 + 2007/17 + 2021/22: Binjari (Northern Territory). Radioactivity, Hardness
- 2003-22: Kings Canyon (Northern Territory). Radioactivity, Selenium, Lead, Hardness, Total Dissolved Solids, Iodine, Chloride
- 2007/22: Nturiya (Northern Territory). Uranium, Nitrate, Hardness, Total Dissolved Solids, Chloride, Iodine, Sodium
- 2006/17: Papunya (Northern Territory). Uranium, E.coli, Hardness, Total Dissolved Solids, Chloride, Iodine, Sodium
- 2009-2010: Willora (Northern Territory). Uranium
- 2007/22: Willowra (Northern Territory). Uranium, E.coli, Hardness, Total Dissolved Solids, Iodine
- 2006/23: Laramba (Napperby) Northern Territory. Uranium, E.coli, Hardness, Iodine, Total Dissolved Solids, Silica
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