Silica
- 2007/09 + 2014/18 – Denmark (Western Australia). Sodium, Chloride, Silica, Total Dissolved Solids
- 2011/18 – Broome (Western Australia). Silica, pH
- 2007/17 – Lajamanu (Northern Territory) – Hardness, Total Dissolved Solids, Iodine, Silica
- 2012/16 – Yunyarinyi (South Australia) – Fluoride, Silica, Hardness
- 2012/16 – Kaljiti (South Australia) – E.coli, Silica, Sodium, Hardness
- 1997/1999 – 2012/15: Mimili (South Australia) – Nitrate, Fluoride, Chloride, Silica, Sodium, Total Dissolved Solids, Hardness
- 2011 + 2015/17 – Dalby (Queensland) – E.coli, Silica, Zinc
- 2016/18: Kingaroy (Queensand) – E.coli, Trihalomethanes, Hardness, Colour, Turbidity, Sodium, Chloride, Iron, Silica, Total Dissolved Solids
- 2008/17 – Nyirripi (Northern Territory) – E.coli, Fluoride, Hardness, Iodine, Silica
- 2007/18 – Hopetoun (Western Australia) – Hardness, Total Dissolved Solids, Chloride, Sodium, Silica
- 2007/18 – Bremer Bay (Western Australia) – Hardness, Total Dissolved Solids, Sodium
- 2007/18 – Albany (Western Australia) – Hardness, Iron, Total Dissolved Solids, Silica
- 2007/8 + 2017/18 – Walpole (Western Australia) – Aluminium, Colour, Silica
- 2007/18 – Condingup (Western Australia) – Total Dissolved Solids, Sodium, Chloride, Silica
- 2007/18 – Grass Patch (Western Australia) – pH, Hardness, Total Dissolved Solids, Silica
- 2007/18 – Mt Magnet (Western Australia) – Nitrate, Hardness, Total Dissolved Solids, Chloride, Sodium, Silica
- 2003/17: Ti Tree (Northern Territory) – E.coli, Nitrate, Hardness, Iodine, Silica, Uranium
- 2003/17: Tennant Creek (Northern Territory) – E.coli, N. fowleri, Fluoride, Iodine, Hardness, Nitrate, Silica, Total Dissolved Solids
- 2006/2018: Esperance (Western Australia). Lead & Nickel in Rainwater Tanks, PFAS, Hardness, Total Dissolved Solids, Silica
- 2004/18: Yalgoo (Western Australia). Nitrate, Hardness, Total Dissolved Solids, Chloride, Silica
- 2004/18: Wiluna (Western Australia). Nitrate, Hardness, Total Dissolved Solids, Silica
- 2004/18: Meekatharra (Western Australia). Nitrate, Hardness, Total Dissolved Solids, Chloride, Sodium, Silica, Iron
- 2004/18: Cue (Western Australia). Nitrate, Hardness, Total Dissolved Solids, Chloride, Silica, Sodium
- 2006/17: Kintore/Walangkula (Northern Territory). E.coli, Nitrate, Hardness, Total Dissolved Solids, Iodine, Silica
- 2006/18: Laramba (Napperby) Northern Territory. Uranium, E.coli, Hardness, Iodine, Total Dissolved Solids, Silica
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