Barium
- 2007/22 – Yarralin (Northern Territory) – E.coli, Hardness, Turbidity, Barium, Iron
- 2007/22 – Ngukurr (Northern Territory) – E.coli, Selenium, Colour, Hardness, Total Dissolved Solids, Chloride, Turbidity, Iron, Barium
- 2009/22 – Mungoobada/Robinson River (Northern Territory) – E.coli, Hardness, Barium
- 2003/21: Timber Creek (Northern Territory) – Fluoride, Hardness, Barium, Nitrate
- 2007/22: Gudabijin (Bulla) Northern Territory. Barium, E.coli, Chromium, Manganese, Hardness, Iron, Fluoride
- test