Clopyralid
- 2019 October: Congeratinga River (South Australia). Pesticides: Clopyralid, Haloxyfop, Metsulfuron Methyl
- 2020 October: Contaminated Gibberellic Acid – Sunraysia Region (Victoria) – Clopyralid
- 2012-2020: Myponga Reservoir WTP Inlet + Research. Pesticide: MCPA, 2,4-D, AMPA, Chlorpyrifos, Clopyralid, Glyphosate, Malathion, Metsulfuron Methyl, Omethoate
- 2012 October – 2013 February: Ti-Tree Creek Berwick. Pesticides: Multiple
- 2012 October – 2013 February: Wallan Wetlands. Pesticides: Multiple
- 2012 October: Edinburgh Gardens Fitzroy. Pesticides: Multiple
- 2012 October – February 2013: Darling Street East Melbourne. Pesticides Multiple.
- 2012 – 2021: Tullaroop Reservoir – Maryborough Water Supply. Pesticides detected: Atrazine, Simazine, 2,4-D, Metalochlor, Benomyl, Fluometuron, Diuron
- 1983 April: Plantation near Archerton – Pesticide Detected: Clopyralid.
- 1998 July – 2017 October: Warren Reservoir (SA). Pesticides detected: Atrazine, Hexazinone, Simazine, MCPA, Clopyralid, Metsulfuron Methyl.