Picloram
- 2021 Feb: Recycler Suez says herbicides in contaminated compost came from Melbourne council water. Pesticides: Dicamba, 2,4-D, MCPA, Triclopyr, Picloram
- 2015 August – 2016 November: Fingal/Miners Park (Tasmania). Pesticide: Picloram, MCPA
- 2010-2016: Thorpdale (Vic). Pesticides: Triclopyr
- 2009-2016: Seaspray: Pesticides: Dinoseb, Triclopyr, Picloram
- 2010 December: Urgent Action Needed on Dioxins: Pesticides: Multiple
- 2012-2016: Toora (Vic) Water Supply. Pesticides: Triclopyr, 2,4,6-T, Picloram
- 2016 March: Ex-forestry worker airs herbicide worry. Pesticides: 2,4-D, Picloram
- 2011 March: Berrima NSW Spraydrift. Pesticides: Triclopyr, Picloram, Aminopyralid
- 2010 December: Urgent Action Needed on Dioxins, says Toxicologists. Pesticides: Quintozene, MCPA, Chlorothalonil, Triclopyr, Picloram,
- 1965 August – 1971: Mimosa pigra control. Adelaide River (NT). Pesticides: 2,4,5-T, 2,4-D, Picloram
- 2013 December – 2014 March: Picnic Crossing (Lake Tinaroo) Qld. Pesticides: Multiple
- 2013-4: Swanbank Power Station – Western Corridor Recycled Water. Pesticides: Multiple
- 2013 September – 2015 January: Deloraine (Tas) Drinking Water. Pesticides: Picloram, Triclopyr, 2,4-D
- 1981 June: Cheshunt (Vic). Tobacco crop damage due to SEC spraying. Pesticide: Picloram
- 2012 October – 2013 February: Troups Creek Narre Warren. Pesticides: Multiple
- 2012 October – 2013 February: Sanctuary Lakes Leopold. Pesticides: Multiple
- 2011 December – February: Comboyne Legal Action. Pesticide of Concern: Triclopyr/Picloram
- 2010 July: $467,000 awarded in Spray Drift Case (Qld). Pesticides: Metsulfuron Methyl, Triclopyr, Picloram
- 2014/5 – 2013 August: Warragamba Water Filtration Plant. Pesticide: Triclopyr, Picloram
- 2011/2013 + 2019/2022: Kersbrook Creek. Pesticide detections: MCPA, Picloram, Triclopyr, Metsulfuron Methyl
- 2011 – 2023: Gumeracha Weir 2.6km upstream. Pesticides detected: MCPA, Triclopyr, Dicamba, Chlorthal-Dimethyl, Chlorsulfuron, Metsulfuron Methyl, Picloram
- 1980’s: Tamworth Crop Dusting Loading. Pesticides: Multiple
- 1998 – 2023: Torrens River Gorge Weir (SA). Pesticides Detected: Endosulfan, Simazine, Triclopyr, Picloram, MCPA, Metsulfuron Methyl.
- 1999 – 2023: Little Para River Snake Gully Bridge (SA). Pesticides detected: Hexazinone, Simazine, Chlorthal-Dimethyl, MCPA, Triclopyr, Picloram, Metsulfuron Methyl.
- 1971-1974: Scarsdale Plantation – Pesticide Tested: Picloram.