Trifluralin
- 2001: Dalby (groundwater). Pesticides: Multiple
- 2005 October – 2012 November: Murrumbidgee Irrigation Area MIRMCN. Pesticides: Multiple
- 2005 October – 2012 December: Murrumbidgee Irrigation Area MDJWE. Pesticides: Multiple
- 2006 July – 2012 December: Murrumbidgee Irrigation Area LMC. Pesticides: Multiple
- 2009 November – 2012 November: Murrumbidgee Irrigation Area FS. Pesticides: Multiple
- 2009 June – 2013 Feb: Murrumbidgee Irrigation Area BYD. Pesticides: Multiple
- 2014: Murrumbidgee Irrigation Area Site ROCUDG. Pesticides: Multiple
- 2014: Murrumbidgee Irrigation Area (Site GMSRR). Pesticides: Multiple
- 2011: Johnstone River Qld. Pesticides: Diuron, Atrazine, 2,4-D, Ametryn, Trifluralin, MCPA, 2,4,5-T
- 1999 June: Bassendean (WA) Pesticide spill: Pesticide: Trifluralin
- 2006 September – 2007 August: Bull Creek (WA). Pesticides: Multiple
- 2006 September – 2007 August: Corfield Street, Southern River, WA. Pesticides: Multiple
- 2006 September – 2007 May: Mills Street Compensating Basin, Welshpool (WA). Pesticides: Multiple
- 2006 September – 2007 August: Perth Airport Main Drain. Pesticides: Multiple
- 2007 January – 2007 August: Helena River (WA). Pesticides: Multiple
- 2006 September – 2007 August: Bayswater Main Drain (WA). Pesticides: Multiple
- 1999 May – 2022: Little Para River Snake Gully Bridge (SA). Pesticides detected: Hexazinone, Simazine, Chlorthal-Dimethyl, MCPA, Triclopyr, Picloram, Metsulfuron Methyl.
- 1998: Gwydir River Basin