Malathion - Maldison
- 2019 Double Crossing Creek, Coffs Harbour. Pesticides: Multiple
- 2017/18: Yallock Cut (Victoria). Pesticides: Multiple
- 2012-2021: Myponga Reservoir WTP Inlet + Research. Pesticide: MCPA, 2,4-D, AMPA, Chlorpyrifos, Clopyralid, Glyphosate, Malathion, Metsulfuron Methyl, Omethoate
- 1996 March – 2006?: Burwood Beach WWTW (NSW). Pesticides: Multiple
- 2005 October – 2012 November: Murrumbidgee Irrigation Area WS. 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
- 2005 January – 2008 December: Murrumbidgee Irrigation Area (BBOW). Pesticides: Atrazine, Diuron, Simazine, Malathion, Thiobencarb, Molinate
- 1994 February – 2013 September: South Drain at Yanco Creek (NSW). Pesticides: Multiple
- 2014: Murrumbidgee Irrigation Area Site ROCUDG. Pesticides: Multiple
- 2014: Murrumbidgee Irrigation Area (Site GMSRR). Pesticides: Multiple
- 1994 October/November: Mirrool Creek/Little Mirrool Creek. Pesticides: Multiple
- 1991 October: Pesticide Export from Rice Pasture Willbriggie NSW. Pesticides: Molinate, Malathion, Chlorpyrifos, Atrazine
- 1992 October: Willbriggie Irrigation Area Rice Bays/Drains. Pesticides: Molinate, Malathion, Chlorpyrifos
- 1992/3: Individual Farm Drains Willbriggie (NSW). Pesticides:
- 1993 October/November: Willbriggie Irrigation District. Pesticides: Multiple
- 1993: Coleambally Irrigation Area Large Drains. Pesticides: Multiple
- 1994-95: Murrumbidgee Irrigation Area Surface Water: Pesticides: Multiple
- 1991-93: Murrumbidgee Irrigation District. Pesticides: Multiple
- 2016 March: Insecticide ban over human safety fears. Pesticide: Maldison
- 1960’s – 1970’s. Pesticides used by Australia in Vietnam War: Dieldrin, Chlordane, Lindane, Diazinon, DDT, Malathion
- 1982 December: Mt Spion Kopje (Vic). Phasmatid Control. Pesticide: Malathion
- 1979 December: Bogong Phasmatid Control. Pesticide: Malathion
- 1974 November: Erica (Vic) Phasmatid Control. Pesticide: Malathion
- 1974 November: Carters Creek Neerim (Vic). Phasmatid Control. Pesticide: Malathion.
- 1974 November: New Turkey (Upper Yarra). Phasmatid Control. Pesticide: Malathion
- 1970 November: Kiewa (Vic). Phasmatid Control. Pesticide: Malathion
- 1968 February – 1968 November: Dowey’s Spur (Vic) Phasmatid Spraying. Pesticide: Malathion
- 1968 January – 1973 February: Brittania Creek (Vic) Phasmatid Control. Pesticide: Malathion
- 1966 February: Ada River Headwaters Phasmatid Control. Pesticide: Malathion
- 1962 April: Merbein (Vic). Proposal to aerial spray to control Fruit Fly. Pesticides: DDT or Malathion
- 1965 October: Yarram Caravan Park Aerial Spraying. Pesticides: DDT, Malathion
- 1965 October: Aerial Spraying Latrobe Valley Water and Sewerage Board farming area. Pesticides: DDT, Malathion
- 1965: Loch Sport. Aerial Spraying Mosquito Control. Pesticides: DDT, Dieldrin, Malathion
- 1964 December – 1969 December: Seaspray Foreshore. Pesticides: Malathion, Fenthion, DDT, Dieldrin
- 1967 – 1969 December: Eagle Point Paynesville (Vic). Aerial Spraying: Pesticide: Fenthion, Malathion, DDT
- 2009 September – 2010 January: Arundel Creek (Vic). Pesticides: Multiple
- 1980 July – 1981 May. Yarra River below Yering Gorge. Pesticides detected: DDE, DDT, Dieldrin, Lindane, 2,4-D, Malathion
- 1991-2001: Murrumbidgee Irrigation Area. Numerous Pesticides.
- 1994-5: Murray Irrigation Area
- 1991-3: Murray Irrigation Area
- 1990’s: Murrumbidgee Irrigation Area
- 1991-3: Coleambally Irrigation Area Pesticides