2011-2023: Tully River at Euramo (Qld). Pesticides: Multiple

Tully River at Euramo

5077 pesticide detections Feb 2011 and Mar 2023

Diuron: 857 detections of Diuron between Feb 2011 and Feb 2023. 1.9ug/L (max 29/1/23). 0.1599ug/L (av.)

2,4-D: 580 detections of 2,4-D between Jul 2012 and Feb 2023. 1.1ug/L (max 5/2/18). 0.0896ug/L (av.)

Ametryn: 8 detections of Ametryn between Nov 2011 and Jun 2020. 0.08ug/L (max 25/11/11). 0.0387ug/L (av.)

Atrazine: 700 detections of Atrazine between Feb 2011 and Feb 2023. 1.4ug/L (max 31/1/17). 0.105ug/L (av.)

Bromacil: 1 detection of Bromacil 27/11/21 0.01ug/L

Chlorpyrifos: 1 trace detection of Chlorpyrifos 28/4/21

Diazinon: 33 detections of Diazinon between Jan 2017 and Apr 2020. 0.14ug/L (max 22/2/18). 0.0083ug/L (av.)

Fluroxypur: 98 detections of Fluroxypur between Feb 2015 and Feb 2023. 0.26ug/L (max 11/3/15). 0.043ug/L (av.)

Haloxyfop: 92 detections of Haloxyfop between Jan 2013 and Feb 2023. 0.2ug/L (max 3/3/16). 0.0228ug/L (av.)

Hexazinone: 812 detections of Hexazinone between Feb 2011 and Feb 2023. 0.65ug/L (max 29/1/23). 0.073ug/L (av.)

Imazapic: 264 detections of Imazapic between Dec 2015 and Dec 2022. 0.15ug/L (max 1/9/21). 0.0218ug/L (av.)

Imidacloprid: 912 detections of Imidacloprid between Jan 2012 and Feb 2023. 0.45ug/L (max 19/10/17). 0.0842ug/L (av.)

Isoxaflutole: 50 detections of Isoxaflutole between Jan 2013 and Dec 2022. 0.18ug/L (max 28/8/22). 0.0247ug/L (av.)

MCPA: 15 detections of MCPA between Sep 2016 and Jan 2023. 1.3ug/L (max 31/1/17). 0.118ug/L (av.)

Metolachlor: 257 detections of Metolachlor between Nov 2011 and Feb 2023. 0.26ug/L (max 27/1/14). 0.0292ug/L (av.)

Metsulfuron Methyl: 61 detections of Metsulfuron Methyl between Mar 2013 and Feb 2018. 0.1ug/L (max 5/4/17). 0.0104ug/L (av.)

Metribuzin: 215 detections of Metribuzin between Dec 12 and Dec 22. 0.77ug/L (max 22/11/17). 0.0606ug/L (av.)

Pendimethalin: 1 detection of Pendimethalin 10/11/17. 0.02ug/L

Simazine: 30 detections of Simazine between Nov 2011 and Feb 2020. 0.084ug/L (max 14/6/16). 0.0185ug/L (av.)

Tebuthiuron: 3 detections of Tebuthiuron between Jun 2012 and Mar 2020. 0.048ug/L (1/6/12). 0.0227ug/L (av.)

Terbuthylazine: 9 detections of Terbuthylazine between Feb 2021 and Dec 2022. 0.04ug/L (max 10/12/21). 0.02ug/L (av.)

Triclopyr: 68 detections of Triclopyr between Jul 2012 and Feb 2020. 0.2ug/L (max 25/2/20). 0.0331ug/L (av.)

Source: Pesticide Reporting Portal – Queensland Government. https://storymaps.arcgis.com/stories/c0f0c6d7d88a4fd3a5541fe59f41ff75

Tully River at Euramo

Ametryn 10kg, Total Atrazine 190kg, Diuron 570kg, Hexazinone 130kg

Land Use Yield

Ametryn (Sugarcane) 0.067 kg/km2

Atrazine (Cropping, Forestry & Sugarcane) 1kg/km2

Diuron (Cropping, Horticulture & Sugarcane) 2.7kg/km2

Hexazinone (Forestry, Grazing & Sugarcane) 0.49kg/km2

Source: Reef Water Quality Protection Plan. Total Suspended Solids, Nutrients & Pesticide Loads (2012-2013) for Rivers that Discharge to the Great Barrier Reef – Great Barrier Reef Catchment Loads Monitoring 2012-2013


An evaluation of the prevalence of alternate pesticides of environmental concern in Great Barrier Reef catchments: RP57C 2014
Rachael A Smith, Ryan Turner, Susi Vardy, Rae Huggins, Rohan Wallace, Michael St.J. Warne
Water Quality and Investigations, Environmental Monitoring and Assessment Sciences, Science Division, Queensland Department of Science, Information Technology, Innovation and the Arts.

Tully River at Euramo

Pesticides: Ametryn, Atrazine, Diuron, Hexazinone, Metsulfuron Methyl, 2,4-D, Triclopyr, Haloxyfop, Isoxaflutole, Bromacil, Metribuzin, Simazine, Metolachlor