Fitzroy River at Fitzroy River (upstream of Rockhampton Water Supply)

1975 pesticide detections between Jan 2014 and Mar 2023

Diuron: 59 detections of Diuron between Feb 2014 and Jan 2023. 0.28ug/L (max 7/12/22). 0.0284ug/L (av.)

2,4-D: 153 detections of 2,4-D between Jul 2014 and Feb 2023. 0.39ug/L (max 27/11/10). 0.0642ug/L (av.)

Ametryn: 5 detections of Ametryn between July 2016 and Apr 2017. 0.002ug/L (max 10/8/16). 0.0011ug/L (av.)

Atrazine: 288 detections of Atrazine between Jan 2014 and Mar 2023. 0.73ug/L (max 29/1/15). 0.0987ug/L (av.)

Bromacil: 44 detections of Bromacil between Jan 2014 and Jul 2021. 0.13ug/L (max 12/4/21). 0.0353ug/L (av.)

Chlorpyrifos: 4 detections of Chlorpyrifos between Jan 2017 and Nov 2021. 0.03ug/L (max 13/1/17). 0.0075ug/L (av.)

Diazinon: 5 detections of Diazinon between Dec 2016 and Apr 2022. 0.0001ug/L (max 14/12/16). 0.00002ug/L (av.)

Fluroxypur: 108 detections of Fluroxypur between Dec 2014 and Jan 2023. 0.66ug/L (max 21/1/21). 0.0704ug/L (av.)

Haloxyfop: 45 detections of Haloxyfop between Feb 2015 and Jan 2023. 0.06ug/L (max 14/11/22). 0.0178ug/L (av.)

Hexazinone: 165 detections of Hexazinone between Dec 2014 and Jan 2023. 0.31ug/L (max 7/11/17). 0.0258ug/L (av.)

Imazapic: 39 detections of Imazapic between Jul 2016 and Jan 2023. 0.05ug/L (max 11/12/22). 0.0144ug/L (av.)

Imidacloprid: 8 detections of Imidacloprid between Jan 2017 and Jan 2023. 0.12ug/L (max 23/1/13). 0.0395ug/L (av.)

Isoxaflutole: 31 detections of Isoxaflutole between Jan 2017 and Dec 2022. 0.19ug/L (max 11/12/22). 0.0491ug/L (av.)

MCPA: 19 detections of MCPA between July 2016 and Nov 2022. 0.081ug/L (max 25/7/16). 0.0166ug/L (av.)

Metolachlor: 329 detections of Metolachlor between Feb 2014 and Mar 2023. 1.6ug/L (max 23/1/13). 0.1426ug/L (av.)

Metsulfuron Methyl: 16 detections of Metsulfuron Methyl between Jul 2016 and Dec 2022. 0.03ug/L (max 10/12/22). 0.0072ug/L (av.)

Metribuzin: 2 detections of Metribuzin in July 2016. 0.007ug/L (max). 0.0045ug/L (av.)

Pendimethalin: 1 detection of Pendimethalin 13/1/17 0.03ug/L (av.)

Prometryn: 6 detections of Prometryn between Jan 2015 and Nov 2022. 0.01ugL (max 12/11/22). 0.0055ug/L (av.)

Simazine: 74 detections of Simazine between Jan 2015 and Oct 2022. 0.91ug/L (max 25/7/16). 0.1255ug/L (av.)

Tebuthiuron: 378 detections of Tebuthiuron between Jan 2014 and Mar 2023. 5.1ug/L (max 20/11/21). 0.6087ug/L (av.)

Terbuthylazine: 164 detections of Terbuthylazine between Feb 2014 and Mar 2023. 2.3ug/L (max 10/12/22). 0.1386ug/L (av.)

Triclopyr: 33 detections of Triclopyr between Dec 2014 and Jan 2023. 0.13ug/L (max 13/7/22). 0.0423ug/L (av.)

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

 

2012-2013

Fitzroy River at Rockhampton

Total Atrazine 470kg, Diuron 98kg, Hexazinone 4.5kg, Tebuthiuron 5000kg

Land Use Yield

Atrazine (Cropping, Forestry & Sugarcane) 0.026kg/km2

Diuron (Cropping, Horticulture & Sugarcane) 0.011kg/km2

Hexazinone (Cropping, Forestry  and Sugarcane) 0.000037kg/km2

Tebuthiuron (Cropping, Forestry  and Sugarcane) 0.045kg/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

https://www.reefplan.qld.gov.au/measuring-success/paddock-to-reef/assets/2012-2013-gbr-catchment-loads-technical-report.pdf

2011: Large Scale Pesticide Monitoring Across Great Barrier Reef Catchments – Paddock to Reef Integrated Monitoring, Modelling and Reporting Program, 7 pesticides and two metabolites detected in Fitzroy River: Atrazine, Desethyl Atrazine, Desisopropyl Atrazine, Diuron, Hexazinone, Simazine, Tebuthiuron, Bromocil, Metolachlor.