Fitzroy Sub-basin: Pesticides [only those that were detected during LFWQMP] Summary Statistics Sites = Fitzroy River, within future inundation area (Riverslea), sampled during Jul 2020 to Dec 2022 & Fitzroy River, Far Downstream of future inundation area (The Gap), sampled during Jul 2020 to Apr 2021 (prior to RWP construction).

Diketonitrile: 0.04ug/L (max)

Imazapic: 0.01ug/L (max)

Isoxaflutole: 0.01ug/L (max)

Fluproponate: 0.6ug/L (max)

Atrazine: 0.15ug/L (max), 0.03ug/L (mean)

Diazinon: 0.02ug/L (max), 0.007ug/L (mean)

Diuron: 0.04ug/L (max)

Hexazinone: 0.07ug/L (max), 0.02ug/L (mean)

Metolachlor: 0.48ug/L (max), 0.05ug/L (mean)

Imidacloprid: 0.02ug/L (max)

Simazine: 0.1ug/L (max)

Tebuthiuron: 2.29ug/L (max), 0.44ug/L (max)

Terbutylazine: 0.03ug/L (max)

Tebuconazole: 0.02ug/L (max)

Sun Water Lower Fitzroy Water Quality Monitoring and Reporting Program

Program Design, version 4 EPBC: 2009/5173 May 2024

Prepared for Sunwater by Nicole Flint, Catherine E. Jones and John C. Rolfe, CQUniversity Australia.

2020-2022: Riverslea, Fitzroy River (Queensland)

Fitzroy Sub-basin: Pesticides [only those that were detected during LFWQMP] Summary Statistics Sites = Fitzroy River, within future inundation area (Riverslea), sampled during Jul 2020 to Dec 2022 & Fitzroy River, Far Downstream of future inundation area (The Gap), sampled during Jul 2020 to Apr 2021 (prior to RWP construction).

Diketonitrile: 0.04ug/L (max)

Imazapic: 0.01ug/L (max)

Isoxaflutole: 0.01ug/L (max)

Fluproponate: 0.6ug/L (max)

Atrazine: 0.15ug/L (max), 0.03ug/L (mean)

Diazinon: 0.02ug/L (max), 0.007ug/L (mean)

Diuron: 0.04ug/L (max)

Hexazinone: 0.07ug/L (max), 0.02ug/L (mean)

Metolachlor: 0.48ug/L (max), 0.05ug/L (mean)

Imidacloprid: 0.02ug/L (max)

Simazine: 0.1ug/L (max)

Tebuthiuron: 2.29ug/L (max), 0.44ug/L (max)

Terbutylazine: 0.03ug/L (max)

Tebuconazole: 0.02ug/L (max)

Sun Water Lower Fitzroy Water Quality Monitoring and Reporting Program

Program Design, version 4 EPBC: 2009/5173 May 2024

Prepared for Sunwater by Nicole Flint, Catherine E. Jones and John C. Rolfe, CQUniversity Australia.