Mackenzie River, Far Upstream of future inundation area (Coolmaringa) and Upstream of future inundation area (ApisCkRd). Sampled during Jul 2020 to Dec 2022.

Diketonitrile: 0.1ug/L (max), 0.02ug/L (mean)

Imazapic: 0.03ug/L (max)

Isoxaflutole: 0.13ug/L (max)

Fluproponate: 0.3ug/L (max)

Atrazine: 0.08ug/L (max), 0.02ug/L (mean)

Diuron: 0.05ug/L (max)

Hexazinone: 0.03ug/L (max)

Metolachlor: 0.11ug/L (max), 0.03ug/L (mean)

Tebuthiuron: 1.8ug/L (max), 0.47ug/L (mean)

Terbutylazine: 0.11ug/L (max), 0.02ug/L (mean)

Tebuconazole: 0.12ug/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: Coolmaringa, Mackenzie River (Queensland)

Mackenzie River, Far Upstream of future inundation area (Coolmaringa) and Upstream of future inundation area (ApisCkRd). Sampled during Jul 2020 to Dec 2022.

Diketonitrile: 0.1ug/L (max), 0.02ug/L (mean)

Imazapic: 0.03ug/L (max)

Isoxaflutole: 0.13ug/L (max)

Fluproponate: 0.3ug/L (max)

Atrazine: 0.08ug/L (max), 0.02ug/L (mean)

Diuron: 0.05ug/L (max)

Hexazinone: 0.03ug/L (max)

Metolachlor: 0.11ug/L (max), 0.03ug/L (mean)

Tebuthiuron: 1.8ug/L (max), 0.47ug/L (mean)

Terbutylazine: 0.11ug/L (max), 0.02ug/L (mean)

Tebuconazole: 0.12ug/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.