Gellibrand River (Site R)

2024: 2,4,6-TCP/2,4,6-Trichlorophenol 5.9ng/L (max), 2-Phenylphenol 1.9ng/L (max), Azoxystrobin 6.4ng/L (max), Biphenyl 19.8ng/L (max), Boscalid (Nicobifen) 1.6ng/L (max), Carbaryl 14.6ng/L (max), Deltamethrin 1.7ng/L,Difenconazole (Total) 14ng/L (max), Diphenylamine 9ng/L (max), Hexazinone 4.1ng/L (max), Indoxacarb 2.7ng/L (max), Mefonoxam 1.1ng/L (max), Piperonyl Butoxide 16.1ng/L (max), Simazine 44.6ng/L (max), Terbacil 2.4ng/L (max)

Estimated Quantification: Isoxadifen 5.8ng/L (max)

Source: Table 4 ORIGINAL RESEARCH article

Front. Environ. Sci., 24 February 2026

Sec. Environmental Citizen Science

Volume 14 – 2026 | https://doi.org/10.3389/fenvs.2026.1765617

Community engagement and screening of 447 pesticides in the Gellibrand River catchment, Victoria, Australia  Caterina Cacciatori 1,2*

Caterina Cacciator 1,2, Jackie Myers 1, Giulio Mariani 2, Bernd-Manfred Gawlik 2, Vincent Pettigrove 1

1. Aquatic Environmental Stress Research Group (AQUEST), RMIT University, Bundoora, VIC, Australia

2. European Commission, Joint Research Centre (JRC), Ispra, Italy

*PFAS pesticide

2024: Gellibrand River, Site R, Otway Ranges, Victoria

Gellibrand River (Site R)

2024: 2,4,6-TCP/2,4,6-Trichlorophenol 5.9ng/L (max), 2-Phenylphenol 1.9ng/L (max), Azoxystrobin 6.4ng/L (max), Biphenyl 19.8ng/L (max), Boscalid (Nicobifen) 1.6ng/L (max), Carbaryl 14.6ng/L (max), Deltamethrin 1.7ng/L,Difenconazole (Total) 14ng/L (max), Diphenylamine 9ng/L (max), Hexazinone 4.1ng/L (max), Indoxacarb 2.7ng/L (max)*, Mefonoxam 1.1ng/L (max), Piperonyl Butoxide 16.1ng/L (max), Simazine 44.6ng/L (max), Terbacil 2.4ng/L (max)

Estimated Quantification: Isoxadifen 5.8ng/L (max)

Source: Table 4 ORIGINAL RESEARCH article

Front. Environ. Sci., 24 February 2026

Sec. Environmental Citizen Science

Volume 14 – 2026 | https://doi.org/10.3389/fenvs.2026.1765617

Community engagement and screening of 447 pesticides in the Gellibrand River catchment, Victoria, Australia  Caterina Cacciatori 1,2*

Caterina Cacciator 1,2, Jackie Myers 1, Giulio Mariani 2, Bernd-Manfred Gawlik 2, Vincent Pettigrove 1

1. Aquatic Environmental Stress Research Group (AQUEST), RMIT University, Bundoora, VIC, Australia

2. European Commission, Joint Research Centre (JRC), Ispra, Italy

*PFAS Pesticide