2020/2023: Gunbower Creek at Thompsons Weir Leitchville

19/5/20: Triclopyr 0.02ug/L

22/11/22: Atrazine 0.01ug/L, Simazine 0.03ug/L, Diuron 0.02ug/L, Metolachlor 0.01ug/L, Tebuconazole 0.03ug/L,

21/11/23: Atrazine 0.01ug/L

2020/23: Gunbower Creek, Leitchville

2020/2023: Gunbower Creek at Thompsons Weir Leitchville

19/5/20: Triclopyr 0.02ug/L

22/11/22: Atrazine 0.01ug/L, Simazine 0.03ug/L, Diuron 0.02ug/L, Metolachlor 0.01ug/L, Tebuconazole 0.03ug/L,

21/11/23: Atrazine 0.01ug/L