Leitchville (Victoria) Cohuna Main Channel
19/5/20: 2,4-D 0.04ug/L, Triclopyr 0.02ug/L, Diuron 0.04ug/L
16/11/21: Atrazine 0.01ug/L
17/5/22: Atrazine 0.02ug/L
22/11/22: Atrazine 0.02ug/L, Simazine 0.02ug/L, Diuron 0.02ug/L, Metolachlor 0.02ug/L
16/5/23: Atrazine 0.01ug/L, Simazine 0.03ug/L
21/11/23: Atrazine 0.02ug/L
21/5/24: Simazine 0.02ug/L