2015/23: Emerald Water Supply (Queensland). Pesticides: Multiple

2015/16: Emerald (Queensland) Pesticides

Emerald Reticulation:

Atrazine: 0.08ug/L(max), 0.05ug/L (av)

Desethylatrazine: 0.03ug/L(max), 0.02ug/L (av)

Simazine: 0.03ug/L(max), 0.02ug/L(av)

Tebuthiuron: 0.15ug/L(max), 0.1ug/L(av)

Emerald Raw:

Desethylatrazine: 0.1ug/L(max)

Tebuthiuron: 0.2ug/L(max)

Source: Central Highlands Regional Council – Drinking Water Quality Management Plan (DWQMP) Annual Report 2015/16

2017/18: Emerald (Queensland) Pesticides (Please not reticulated samples not provided 2017/18)

Emerald Raw:

Atrazine: 0.05ug/L (max), 0.04ug/L (av.)

Desethylatrazine: 0.02ug/L (max), 0.02ug/L (av.)

Simazine: 0.12ug/L (max), 0.1ug/L (av.)

Tebuthiuron: 0.38ug/L (max), 0.37ug/L (av.)

Metolachlor: 0.02ug/L (max), 0.02ug/L (av.)

Source: Central Highlands Regional Council – Drinking Water Quality Management Plan (DWQMP) Annual Report 2017/18

2018/19: Emerald (Queensland) Pesticides

Emerald Reticulation:

Atrazine 2-Hydroxy: 0.03ug/L(max), 0.03ug/L (av)

2,4-D: 0.3ug/L(max), 0.3ug/L (av)

Simazine: 0.02ug/L(max), 0.02ug/L(av)

Tebuthiuron: 0.34ug/L(max), 0.18ug/L(av)

Dalapon (2,2 DPA): 1.9ug/L (max), 1.6ug/L (av.)

Emerald Raw:

Atrazine 2 Hydroxy: 0.04ug/L(max), 0.04ug/L (av)

2,4-D: 0.8ug/L (max), 0.65ug/L (av)

Diuron: 0.04ug/L (max), 0.035ug/L (av)

Tebuthiuron: 0.31ug/L(max), 0.31ug/L (av)

Fluroxypur: 0.09ug/L (max), 0.08ug/L (av)

Simazine: 0.02ug/L (max), 0.02ug/L (av)

Source: Central Highlands Regional Council – Drinking Water Quality Management Plan (DWQMP) Annual Report 2018/19

2019/20: Emerald (Queensland) Pesticides (Please not reticulated samples not provided 2019/20)

Emerald Raw:

Atrazine, 2-hydroxy: 0.04ug/L (max), 0.04ug/L (av.)

2,4-D: 0.8ug/L (max), 0.65ug/L (av.)

Diuron: 0.04ug/L (max), 0.035ug/L (av.)

Desethylatrazine: 0.02ug/L (max), 0.02ug/L (av.)

Simazine: 0.02ug/L (max), 0.02ug/L (av.)

Tebuthiuron: 0.31ug/L (max), 0.31ug/L (av.)

Fluroxypur: 0.09ug/L (max), 0.08ug/L (av.)

Source: Central Highlands Regional Council – Drinking Water Quality Management Plan (DWQMP) Annual Report 2019/20

2021/22: Emerald (Queensland) Pesticides

Emerald Reticulation:

Atrazine: 0.3ug/L (max), 0.18ug/L (av.)

Tebuthiuron: 0.52ug/L(max), 0.38ug/L(av.)

Dalapon: 1.7ug/L (max), 1.45ug/L (av.)

Terbuthylazine: 0.03ug/L (max), 0.02ug/L (av.)

Metolachlor: 0.1ug/L (max), 0.1ug/L (av.)

2,4,-D: 0.04ug/L (max), 0.04ug/L (av.)

Fluroxypur: 0.09ug/L (max), 0.09ug/L (av.)

Clothianidin: 0.63ug/L (max), 0.63ug/L (av.)

Imazapyr: 0.02ug/L (max), 0.02ug/L (av.)

MCPA: 0.02ug/L (max), 0.02ug/L (av.)

Emerald Raw

Atrazine: 0.46ug/L (max), 0.415ug/L (av.)

Metolachlor: 0.09ug/L (max), 0.055ug/L (av.)

Tebuthiuron: 1.7ug/L (max), 1.225ug/L (av.)

Atrazine 2-Hydroxy: 0.04ug/L (max), 0.02ug/L (av.)

2,4-D: 0.1ug/L (max), 0.085ug/L (av.)

Fluroxypyr: 0.36ug/L (max), 0.28ug/L (av.)

Terbuthylazine: 0.3ug/L (max), 0.18ug/L (av.)

Clothianidin: 1.3ug/L (max), 0.7ug/L (av.)

Imazapyr: 0.04ug/L (max), 0.04ug/L (av.)

MCPA: 0.04ug/L (max), 0.035ug/L (av.)

Haloxyfop: 0.1ug/L (max), 0.07ug/L (av.)

Methoxyfenoxide: 0.07ug/L (max), 0.055ug/L (av.)

Source: Central Highlands Regional Council – Drinking Water Quality Management Plan (DWQMP) Annual Report 2021/22

Emerald Queensland

Reticulation

Atrazine: 0.05ug/L (av.)

Tebuthiuron: 0.72ug/L (max), 0.38ug/L (av.)

Dalapon: 1.7ug/L (max), 1.45ug/L (av.)

Terbuthylazine: 0.01ug/L (av.)

Metolachlor: 0.04ug/L (av.)

Raw

Atrazine: 0.07ug/L (av.)

Metolachlor: 0.07ug/L (av.)

Tebuthiuron: 1ug/L (av.)

Terbuthylazine: 0.02ug/L (av.)

Source: Central Highlands Regional Council – Drinking Water Quality Management Plan (DWQMP) Annual Report 2022/23