2015/23: Blackwater Water Supply (Queensland).

2015/16: Blackwater (Queensland) Pesticides

Blackwater Reticulation:

Atrazine: 0.47ug/L(max), 0.42ug/L (av)

Desethylatrazine: 0.07ug/L(max), 0.07ug/L (av)

Tebuthiuron: 0.11ug/L(max), 0.11ug/L(av)

Metolachlor: 0.19ug/L(max), 0.14ug/L(av)

Blackwater Raw:

Atrazine: 0.5ug/L(max), 0.3ug/L (av)

Desethylatrazine: 0.1ug/L(max), 0.1ug/L (av)

Tebuthiuron: 0.2ug/L(max), 0.1ug/L(av)

Metolachlor: 0.2ug/L(max), 0.1ug/L(av)

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

2017/18: Blackwater (Queensland) Pesticides (Note: Reticulated samples not provided 2017/18)

Blackwater Raw:

Atrazine: 0.21ug/L(max), 0.12ug/L (av)

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

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

Tebuthiuron: 1.2ug/L(max), 0.8ug/L(av)

Metolachlor: 0.25ug/L(max), 0.19ug/L(av)

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

2018/19: Blackwater (Queensland) Pesticides (Note: Reticulated samples not provided 2018/19)

Blackwater Raw:

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

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

Tebuthiuron: 0.26ug/L(max), 0.26ug/L(av)

Metsulfuron: 0.03ug/L(max), 0.03ug/L(av)

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

2019/20: Blackwater (Queensland) Pesticides (Note: Reticulated samples not provided 2019/20)

Blackwater Raw:

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

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

Tebuthiuron: 0.26ug/L(max), 0.26ug/L(av)

Metsulfuron: 0.03ug/L(max), 0.03ug/L(av)

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

2021/22 Blackwater Queensland

Reticulated

Metolachlor: 0.01ug/L (av.)

Tebuthiuron: 0.05ug/L (av.)

Dalapon: 1.6ug/L (av.)

Raw

Atrazine: 0.4ug/L (av.)

Metolachlor: 0.05ug/L (av.)

Tebuthiuron: 0.24ug/L (av.)

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

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

2022/23 Blackwater Queensland

Reticulation

Metolachlor: 0.08ug/L (av.)

Metolachlor OXA: 0.16ug/L (av.)

Tebuthiuron: 0.07ug/L (av.)

Dalapon: 1.8ug/L (av.)

Terbuthylazine: 0.02ug/L (av.)

Haloxyfop 0.04ug/L (av.)

Raw

Atrazine: 0.04ug/L (av.)

Metolachlor: 0.26ug/L (av.)

Tebuthiuron: 0.28ug/L (av.)

Metsulfuron Methyl: 0.24ug/L (av.)

Diuron: 0.03ug/L (av.)

Propazin-2 Hydroxy: 0.01ug/L (av.)

Haloxyfop: 0.06ug/L

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