2015/16: Rolleston (Queensland) Pesticides

Rolleston Reticulation:

Atrazine: 0.23ug/L(max), 0.18ug/L (av)

Desethylatrazine: 0.06ug/L(max), 0.04ug/L (av)

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

Metolachlor: 0.4ug/L(max), 0.03ug/L(av)

Rolleston Raw:

Atrazine: 0.4ug/L(max), 0.2ug/L(av)

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

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

Metolachlor: 1.1ug/L(max), 0.4ug/L(av)

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

2017/18: Rolleston (Queensland) Pesticides (Note reticulated samples not provided 2017/18)

Rolleston Raw:

Atrazine: 0.09ug/L(max), 0.05ug/L(av)

Desethylatrazine: 0.04ug/L(max), 0.03ug/L(av)

Simazine: 0.15ug/L (max), 0.11ug/L (av.)

Tebuthiuron: 0.48ug/L(max), 0.34ug/L(av)

Metolachlor: 0.19ug/L(max), 0.12ug/L(av)

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

2018/19: Rolleston (Queensland) Pesticides (Note reticulated samples not provided 2018/19)

Rolleston Raw:

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

N-Butylbenzene sulfonamide: 0.2ug/L(max), 0.2ug/L(av)

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

Tebuthiuron: 1.4ug/L(max), 1.4ug/L(av)

Metolachlor OXA: 0.07ug/L(max), 0.07ug/L(av)

Tris (chloropropyl) phosphate: 0.2ug/L (max), 0.2ug/L (av)

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

2019/20: Rolleston (Queensland) Pesticides (Note reticulated samples not provided 2019/20)

Rolleston Raw:

Atrazine: 0.01ug/L(max), 0.01ug/L(av)

N-Butylbenzene Sulfonamide: 0.2ug/L (max), 0.2ug/L (min)

Simazine: 0.01ug/L (max), 0.01ug/L (av.)

Tebuthiuron: 1.4ug/L(max), 1.4ug/L(av)

Metolachlor – OXA: 0.07ug/L(max), 0.07ug/L(av)

Tris (chloropropyl) phosphate: 0.2ug/L (max), 0.2ug/L (av)

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