1998 September – 2024 February: Anstey Hill Water Treatment Plant (SA). Pesticides detected: Simazine, Chlordane, Dieldrin, MCPA

Anstey Hill Water Treatment Plant Inlet – Pesticide detections 1998 – 2002.

Anstey Hill was the second of Adelaide’s water filtration plants to be commissioned and was completed in 1980. It treats water from the Mannum-Adelaide pipeline and the Millbrook Reservoir and supplies suburbs to the north-east of Adelaide.

1998 September 14 Simazine 0.67ug/L

1998 September 17 Simazine 0.74ug/L

1998 September 21 Simazine 0.77ug/L

1998 September 28 Simazine 0.6ug/L

1998 October 14 Simazine 0.5ug/L

1998 October 19 Simazine 0.55ug/L

1998 October 26 Simazine 0.53ug/L

2002 March 4 Chlordane-a 0.01ug/L

2002 March 4 Chlordane-a 0.03ug/L

2002 March 4 Dieldrin-a 0.02ug/L

Source: SA Water FoI 2011

Anstey Hill Water Treatment Plant Inlet 2012-24

3/12/12: MCPA 0.07ug/L

28/1/14: MCPA 0.06ug/L

19/5/14: MCPA 0.05ug/L

12/12/16: MCPA 0.07ug/L

13/11/17: MCPA 0.09ug/L

11/12/17 MCPA 0.07ug/L

12/2/24 MCPA 0.06ug/L

Source: SA Water FoI’s 2015/24