2003 August – 2011 July: Stony Creek Reservoir #3 Pesticide Detections: 2,4-D, Hexazinone, Atrazine

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Pesticide detections in Stony Creek Reservoir #3, which lies north of Geelong in the Moorabool River Catchment. The Hexazinone detections were due to an incident at Korweinguboora plantation owned by Hancock Victorian Plantations. This event polluted Stony Creek #3 Reservoir for 18 months between December 2004 and June 2006. Atrazine was detected in the reservoir between April and July 2011.

5/8/03 Barwon Water Stony Creek Res #3 2,4-D 20ug/l (66.67%adwgh) – Third highest detection of 2,4-D in a Victorian (and possibly Australian) water supply.

1/12/04 Barwon Water Stony Creek Reservoir #3 Hexazinone 0.32ug/L (0.08%adwgh)

31/1/05 Barwon Water Stony Creek Reservoir #3 Hexazinone 0.22ug/L (0.055%adwgh)

31/1/05 Barwon Water Stony Creek Reservoir #3 Hexazinone 0.21ug/L (0.0525%adwgh)

7/3/05 Barwon Water Stony Creek Reservoir #3 Hexazinone 0.22ug/L (0.055%adwgh)

7/3/05 Barwon Water Stony Creek Reservoir #3 Hexazinone 0.24ug/L (0.06%adwg)

7/3/05 Barwon Water Stony Creek Reservoir #3 Hexazinone 0.16ug/L (0.04%adwgh)

4/1/06 Barwon Water Stony Creek Reservoir #3 Hexazinone 0.20ug/L (0.05%adwgh)

7/2/06 Barwon Water Stony Creek Reservoir#3 Hexazinone 0.20ug/L (0.05%adwgh)

5/4/06 Barwon Water Stony Creek Reservoir #3 Hexazinone 0.18ug/L (0.045%adwgh)

7/6/06 Barwon Water Stony Creek Reservoir #3 Hexazinone 0.084ug/L (0.021%adwgh)

17/4/11 Barwon Water M6/3 Stony Creek Reservoir 3 Atrazine 0.1ug/L (0.5%adwgh)

22/6/11 Barwon Water M6/3 Stony Creek Reservoir 3 Atrazine 0.1ug/L (0.5%adwgh)

19/7/11 Barwon Water M6/3 Stony Creek Reservoir 3 Atrazine 0.5ug/L (2.5%adwgh)

http://baddevelopers.nfshost.com/Docs/GeelongWaterSupply.htm