31/1/05 Barwon Water Upper Stony Creek Res #2 Hexazinone 0.18ug/L (0.045%adwgh)
7/3/05 Barwon Water Upper Stony Creek Res #2 Hexazinone 0.15ug/L (0.0375%adwgh)
7/3/05 Barwon Water Upper Stony Creek Res #2 Hexazinone 0.15ug/L (0.0375%adwgh)
https://baddevelopers.nfshost.com/Docs/GeelongWaterSupply.htm