| Date | Location | Pesticide | Value µg/L |
| 23/04/2014 | King River at Oxley Offtake | 2,6-D | 0.01 |
| 12/06/2013 | King River at Oxley Offtake | MCPA | 0.07 |
| 28/04/2015 | King River at Oxley Offtake | Triclopyr | 0.04 |
| 27/01/2016 | King River at Oxley Offtake | Triclopyr | 0.03 |
| Date | Location | Pesticide | Value µg/L |
| 23/04/2014 | King River at Oxley Offtake | 2,6-D | 0.01 |
| 12/06/2013 | King River at Oxley Offtake | MCPA | 0.07 |
| 28/04/2015 | King River at Oxley Offtake | Triclopyr | 0.04 |
| 27/01/2016 | King River at Oxley Offtake | Triclopyr | 0.03 |