| Date | Location | Pesticide | Value µg/L |
| 12/10/2016 | Lake Hume at Bethanga Bridge, Bellbridge | Atrazine | 0.01 |
| 8/11/2012 | Lake Hume at Bethanga Bridge, Bellbridge | MCPA | 0.01 |
| 14/10/2015 | Lake Hume at Bethanga Bridge, Bellbridge | MCPA | 0.01 |
| 12/10/2016 | Lake Hume at Bethanga Bridge, Bellbridge | Simazine | 0.05 |
| 12/10/2016 | Lake Hume at Bethanga Bridge, Bellbridge | Terbufos | 0.01 |