2014 May – 2014 July: Great Forester River (Tas). Pesticides detected: 2,4-D.

GREAT FORESTER RIVER AT FORESTER ROAD BRIDGE (#19207)

9/5/14: 2,4-D 0.05ug/L

14/7/14: 2,4-D 0.12ug/L

Source: Pesticide Water Monitoring Program – Routine Monitoring Results (Tas Govt)

https://dpipwe.tas.gov.au/Documents/Baseline%20Monitoring%20Program.pdf