2012 – 2013: Herbert River Ingham (Qld). Pesticides: Ametryn, Atrazine, Diuron, Hexazinone

HerbertĀ  River at Ingham

Ametryn 7.8kg, Total Atrazine 120kg, Diuron 270kg, Hexazinone 81kg

Land Use Yield

Ametryn (Sugarcane) 0.032 kg/km2

Atrazine (Cropping, Forestry & Sugarcane) 0.18kg/km2

Diuron (Cropping, Horticulture & Sugarcane) 0.98kg/km2

Hexazinone (Forestry, Grazing & Sugarcane) 0.014kg/km2

Source: Reef Water Quality Protection Plan. Total Suspended Solids, Nutrients & Pesticide Loads (2012-2013) for Rivers that Discharge to the Great Barrier Reef – Great Barrier Reef Catchment Loads Monitoring 2012-2013

https://www.reefplan.qld.gov.au/measuring-success/paddock-to-reef/assets/2012-2013-gbr-catchment-loads-technical-report.pdf