Spray Drift in NSW: What to Do When It Crosses the Fence
In the Gwydir Valley, where cotton and grain farms sit side by side across hundreds of thousands of hectares, spray drift incidents get taken seriously. Some seasons they've been costly. Knowing what to do in the first 24 to 48 hours, whether you're on the receiving end or the sending end, can be the difference between a manageable situation and a protracted dispute that nobody wins.
If Spray Has Hit Your Crop
Speed matters. Evidence fades, plant damage progresses, and the EPA's ability to investigate weakens the longer you wait. Here's the order of priority.
Photograph everything first. Date-stamped photos from multiple angles. The full extent of the damage area, where it starts, where it stops, and what pattern it follows. A drone flight over the affected paddock, if you've got access, shows spread clearly and is hard to dispute later. Don't disturb the plants before this step is done.
Collect plant samples. Affected leaf and stem material in labelled zip-lock bags kept cool. Residue analysis from a NATA-accredited laboratory can confirm which product caused the damage and at what concentration. That's critical evidence if the source is disputed. Your agronomist can advise on the right sampling approach.
Note the weather history. What was the wind direction in the days prior? Which direction does the damage pattern run? What's growing upwind? Cross-referencing the damage with wind records frequently points clearly to a source without needing anything else.
Report to the EPA Environment Line: 131 555, operating 24 hours. The EPA advises reporting as soon as possible because delays reduce their ability to document the incident properly. Local Land Services is also worth contacting. For what the legal framework looks like once an investigation starts, our article on NSW spray regulations covers the Pesticides Act obligations in detail.
💡 Don't remove damaged plants before an assessor or agronomist has seen them. Pulling out the evidence before documentation weakens your position considerably.
Talk to the Neighbour First
This is the conversation most people want to avoid, but in North West NSW most drift incidents aren't malicious. They're conditions that changed faster than expected, a label misread, or a job that should have waited for better weather. A direct, calm conversation between neighbours resolves more drift situations around Moree than the formal EPA process does.
If the person responsible acknowledges what happened and is willing to discuss compensation, that's usually faster and less damaging to the working relationship than a formal complaint. Approach it as a shared problem, not an accusation. If the conversation doesn't go well, the formal reporting route is still available.
If Your Spray Has Drifted Next Door
Contact your neighbour before they contact you. If you become aware during or after a job that your spray has moved off-target, that phone call is the single most important thing you can do. Acknowledge it without speculating on the extent of damage and offer to have an independent assessment done. In the Gwydir Valley, where farming families have often known each other for generations, handling it early and honestly protects both the working relationship and your legal position.
Pull your spray records immediately. What did you apply, at what rate, at what time, and under what weather conditions? Those records demonstrate you followed label directions and worked within required parameters. If you did, and your records show it, that's a meaningful legal protection.
Notify your public liability insurer early. Spray drift claims against cotton crops can be substantial. Your insurer needs to be across the situation from the start, not after a claim has already been lodged. The importance of keeping thorough weather and application records, which is covered in detail in the spray regulations article, is exactly why those records matter beyond compliance.
How the EPA Investigates
Under the Pesticides Act 1999, using a pesticide in a way likely to damage property or harm non-target plants is an offence. An EPA investigation typically covers interviewing both parties, reviewing spray records, inspecting equipment and assessing the weather conditions at the time of application. Operators who followed label directions and worked within correct conditions are in a significantly stronger position than those who didn't.
Report to the EPA Environment Line: 131 555. It operates 24 hours a day.
Prevention Is Still the Best Outcome
The Gwydir Valley has had damaging drift seasons, but incidents have reduced in recent years as inversion awareness and 2,4-D management have improved. Better weather monitoring, better nozzle selection, and basic communication between neighbours have made a real difference.
For the practical steps that prevent incidents from happening in the first place, our article on how to prevent spray drift is where to start.
Gwydir Crop Care is based in Moree and services farms across the Gwydir Valley and North West NSW within 100 km. Warren and the team are ChemCert-accredited, fully insured, and schedule around your season, whether that means early starts, late finishes, or getting on the phone when rain is forecast.
Call Warren: 0488 175 275 | warren@gwydircropcare.com.au | gwydircropcare.com.au