DATCP says Chlorpyrifos use on crops discontinued - Wisconsin Farmer
Chlorpyrifos use on crops discontinued in Wisconsin due to DATCP action.
Aforeworn detected this change in the Pesticide & Pest-Control Applicators space on July 8, 2026 and published this briefing so affected operators are forewarned rather than caught off guard. It is rated High urgency. Agricultural applicators in Wisconsin should confirm how it applies to their specific situation before acting. There is a time constraint attached: Immediate. Acting after that point can mean penalties, a lapsed licence, or lost eligibility — exactly the kind of surprise Aforeworn exists to prevent. Aforeworn monitors Pesticide & Pest-Control Applicators continuously and turns every detected change into a plain-English briefing like this one, so you always know first. Forewarned is forearmed. Regulated niches like Pesticide & Pest-Control Applicators move faster than most operators can track by hand, which is why Aforeworn watches the official sources for you and flags every material change the moment it appears.
What changed
Chlorpyrifos is no longer allowed for use on crops in Wisconsin.
Who it affects
Agricultural applicators in Wisconsin
What you must do
Stop using chlorpyrifos on crops immediately and dispose of existing stock per regulations.
Deadline
Immediate
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