DATCP says Chlorpyrifos use on crops discontinued - Wisconsin Farmer
Wisconsin DATCP has discontinued the use of chlorpyrifos on crops, affecting agricultural applicators who previously relied on this insecticide.
Aforeworn detected this change in the Pesticide & Pest-Control Applicators space on August 7, 2026 and published this briefing so affected operators are forewarned rather than caught off guard. It is rated High urgency. Agricultural pesticide applicators in Wisconsin who use chlorpyrifos on crops. should confirm how it applies to their specific situation before acting. There is a time constraint attached: Immediate, as the discontinuation is in effect.. 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.
What changed
Chlorpyrifos use on crops is discontinued by the Wisconsin Department of Agriculture, Trade and Consumer Protection (DATCP).
Who it affects
Agricultural pesticide applicators in Wisconsin who use chlorpyrifos on crops.
What you must do
Stop using chlorpyrifos on crops and identify alternative pest control methods or products.
Deadline
Immediate, as the discontinuation is in effect.
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