Wyoming Pesticide Record Keeping & Compliance
Wyoming regulates commercial pesticide application through the Wyoming Department of Agriculture (WDA). Applicators for hire hold a WDA commercial license and keep complete records of every application.
Published July 31, 2026 · Last reviewed July 31, 2026
Record keeping in Wyoming
Retention: 2 years. Wyoming commercial applicators must keep records of their pesticide applications for at least two years. Records include the date, the property treated, the product and EPA registration number, the rate and total amount, and the licensed applicator responsible.
Licensing: Commercial Applicator License, administered by Wyoming Department of Agriculture (WDA).
Frequently asked questions
How long must pesticide records be kept in Wyoming?
At least two years for commercial applications. Records should identify the date, site, product and EPA registration number, rate and amount, and the licensed applicator.
Who licenses pesticide applicators in Wyoming?
The Wyoming Department of Agriculture licenses commercial applicators and pesticide businesses, with ornamental and turf as its own category.
Does Wyoming have notification requirements?
Wyoming has no statewide neighbor-notification law, but label posting and re-entry requirements always apply — dated records prove you followed them.
Educational summary, not legal advice — verify current requirements with Wyoming Department of Agriculture (WDA).
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