Montana Pesticide Record Keeping & Compliance
Montana regulates commercial pesticide application through the Montana Department of Agriculture. Applicators for hire hold an MDA commercial license and keep complete records of every application for three years.
Published July 31, 2026 · Last reviewed July 31, 2026
Record keeping in Montana
Retention: 2 years. Montana commercial applicators and operators must keep records of their pesticide applications for at least two years under the Montana Pesticides Act and its rules. 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 Montana Department of Agriculture (MDA).
Frequently asked questions
How long must pesticide records be kept in Montana?
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 Montana?
The Montana Department of Agriculture licenses commercial applicators and pesticide businesses, with ornamental and turf as its own category.
Does Montana have notification requirements?
Montana has no statewide neighbor-notification law, but label posting and re-entry requirements always apply, and dated records are how you prove compliance.
Educational summary, not legal advice — verify current requirements with Montana Department of Agriculture (MDA).
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