Minnesota Pesticide Record Keeping & Compliance
Minnesota regulates commercial pesticide application through the Minnesota Department of Agriculture (MDA). Commercial lawn applicators must be licensed, post warning signs at the time of application, and keep same-day records for five years.
Published July 31, 2026 · Last reviewed July 31, 2026
Record keeping in Minnesota
Retention: 5 years. Minnesota commercial applicators must keep pesticide application records for five years. Records must be completed the day of the application and include the date and time, location, product and EPA registration number, rate and total amount, and the licensed applicator — and they must be available to the MDA on request.
Licensing: Commercial Pesticide Applicator License, administered by Minnesota Department of Agriculture (MDA).
Notification & posting rules
Minnesota requires warning signs to be posted on lawns at the time of a commercial application, and the signs must stay up for the label-specified re-entry period.
Frequently asked questions
How long do Minnesota applicators keep pesticide records?
Five years — longer than the federal two-year baseline. Records must be completed the same day as the application and produced for the MDA on request.
Does Minnesota require lawn posting after applications?
Yes — commercial lawn applications require warning signs posted at the time of application, left in place through the label's re-entry period.
Who licenses pesticide applicators in Minnesota?
The Minnesota Department of Agriculture licenses commercial pesticide applicators and the companies they work for.
Educational summary, not legal advice — verify current requirements with Minnesota Department of Agriculture (MDA).
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