Delaware pesticide record keeping requirements
Delaware regulates commercial pesticide application through the Department of Agriculture's Pesticides Section. Applicators for hire must be certified, post treated lawns, and keep complete application records.
Use TurfTechAdvisor software to organize pesticide application details in a digital record form. Review the state guidance below and your agency’s requirements when deciding which fields and additional records your work needs.
Published July 31, 2026 · Last reviewed July 31, 2026
Record keeping in Delaware
Retention: 2 years. Delaware commercial applicators must keep records of their pesticide applications for at least two years under the Delaware Pesticide Law. Records include the date, location, product and EPA registration number, rate and total amount, target pest, and the certified applicator responsible.
Licensing: Commercial Applicator Certification, administered by Delaware Department of Agriculture — Pesticides Section.
Notification & posting rules
Delaware requires commercial lawn applications to be posted with markers at the time of application so occupants and neighbors can see a treatment was made.
Frequently asked questions
How long must pesticide records be kept in Delaware?
At least two years for commercial applications. Records should identify the date, site, product and EPA registration number, rate and amount, target pest, and the certified applicator.
Does Delaware require lawn posting after applications?
Yes — commercial lawn applications are marked with posting signs at the time of application.
Who certifies pesticide applicators in Delaware?
The Delaware Department of Agriculture's Pesticides Section certifies commercial applicators and registers pesticide businesses.
Educational summary, not legal advice — verify current requirements with Delaware Department of Agriculture — Pesticides Section.
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Related state guides
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