Pesticide Product Registration Requirements
Please read this information, including the instructions provided below, carefully. Significant changes have been made to the product registration process.
1/22/2021, all registrants should have received a welcome email for the new online portal in December, if you did not get a welcome email, and currently have products registered please email us at Deep.PesticideProgram@ct.gov. If you are a new registrant and need an account please see instructions below.
All pesticides that are sold or used in Connecticut must be registered with the Department of Energy and Environmental Protection (DEEP) Pesticide Program. Pesticides are broadly defined and include insecticides, herbicides, antimicrobials, fungicides and most other products that are designed or marketed to control or repel a pest. The manufacturer or distributor is responsible for registering the product. In most cases, federal EPA registration must be obtained before the state registration process can begin. Note:
All pesticides that are sold or used in Connecticut must be registered with the Department of Energy and Environmental Protection (DEEP) Pesticide Program. Pesticides are broadly defined and include insecticides, herbicides, antimicrobials, fungicides and most other products that are designed or marketed to control or repel a pest. The manufacturer or distributor is responsible for registering the product. In most cases, federal EPA registration must be obtained before the state registration process can begin. Note:
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Pesticides exempt from federal registration under section 25(b) of FIFRA must be registered in Connecticut, more information here.
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Alternate Brand Names (ABN) must be registered separately.
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Section 22a-50(l) of the Connecticut General Statutes requires that the Commissioner classify neonicotinoids (as defined by section 22-61k of the Connecticut General Statutes) that are labeled for treating plants, as restricted use.
Applications must be submitted through DEEP's online product registration system.
- Instructions for New Product Registration
- Instructions for Product Renewals
- Instructions for New Registrants
Account Maintenance
For further information, please contact the Pesticide Management Program via e-mail or write to: Department of Energy and Environmental ProtectionBureau of Materials Management and Compliance Assurance
Pesticide Management Program
79 Elm Street
Hartford, CT 06106-5127
Content Last Updated March 4, 2021