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  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:

Application Submittal
Applications must be submitted through DEEP's online product registration system.

Account Maintenance

For further information, please contact the Pesticide Management Program via e-mail or write to:  Department of Energy and Environmental Protection
Bureau of Materials Management and Compliance Assurance
Pesticide Management Program
79 Elm Street
Hartford, CT 06106-5127

Content Last Updated March 4, 2021

  Pesticide Management Program