DEEP is continuing to carry out its mission and provide services while keeping both the public and our workforce safe during the COVID-19 pandemic. Click here for the latest updates on DEEP's response to COVID-19. DEEP COVID-19 Response

Pesticide Management Program

Effective 12/15/2020, the new online portal is under final construction, and should be available soon for pesticide product registrations and product renewals.  All renewals and new applications must be filed through this system.  Check your emails for your account login information, additional information may be found here.
Effective 10/31/2020, Supervisor Exams are suspended, we are working towards an online solution that we hope to have up and running this winter. Junior Operator exams will continue be administered in an online format.  Private Applicator Exams will soon be available in an online format.  Applications may be submitted through the mail, you will be given your test date and time by email. Any questions or concerns can be directed to:

4/14/2020, List N: Disinfectants for use against SARS-CoV-2.  EPA has updated the content on List N and frequently asked questions about disinfectants related to coronavirus. Please read the label before use and follow all directions. Make sure your products are on the list and registered with the EPA.  Any questions may directed to

The main goal of the Pesticide Management Program is to prevent adverse human health or environmental effects from the misuse of pesticides.

Pesticide management programs include:  


Information for Individuals/Homeowners

Certification Look Up

  • Kelly Registration Systems - Search databases for Connecticut pesticide product registrations.
  • Registered Pesticide Application Businesses by Town (PDF)(Excel)
  • Certified Commercial Pesticide Supervisors by Category  (PDF)(Excel)
  • Certified Commercial Pesticide Junior Operators (PDF)(Excel)


Useful Telephone Contacts

  • Poison Control Center:  1-800-222-1222
  • DEEP 24-hour Emergency Spill Reporting:  (860) 424-3338
  • Connecticut Agricultural Experiment Station: (203) 974-8500


For more information, please contact the Pesticide Management Program at (860) 424-3369, 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 December 15, 2020