To protect the health and safety of the public and our employees, DCP employees will no longer be at 450 Columbus Blvd. Please do not send mail. We recommend using our online services, or sending an email to the appropriate division/person instead. Phone lines will have limited support, and voicemails will be returned when possible. We apologize for any inconvenience.

Hazardous Materials

Hazardous material is regulated by the Department of Emergency Services and Public Protection.    

Phone: (860) 685-8350 (hazardous materials engineering)

Phone: (860) 685-8460 (investigation and enforcement)