The Mattabassett District
245 Main Street
Cromwell, CT 06416
Arthur G. Simonian, P.E. LEED - Executive Director
Melissa Lancia - Office Supervisor
Holiday Schedule: The Office is closed on certain holidays. Click here to see the list.
For general inquiries during normal office hours, please contact The Mattabassett District's Office Supervisor, Melissa Lancia, at 860-635-5550, ext. 200.
Note: The plant operates 24/7, and you may call with an odor complaint, or any other concern, at any time, Weekends, Holidays, day or night.