Contact the Connecticut DEEP

General Contact Information

Mailing Address:

Connecticut Department of Energy and Environmental Protection
79 Elm Street
Hartford, CT  06106-5127

General Information:


E-mail: (Please include your name, postal mail address and telephone number in any e-mail inquiries. In many cases it would be most efficient to respond to you by telephone or postal mail.)

FOIA Requests

ADA Coordinator

Any person with a disability who may need a communication aid or service should contact us at 860-418-5910 or at

Hours of Operation

Please note that the operational hours listed below are subject to change. Please call ahead to confirm that the office is open, especially prior to major holidays or during periods of severe weather. Hours may also be reduced at the District Offices during the off-season period between Labor Day and Memorial Day.

DEEP Headquarters
79 Elm Street, Hartford

  • Normal Business Hours are Monday through Friday, 8:30 a.m. to 4:30 p.m.  (see below for individual office hours)

  • Environmental Quality Records Center (File Room) is open on Tuesday, Wednesday and Thursday from 9:00 a.m. - 4:00 p.m. No files are pulled between 11:30 a.m. and 1:00 p.m. or after 2:30 p.m. The Records Center is open on Monday and Friday by appointment only

  • License and Revenue Office is open to the public, Monday through Friday, 9:00 a.m. - 4:00 p.m. to purchase Hunting Licenses and Permits, Certificates of Personal Watercraft Operation/Safe Boating, Personal Use or Commercial Fishing Licenses, and State Park Passes.

  • Central Permit Processing Unit (CPPU) is open Monday through Friday, 8:30 a.m - 4:30 p.m. to accept applications and associated documents for environmental permits for the Bureaus of Air Management, Materials Management and Compliance Assurance, and Water Protection and Land Reuse.

Energy Bureau/Public Utilities Regulatory Authority (PURA)
10 Franklin Square, New Britain

  • General Hours are Monday through Friday, 8:30 a.m. – 4:30 p.m.

Marine District Headquarters
333 Ferry Road, Old Lyme  (Mailing address:  P.O. Box 280, Old Lyme, CT  06371-0280)

  • Walk-in hours are Monday-Friday, 8:30 a.m. - 4:00 p.m.
  • Boating Division - 860-434-8638; Phone Hours - Monday through Friday, 8:00 a.m. - 4:30 p.m.
  • Marine Fisheries Division - 860-434-6043; Phone Hours - Monday through Friday, 8:30 a.m. - 4:30 p.m.
  • Obtain hunting and fishing licenses
  • Obtain applications for safe boating/personal use watercraft certificates

Eastern District Headquarters
209 Hebron Road, Marlborough

  • General Hours are Monday through Friday, 8:00 a.m. – 3:30 p.m. (Call ahead for off-season hours.) 

  • Obtain hunting and fishing licenses.

  • Obtain applications for safe boating/personal use watercraft certificates - Tuesday, Wednesday, and Thursday, 8:00 a.m. – 3:30 p.m.

Western District Headquarters
(New location)
2065 Thomaston Road, Watertown (Black Rock State Park)
Get Directions

  • Walk-in hours are Monday through Friday, 8:30 a.m. – 3:30 p.m. 

  • Obtain hunting and fishing licenses.

Content last updated in April 2024.