Connecticut Department of Energy & Environmental Protection

DEEP headquarters at 79 Elm Street in Hartford is currently closed due to recent water damage impacting multiple areas of the building. We are working to remediate the situation and get the building back open to staff and the public as soon as possible. While the building is closed, Staff continue to work either remotely or in alternate locations. We continue to be able to receive documents via U.S. Mail or courier service, and our electronic file submittal protocols remain unchanged. For updates, please click here

Long Island Sound License Plate Program

Join the Drive to Preserve the Sound



Sound plates
put the environment
in the fast lane!

Long Island Sound license plate


To keep
the Sound going,
don't pass this plate!


Please note: The Long Island Sound Fund is not conducting competitive funding cycles at this time due to budgetary constraints.

Drivers who purchase Long Island Sound plates demonstrate a commitment to the preservation of Connecticut's most valuable natural resource. By joining the drive to preserve the Sound, you can also set an example for your fellow citizens. To learn more about how you can participate in the Long Island Sound License Plate Program, follow the links below:

Benefits of the Program

Order a Long Island Sound License Plate

Projects Funded Through the License Plate Program

Content Last Updated August 28, 2025