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

Dam Registration and Dam Recordation

Dam Registration

All dams in the State of Connecticut must be registered.  Please review the Dam Registration Fact Sheet. 

Before filling out a dam registration form, you should verify that you or a former owner did not already register the dam: Dam Safety Inventory of Dams in Connecticut

To assist in the completion of a dam registration form, a diagram of a typical dam is available.

Contact the DEEP Dam Safety Regulatory Program at (860) 424-3706 or by email at DEEP.DamSafety@ct.gov to receive a dam registration form.

 

Dam Recordation

Effective October 1, 2007, owners of High and Significant Hazard dams are required to file a Notice of a High Hazard Dam or a Significant Hazard Dam on the Municipal Land Records.

Notice of a High Hazard Dam or a Significant Hazard Dam (Word, PDF; Instructions)


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Content last updated November 2025