I got an answer from DEEP pertaining to Beaver Dams.

Jim McCutcheon, I have coordinated with other DEEP staff in Wildlife, fisheries and parks. Here are the essence of their responses:
Dam safety, Parks and Wildlife: The beaver dam as it is currently located and constructed doesn’t seem to cause a detrimental effect on homes and structures. No special consideration needs to be made to insure the timely removal of the beavers or beaver dam from this area.
Fisheries: The beaver dam is located upstream of many larger dams on the Pachaug river, and the beavers have been in this area for several years. Because of these factors, there isn’t a need to either remove the dam or trap the beavers in this area.

Thank you Mr. McCutcheon for alerting us to this beaver dam. Although the dam doesn’t appear to be a problem at this time and we don’t have any reason to remove it and/or relocate the beavers, it’s good to know that our property is being used to its fullest and residents are paying attention to the condition of the property.

Thank you. Art

Arthur P. Christian II P.E.
Supervising Civil Engineer
Dam Safety, Inland Water Resources Division
Bureau of Water Protection and Land Reuse
Connecticut Department of Energy and Environmental Protection