Williams Pond Dam
Williams Pond Dam is an earth dam located in New London County, Connecticut, built in 1865. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Williams Pond Dam
The primary purpose of Williams Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town Of Lebanon (local government). It impounds the Bartlett Brook near Gilman.
The dam stands 26 feet tall and stretches 792 feet across, creates a reservoir covering 263 acres, has a maximum storage capacity of 3,993 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1865, the structure is one of the older dams in the region, with over a century and a half of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 05/03/2021.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Connecticut |
| County | New London |
| Nearest City | Gilman |
| River/Stream | Bartlett Brook |
| Coordinates | 41.63006, -72.30111 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 792 ft |
| Year Completed | 1865 (161 years old) |
Storage & Hydraulics
| NID Storage | 3,993 acre-ft |
| Max Storage | 3,993 acre-ft |
| Normal Storage | 3,520 acre-ft |
| Surface Area | 263 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 283 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Town of Lebanon |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/03/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT00551 |
| Federal ID | CT00551 |
| More Info | State Dam Safety Program |