Tadma Pond Dam is an earth dam located in New London County, Connecticut, built in 1966. It carries a Significant hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 22 ft22 ft tall and 180 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Tadma Pond Dam
The primary purpose of Tadma Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Long Rivers Council Bsa (private). It impounds the Tadma Brook near Bozrah.
The dam stands 22 feet tall and stretches 180 feet across, creates a reservoir covering 29 acres, has a maximum storage capacity of 216 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1966, the structure is well into its service life at over 50 years old.
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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 09/16/2014. That was over 12 years ago.
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Location
| State | Connecticut |
| County | New London |
| Nearest City | Bozrah |
| River/Stream | Tadma Brook |
| Coordinates | 41.51760, -72.16346 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 180 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 216 acre-ft |
| Max Storage | 216 acre-ft |
| Normal Storage | 216 acre-ft |
| Surface Area | 29 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,194 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Long Rivers Council Bsa |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 09/16/2014 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT00511 |
| Federal ID | CT00511 |
| More Info | State Dam Safety Program |