Brandagee Lake Dam
Brandagee Lake Dam is an earth dam located in New London County, Connecticut, built in 1897. It carries a Significant hazard potential classification and has a fair condition assessment.
About Brandagee Lake Dam
The primary purpose of Brandagee Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of New London (local government). It impounds the Green Swamp Brook near New London.
The dam stands 15 feet tall and stretches 450 feet across, creates a reservoir covering 45 acres, has a maximum storage capacity of 530 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1897, the structure is over a century 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 04/03/2023.
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Location
| State | Connecticut |
| County | New London |
| Nearest City | New London |
| River/Stream | Green Swamp Brook |
| Coordinates | 41.37134, -72.12194 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 450 ft |
| Year Completed | 1897 (129 years old) |
Storage & Hydraulics
| NID Storage | 530 acre-ft |
| Max Storage | 530 acre-ft |
| Normal Storage | 350 acre-ft |
| Surface Area | 45 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 890 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of New London |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 04/03/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT00153 |
| Federal ID | CT00153 |
| More Info | State Dam Safety Program |