Red Cedar Lake Dam
Red Cedar Lake Dam is a concrete dam located in New London County, Connecticut, built in 1900. It carries a Significant hazard potential classification and has a fair condition assessment.
About Red Cedar Lake Dam
The primary purpose of Red Cedar Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Connecticut Deep (state). It impounds the Yantic River Trib near Lebanon.
The dam stands 9 feet tall and stretches 600 feet across, creates a reservoir covering 130 acres, has a maximum storage capacity of 455 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1900, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 10/06/2020.
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Location
| State | Connecticut |
| County | New London |
| Nearest City | Lebanon |
| River/Stream | Yantic River Trib |
| Coordinates | 41.55969, -72.22979 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 600 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 455 acre-ft |
| Max Storage | 455 acre-ft |
| Normal Storage | 455 acre-ft |
| Surface Area | 130 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 20 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Connecticut DEEP |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 10/06/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT00558 |
| Federal ID | CT00558 |
| More Info | State Dam Safety Program |