Moodus Reservoir Dam
Moodus Reservoir Dam is an earth dam located in Middlesex County, Connecticut, built in 1882. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Moodus Reservoir Dam
The primary purpose of Moodus Reservoir 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 Moodus River near Bashan.
The dam stands 18 feet tall and stretches 275 feet across, creates a reservoir covering 451 acres, has a maximum storage capacity of 4,293 acre-feet, and collects water from a drainage area of 10 square miles. Completed in 1882, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 10/27/2021.
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Location
| State | Connecticut |
| County | Middlesex |
| Nearest City | Bashan |
| River/Stream | Moodus River |
| Coordinates | 41.51395, -72.42652 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 275 ft |
| Year Completed | 1882 (144 years old) |
Storage & Hydraulics
| NID Storage | 4,293 acre-ft |
| Max Storage | 4,293 acre-ft |
| Normal Storage | 2,940 acre-ft |
| Surface Area | 451 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 2,182 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Connecticut DEEP |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/27/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT00350 |
| Federal ID | CT00350 |
| More Info | State Dam Safety Program |