Bashan Lake Dam
Bashan Lake Dam is an earth dam located in Middlesex County, Connecticut, built in 1939. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Bashan Lake Dam
The primary purpose of Bashan 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 Moodus River near Bashan.
The dam stands 24 feet tall and stretches 170 feet across, creates a reservoir covering 267 acres, has a maximum storage capacity of 4,890 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1939, the structure is well-established, with more than 75 years 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. An emergency action plan is in place for this dam. The most recent inspection on record was 10/25/2021.
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Location
| State | Connecticut |
| County | Middlesex |
| Nearest City | Bashan |
| River/Stream | Moodus River |
| Coordinates | 41.49924, -72.41625 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 170 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 4,890 acre-ft |
| Max Storage | 4,890 acre-ft |
| Normal Storage | 4,555 acre-ft |
| Surface Area | 267 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 165 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Connecticut DEEP |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/25/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT00354 |
| Federal ID | CT00354 |
| More Info | State Dam Safety Program |