Mechanicsville
Mechanicsville is a masonry dam located in Windham County, Connecticut, built in 1900. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Mechanicsville
The primary purpose of Mechanicsville is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Saywatt Hydroelectric, Llc (private). It impounds the French River near Thompson.
The dam stands 18 feet tall and stretches 420 feet across, creates a reservoir covering 48 acres, has a maximum storage capacity of 330 acre-feet, and collects water from a drainage area of 112 square miles. Completed in 1900, the structure is over a century old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 07/10/2018.
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Location
| State | Connecticut |
| County | Windham |
| Nearest City | Thompson |
| River/Stream | French River |
| Coordinates | 41.94330, -71.89520 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 420 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 330 acre-ft |
| Max Storage | 330 acre-ft |
| Normal Storage | 330 acre-ft |
| Surface Area | 48 acres |
| Drainage Area | 112 sq mi |
| Max Discharge | 10,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Saywatt Hydroelectric, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/10/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CT00182 |
| Federal ID | CT00182 |
| More Info | State Dam Safety Program |