Vergennes Center Spillway
Vergennes Center Spillway is a concrete dam located in Addison County, Vermont, built in 1912. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Vergennes Center Spillway
The primary purpose of Vergennes Center Spillway 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 Green Mountain Power Corporation (public utility). It impounds the Otter Creek near Vergennes.
The dam stands 12 feet tall and stretches 60 feet across, creates a reservoir covering 133 acres, has a maximum storage capacity of 200 acre-feet, and collects water from a drainage area of 866 square miles. Completed in 1912, 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 05/18/2022.
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Location
| State | Vermont |
| County | Addison |
| Nearest City | Vergennes |
| River/Stream | Otter Creek |
| Coordinates | 44.16620, -73.25630 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 60 ft |
| Year Completed | 1912 (114 years old) |
Storage & Hydraulics
| NID Storage | 200 acre-ft |
| Max Storage | 200 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 133 acres |
| Drainage Area | 866 sq mi |
| Max Discharge | 3,459 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Green Mountain Power Corporation |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/18/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | VT00036 |
| Federal ID | VT00036S001 |
| More Info | State Dam Safety Program |