North Troy
North Troy is a concrete dam located in Orleans County, Vermont, built in 1920. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About North Troy
The primary purpose of North Troy 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 Missisquoi River Hydro Llc (private). It impounds the Missisquoi River near North Troy.
The dam stands 12 feet tall and stretches 90 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 60 acre-feet, and collects water from a drainage area of 137 square miles. Completed in 1920, 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 05/15/2019.
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Location
| State | Vermont |
| County | Orleans |
| Nearest City | North Troy |
| River/Stream | Missisquoi River |
| Coordinates | 44.99530, -72.40050 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 90 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 137 sq mi |
| Max Discharge | 1,456 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Missisquoi River Hydro LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/15/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | VT00344 |
| Federal ID | VT00344 |
| More Info | State Dam Safety Program |