Marshall
Marshall is a gravity dam located in Madison County, North Carolina, built in 1911. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Marshall
The primary purpose of Marshall 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 Duke Energy (public utility). It impounds the French Broad River.
The dam stands 37 feet tall and stretches 583 feet across, creates a reservoir covering 50 acres, has a maximum storage capacity of 400 acre-feet, and collects water from a drainage area of 1,343 square miles. Completed in 1911, 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 06/15/2022.
At 37 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | North Carolina |
| County | Madison |
| Nearest City | None |
| River/Stream | French Broad River |
| Coordinates | 35.79325, -82.71031 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 37 ft |
| Dam Height | 37 ft |
| Dam Length | 583 ft |
| Year Completed | 1911 (115 years old) |
Storage & Hydraulics
| NID Storage | 400 acre-ft |
| Max Storage | 400 acre-ft |
| Normal Storage | 400 acre-ft |
| Surface Area | 50 acres |
| Drainage Area | 1,343 sq mi |
| Max Discharge | 65,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Duke Energy |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/15/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NC05539 |
| Federal ID | NC05539 |
| More Info | State Dam Safety Program |