Ivy River is a gravity dam located in Madison County, North Carolina, built in 1918. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 63 ft63 ft tall and 316 ft long, taller than 95% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Ivy River
The primary purpose of Ivy River 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 Madison Hydro Partners (private). It impounds the Ivy River, French Broad River near Marshall.
The dam stands 63 feet tall and stretches 316 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 40 acre-feet, and collects water from a drainage area of 1,364 square miles. Completed in 1918, 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 05/17/2019.
At 63 feet, this dam is taller than 95% of all dams in the United States.
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Location
| State | North Carolina |
| County | Madison |
| Nearest City | Marshall |
| River/Stream | Ivy River, French Broad River |
| Coordinates | 35.77177, -82.61845 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 63 ft |
| Dam Height | 62 ft |
| Dam Length | 316 ft |
| Year Completed | 1918 (108 years old) |
Storage & Hydraulics
| NID Storage | 40 acre-ft |
| Max Storage | 40 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 1,364 sq mi |
| Max Discharge | 1,300 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Madison Hydro Partners |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/17/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NC03365 |
| Federal ID | NC03365 |
| More Info | State Dam Safety Program |