Cone Mills Dam
Cone Mills Dam is a concrete dam located in Rutherford County, North Carolina, built in 1900. It carries a Low hazard potential classification and has a unsatisfactory condition assessment.
About Cone Mills Dam
The primary purpose of Cone Mills Dam 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 Cliffside Hydro, Llc (public utility). It impounds the Second Broad River near Cliffside.
The dam stands 31 feet tall and stretches 250 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 77 acre-feet, and collects water from a drainage area of 220 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 unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 06/24/2022.
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Location
| State | North Carolina |
| County | Rutherford |
| Nearest City | Cliffside |
| River/Stream | Second Broad River |
| Coordinates | 35.23780, -81.76740 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 31 ft |
| Dam Length | 250 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 77 acre-ft |
| Max Storage | 77 acre-ft |
| Normal Storage | 64 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 220 sq mi |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Cliffside Hydro, LLC |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 06/24/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NC00134 |
| Federal ID | NC00134 |
| More Info | State Dam Safety Program |