City of Jonesville Dam is a dam located in Union County, South Carolina, built in 1969. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 32 ft32 ft tall, taller than 74% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About City of Jonesville Dam
The primary purpose of City of Jonesville Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Sc Department of Natural Resources;town of Jonesville (state). It impounds the Eison Branch.
The dam stands 32 feet tall, creates a reservoir covering 26 acres, and has a maximum storage capacity of 345 acre-feet. Completed in 1969, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 08/09/2022.
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Location
| State | South Carolina |
| County | Union |
| River/Stream | Eison Branch |
| Coordinates | 34.85770, -81.68000 |
Physical Characteristics
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 345 acre-ft |
| Max Storage | 345 acre-ft |
| Normal Storage | 240 acre-ft |
| Surface Area | 26 acres |
Ownership & Safety
| Purpose | Recreation |
| Owner | Sc Department of Natural Resources;town of Jonesville |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 08/09/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | SCD02161 |
| Federal ID | SCD02161 |
| More Info | State Dam Safety Program |