O'neal Pond Dam is a dam located in Allendale County, South Carolina, built in 1955. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 22 ft22 ft tall. 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 O'neal Pond Dam
The primary purpose of O'neal Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Chgc Holdings (private). It impounds the Duck Branch.
The dam stands 22 feet tall, creates a reservoir covering 62 acres, and has a maximum storage capacity of 496 acre-feet. Completed in 1955, 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 02/22/2023.
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Location
| State | South Carolina |
| County | Allendale |
| River/Stream | Duck Branch |
| Coordinates | 32.93600, -81.27300 |
Physical Characteristics
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 496 acre-ft |
| Max Storage | 496 acre-ft |
| Normal Storage | 248 acre-ft |
| Surface Area | 62 acres |
Ownership & Safety
| Purpose | Recreation |
| Owner | Chgc Holdings |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 02/22/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | SCD02568 |
| Federal ID | SCD02568 |
| More Info | State Dam Safety Program |