Lake Bennett Dam is a dam located in Florence County, South Carolina, built in 1965. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 16 ft16 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 Lake Bennett Dam
The primary purpose of Lake Bennett Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lake Bennett Homeowners Association LLC (private). It impounds the Polk Swamp Creek.
The dam stands 16 feet tall, creates a reservoir covering 20 acres, and has a maximum storage capacity of 228 acre-feet. Completed in 1965, 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. The most recent inspection on record was 05/19/2022.
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Location
| State | South Carolina |
| County | Florence |
| River/Stream | Polk Swamp Creek |
| Coordinates | 34.24720, -79.67060 |
Physical Characteristics
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 228 acre-ft |
| Max Storage | 228 acre-ft |
| Normal Storage | 168 acre-ft |
| Surface Area | 20 acres |
Ownership & Safety
| Purpose | Recreation |
| Owner | Lake Bennett Homeowners Association LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 05/19/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | SCD03571 |
| Federal ID | SCD03571 |
| More Info | State Dam Safety Program |