J O Clark Dam is a dam located in Edgefield County, South Carolina, built in 1988. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 28 ft28 ft tall, taller than 62% 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 J O Clark Dam
The primary purpose of J O Clark Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Clark Nicholson Farm Llc;johnny W Clark Et Al (private). It impounds the Tr-flat Rock Branch.
The dam stands 28 feet tall, creates a reservoir covering 6 acres, and has a maximum storage capacity of 90 acre-feet. Completed in 1988, the structure is 38 years 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 07/24/2017.
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Location
| State | South Carolina |
| County | Edgefield |
| River/Stream | Tr-flat Rock Branch |
| Coordinates | 33.82480, -81.76840 |
Physical Characteristics
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Year Completed | 1988 (38 years old) |
Storage & Hydraulics
| NID Storage | 90 acre-ft |
| Max Storage | 90 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 6 acres |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Clark Nicholson Farm Llc;johnny W Clark Et Al |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 07/24/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SCD04353 |
| Federal ID | SCD04353 |
| More Info | State Dam Safety Program |