Mccollough Upper Pond Dam is a dam located in Williamsburg County, South Carolina, built in 1960. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 7 ft7 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 Mccollough Upper Pond Dam
The primary purpose of Mccollough Upper Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Helen L Mccollough (private). It impounds the Tr-ox Swamp.
The dam stands 7 feet tall, creates a reservoir covering 13 acres, and has a maximum storage capacity of 75 acre-feet. Completed in 1960, the structure is well into its service life at over 50 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 11/02/2017.
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Location
| State | South Carolina |
| County | Williamsburg |
| River/Stream | Tr-ox Swamp |
| Coordinates | 33.54320, -79.74480 |
Physical Characteristics
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 75 acre-ft |
| Max Storage | 75 acre-ft |
| Normal Storage | 36 acre-ft |
| Surface Area | 13 acres |
Ownership & Safety
| Purpose | Recreation |
| Owner | Helen L Mccollough |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 11/02/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SCD03091 |
| Federal ID | SCD03091 |
| More Info | State Dam Safety Program |