Basil Mack Dam
Basil Mack Dam is a dam located in Lexington County, South Carolina, built in 1999. It carries a Low hazard potential classification and has a fair condition assessment.
About Basil Mack Dam
The primary purpose of Basil Mack Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Marshall T And Alison T Moore (private). It impounds the Sandy Run.
The dam stands 13 feet tall, creates a reservoir covering 7 acres, and has a maximum storage capacity of 60 acre-feet. Completed in 1999, the structure is 27 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 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 04/06/2017.
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Location
| State | South Carolina |
| County | Lexington |
| River/Stream | Sandy Run |
| Coordinates | 33.80020, -81.06830 |
Physical Characteristics
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Year Completed | 1999 (27 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 31 acre-ft |
| Surface Area | 7 acres |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | MARSHALL T AND ALISON T MOORE |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/06/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SCD04510 |
| Federal ID | SCD04510 |
| More Info | State Dam Safety Program |