Lake John D Long
South Carolina — Union County
Location
| State | South Carolina |
| County | Union |
| Coordinates | 34.77330, -81.50620 |
Physical Characteristics
| NID Height | 49 ft |
| Dam Height | 49 ft |
| Dam Length | — |
| NID Storage | 2,109 acre-ft |
| Max Storage | 2,109 acre-ft |
| Surface Area | 81 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Fair |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1978 |
| Primary Purpose | Recreation |
| Dam Type | — |
| Owner Type | — |
| Owner | SC DEPARTMENT OF NATURAL RESOURCES |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.