Great Falls-Dearborn Diversion Dam
South Carolina — Lancaster County — Catawba River
Location
| State | South Carolina |
| County | Lancaster |
| River | Catawba River |
| Coordinates | 34.59689, -80.88980 |
Physical Characteristics
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 1,558 ft |
| NID Storage | 2,043 acre-ft |
| Max Storage | 2,043 acre-ft |
| Surface Area | 450 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | May 11, 2022 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1907 |
| Primary Purpose | Hydroelectric |
| Dam Type | Gravity |
| Owner Type | Public Utility |
| Owner | Duke Energy |
| Other Name | Mountain Island Diverting Spillway |
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.