Joe Hardin Lock and Dam
Arkansas — Jefferson County — ARKANSAS
Location
| State | Arkansas |
| County | Jefferson |
| River | ARKANSAS |
| Coordinates | 34.16278, -91.68013 |
Physical Characteristics
| NID Height | 45 ft |
| Dam Height | 28 ft |
| Dam Length | 6,720 ft |
| NID Storage | 50,400 acre-ft |
| Max Storage | 50,400 acre-ft |
| Surface Area | 3,670 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Not Available |
| EAP Status | Yes |
| Last Inspection | January 29, 2025 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1968 |
| Primary Purpose | Navigation |
| Dam Type | Concrete |
| Owner Type | Federal |
| Owner | USACE - Little Rock District |
| Other Name | Pool 3 |
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.