James W. Trimble Lock And Dam
Significant HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Arkansas |
| County | Sebastian |
| Nearest City | OZARK |
| River/Stream | ARKANSAS |
| Coordinates | 35.35060, -94.29714 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 51 ft |
| Dam Height | 28 ft |
| Dam Length | 7,110 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 59,100 acre-ft |
| Max Storage | 59,100 acre-ft |
| Normal Storage | 53,100 acre-ft |
| Surface Area | 6,820 acres |
| Drainage Area | 150,567 sq mi |
| Max Discharge | 435,000 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Navigation |
| Owner | USACE - Little Rock District |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 08/05/2021 |
| Emergency Action Plan | Yes |