Columbia Lock And Dam
Significant HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Louisiana |
| County | Caldwell |
| Nearest City | COLUMBIA |
| River/Stream | OUACHITA RIVER |
| Coordinates | 32.16680, -92.11043 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 90 ft |
| Dam Length | 590 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 156,800 acre-ft |
| Max Storage | 156,800 acre-ft |
| Normal Storage | 94,900 acre-ft |
| Surface Area | 7,070 acres |
| Drainage Area | 15,630 sq mi |
| Max Discharge | 120,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Navigation |
| Owner | USACE - Vicksburg District |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 05/10/2021 |
| Emergency Action Plan | Yes |