John C. Stennis Lock And Dam
Significant HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Mississippi |
| County | Lowndes |
| Nearest City | COLUMBUS |
| River/Stream | TOMBIGBEE |
| Coordinates | 33.51823, -88.48868 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 82 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 59,483 acre-ft |
| Max Storage | 59,483 acre-ft |
| Normal Storage | 59,483 acre-ft |
| Surface Area | 8,910 acres |
| Drainage Area | 4,440 sq mi |
| Max Discharge | 628,200 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Navigation |
| Owner | USACE - Mobile District |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 04/22/2022 |
| Emergency Action Plan | Yes |