Mississippi River Lock And Dam 6
Significant HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Wisconsin |
| County | Winona |
| Nearest City | TREMPEALEAU |
| River/Stream | MISSISSIPPI RIVER |
| Coordinates | 43.99869, -91.43843 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 40 ft |
| Dam Height | 17 ft |
| Dam Length | 4,865 ft |
| Year Completed | 1936 (90 years old) |
Storage & Hydraulics
| NID Storage | 180,000 acre-ft |
| Max Storage | 180,000 acre-ft |
| Normal Storage | 41,000 acre-ft |
| Surface Area | 8,870 acres |
| Drainage Area | 60,030 sq mi |
| Max Discharge | 268,000 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Navigation |
| Owner | USACE - St. Paul District |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 05/23/2024 |
| Emergency Action Plan | Yes |