Mississippi River Locks And Dam 1
Significant HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Minnesota |
| County | Hennepin |
| Nearest City | ST. PAUL |
| River/Stream | MISSISSIPPI |
| Coordinates | 44.91537, -93.20179 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 56 ft |
| Dam Height | 49 ft |
| Dam Length | 742 ft |
| Year Completed | 1917 (109 years old) |
Storage & Hydraulics
| NID Storage | 9,300 acre-ft |
| Max Storage | 9,300 acre-ft |
| Normal Storage | 5,400 acre-ft |
| Surface Area | 900 acres |
| Drainage Area | 19,500 sq mi |
| Max Discharge | 742 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Navigation |
| Owner | USACE - St. Paul District; Ford Motor Company |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 07/13/2021 |
| Emergency Action Plan | Yes |