Mississippi River Lock and Dam 3
Minnesota — Goodhue County — MISSISSIPPI
Location
| State | Minnesota |
| County | Goodhue |
| River | MISSISSIPPI |
| Coordinates | 44.61104, -92.60995 |
Physical Characteristics
| NID Height | 44 ft |
| Dam Height | 26 ft |
| Dam Length | 4,500 ft |
| NID Storage | 547,000 acre-ft |
| Max Storage | 547,000 acre-ft |
| Surface Area | 17,950 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Not Available |
| EAP Status | Yes |
| Last Inspection | September 23, 2021 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1938 |
| Primary Purpose | Navigation |
| Dam Type | Concrete |
| Owner Type | Federal |
| Owner | USACE - St. Paul District |
| Other Name | Pool 3 |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.