Decorah Upper Milldam
Iowa, Winneshiek County, UPPER IOWA RIVER
Location
| State | Iowa |
| County | Winneshiek |
| River | UPPER IOWA RIVER |
| Coordinates | 43.32210, -91.68650 |
Physical Characteristics
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 300 ft |
| NID Storage | 358 acre-ft |
| Max Storage | 358 acre-ft |
| Surface Area | 70 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Rated |
| EAP Status | Not Required |
| Last Inspection | October 1, 2003 |
| Inspection Frequency | - |
Dam Information
| Year Completed | 1911 |
| Primary Purpose | Recreation |
| Dam Type | Gravity |
| Owner Type | State |
| Owner | Iowa Department of Natural Resources |
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.