Coralville Dam
Iowa — Johnson County — IOWA RIVER
Location
| State | Iowa |
| County | Johnson |
| River | IOWA RIVER |
| Coordinates | 41.72448, -91.52978 |
Physical Characteristics
| NID Height | 132 ft |
| Dam Height | 100 ft |
| Dam Length | 1,400 ft |
| NID Storage | 420,960 acre-ft |
| Max Storage | 420,960 acre-ft |
| Surface Area | 4,050 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Not Available |
| EAP Status | Yes |
| Last Inspection | December 6, 2023 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1958 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | Gravity |
| Owner Type | Federal |
| Owner | USACE - Rock Island District |
| Other Name | Coralville Lake |
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.