Green Valley Lake Dam
Iowa — Union County — PLATTE RIVER
Location
| State | Iowa |
| County | Union |
| River | PLATTE RIVER |
| Coordinates | 41.09680, -94.38380 |
Physical Characteristics
| NID Height | 41 ft |
| Dam Height | 41 ft |
| Dam Length | 1,020 ft |
| NID Storage | 6,830 acre-ft |
| Max Storage | 6,830 acre-ft |
| Surface Area | 336 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Fair |
| EAP Status | Not Required |
| Last Inspection | July 26, 2021 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1953 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| 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.