Green Valley Lake Dam
Significant HazardFair ConditionEmergency Action Plan: Not Required
Location
| State | Iowa |
| County | Union |
| Nearest City | CRESTON |
| River/Stream | PLATTE RIVER |
| Coordinates | 41.09680, -94.38380 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 41 ft |
| Dam Height | 41 ft |
| Dam Length | 1,020 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 6,830 acre-ft |
| Max Storage | 6,830 acre-ft |
| Normal Storage | 3,990 acre-ft |
| Surface Area | 336 acres |
| Drainage Area | 8 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Iowa Department of Natural Resources |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 07/26/2021 |
| Emergency Action Plan | Not Required |