Greenfield Reservoir Dam
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Iowa |
| County | Adair |
| Nearest City | GREENFIELD |
| River/Stream | TR- MIDDLE NODAWAY R. |
| Coordinates | 41.29910, -94.48210 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 990 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 1,150 acre-ft |
| Max Storage | 1,150 acre-ft |
| Normal Storage | 612 acre-ft |
| Surface Area | 49 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Greenfield Municipal Utilities |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/04/2023 |
| Emergency Action Plan | Yes |