Lyman Dam
Arizona — Apache County — LITTLE COLORADO RIVER
Location
| State | Arizona |
| County | Apache |
| River | LITTLE COLORADO RIVER |
| Coordinates | 34.36972, -109.38333 |
Physical Characteristics
| NID Height | 60 ft |
| Dam Height | 60 ft |
| Dam Length | 800 ft |
| NID Storage | 44,500 acre-ft |
| Max Storage | 44,500 acre-ft |
| Surface Area | 1,324 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Fair |
| EAP Status | Yes |
| Last Inspection | September 5, 2024 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1912 |
| Primary Purpose | Irrigation |
| Dam Type | Rockfill |
| Owner Type | Private |
| Owner | ARIZONA STATE PARKS;GROVERS HILL IRRIGATION DISTRICT |
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.