Oso Largo Dam
Low HazardUnsatisfactory ConditionEmergency Action Plan: Not Required
Location
| State | Arizona |
| County | Graham |
| Nearest City | FORT THOMAS, AZ |
| River/Stream | GILA RIVER |
| Coordinates | 32.91561, -109.91031 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 26 ft |
| Dam Length | 4,625 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 616 acre-ft |
| Max Storage | 616 acre-ft |
| Normal Storage | 120 acre-ft |
| Surface Area | 241 acres |
| Drainage Area | 93 sq mi |
| Max Discharge | 5,442 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | DOI BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 08/20/2010 |
| Emergency Action Plan | Not Required |