Horse Mesa Dam
High HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Arizona |
| County | Maricopa |
| River/Stream | SALT RIVER |
| Coordinates | 33.59060, -111.34390 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 305 ft |
| Dam Height | 305 ft |
| Dam Length | 660 ft |
| Year Completed | 1927 (99 years old) |
Storage & Hydraulics
| NID Storage | 261,335 acre-ft |
| Max Storage | 261,335 acre-ft |
| Normal Storage | 245,048 acre-ft |
| Surface Area | 2,660 acres |
| Drainage Area | 5,913 sq mi |
| Max Discharge | 37,000 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | BUREAU OF RECLAMATION |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 04/05/2023 |
| Emergency Action Plan | Yes |