Hesperus Wash (no. 36)
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Arizona |
| County | Maricopa |
| Nearest City | FOUNTAIN HILLS |
| River/Stream | VERDE RIVER - TR |
| Coordinates | 33.63667, -111.74667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 49 ft |
| Dam Height | 36 ft |
| Dam Length | 1,060 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 482 acre-ft |
| Max Storage | 482 acre-ft |
| Normal Storage | 280 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 11,800 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | TOWN OF FOUNTAIN HILLS |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 02/14/2024 |
| Emergency Action Plan | Yes |