Upper Lake Mary
Significant HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Arizona |
| County | Coconino |
| Nearest City | WALNUT CANYON NATIONAL MONUMENT & I-40 |
| River/Stream | WALNUT CREEK |
| Coordinates | 35.08083, -111.53361 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 49 ft |
| Dam Height | 38 ft |
| Dam Length | 845 ft |
| Year Completed | 1941 (85 years old) |
Storage & Hydraulics
| NID Storage | 21,041 acre-ft |
| Max Storage | 21,041 acre-ft |
| Normal Storage | 16,576 acre-ft |
| Surface Area | 1,058 acres |
| Drainage Area | 54 sq mi |
| Max Discharge | 11,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | CITY OF FLAGSTAFF |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/18/2024 |
| Emergency Action Plan | Yes |