Walnut Canyon
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | Orange |
| Nearest City | Anaheim |
| River/Stream | Walnut Canyon |
| Coordinates | 33.84120, -117.75250 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 187 ft |
| Dam Height | 187 ft |
| Dam Length | 930 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 2,570 acre-ft |
| Max Storage | 2,570 acre-ft |
| Surface Area | 47 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Anaheim |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/16/2025 |
| Emergency Action Plan | Yes |