Devils Gate
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | Los Angeles |
| Nearest City | Pasadena |
| River/Stream | Arroyo Seco |
| Coordinates | 34.18520, -118.17560 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 108 ft |
| Dam Height | 108 ft |
| Dam Length | 252 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 2,600 acre-ft |
| Max Storage | 2,600 acre-ft |
| Surface Area | 110 acres |
| Drainage Area | 29 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Los Angeles County Department Of Public Works |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/16/2025 |
| Emergency Action Plan | Yes |