Morris
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | Los Angeles |
| Nearest City | Azusa |
| River/Stream | San Gabriel River |
| Coordinates | 34.17500, -117.88130 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 245 ft |
| Dam Height | 245 ft |
| Dam Length | 750 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 27,500 acre-ft |
| Max Storage | 27,500 acre-ft |
| Surface Area | 420 acres |
| Drainage Area | 210 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Los Angeles County Department Of Public Works |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/18/2025 |
| Emergency Action Plan | Yes |