Castaic
High HazardPoor ConditionEmergency Action Plan: Yes
Location
| County | Los Angeles |
| Nearest City | Castaic |
| River/Stream | Castaic Creek |
| Coordinates | 34.52150, -118.61360 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 340 ft |
| Dam Height | 340 ft |
| Dam Length | 5,200 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 323,700 acre-ft |
| Max Storage | 323,700 acre-ft |
| Surface Area | 2,235 acres |
| Drainage Area | 153 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | California Department of Water Resources |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 10/07/2025 |
| Emergency Action Plan | Yes |