Pyramid
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | California |
| County | Los Angeles |
| Nearest City | Piru |
| River/Stream | Piru Creek |
| Coordinates | 34.64430, -118.76450 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 422 ft |
| Dam Height | 400 ft |
| Dam Length | 1,090 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 171,000 acre-ft |
| Max Storage | 171,000 acre-ft |
| Normal Storage | 170,000 acre-ft |
| Surface Area | 1,290 acres |
| Drainage Area | 432 sq mi |
| Max Discharge | 20,000 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | California Department of Water Resources |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 05/06/2025 |
| Emergency Action Plan | Yes |