Pyramid

Los Angeles County, California (near Piru)

River/Stream: Piru Creek

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Earth
Height
422 ft
Dam Length
1,090 ft
Reservoir Storage
171,000 acre-ft
Year Completed
1974
Primary Purpose
Water Supply
Owner Type
State
Max Discharge
20,000 cfs

Condition Assessment

FairLast inspected: 2025-05-06

Hazard Classification: High — This describes the potential consequences of dam failure, not the likelihood of failure.

Condition Assessment: Fair — This describes the current physical condition of the dam based on the most recent inspection.

Location

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Quick Stats

NID ID
CA00052
State
California (CA)
Coordinates
34.64430, -118.76450
Age
52 years

Nearby Dams

External Resources

Data sourced from the National Inventory of Dams (NID). Information may not reflect the most current status of this dam. Hazard classification reflects potential consequences of failure, not the likelihood of failure or the current condition.