Elderberry Forebay
Key Takeaway
Elderberry Forebay is classified as low hazard in California. It was completed in 1972 and is 54 years old. Its primary use is water supply.
Physical Details
| Dam Height | 179 ft (taller than 93.1% in CA) |
| Dam Length | 1,935 ft |
| Dam Type | Earth |
| Max Storage | 32.5K acre-ft |
| Normal Storage | 27.7K acre-ft |
| Surface Area | 463 acres |
| Drainage Area | 76 sq mi |
| Max Discharge | 6,800 cfs |
| Year Completed | 1972 (54 years old) |
| NID ID | CA01080 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Los Angeles, City of
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Elderberry Forebay?
Elderberry Forebay is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Elderberry Forebay?
Elderberry Forebay is owned by Los Angeles, City of (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Elderberry Forebay built?
Elderberry Forebay was completed in 1972, making it 54 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Elderberry Forebay?
Elderberry Forebay serves the following purposes: Water Supply, Recreation, Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Elderberry Forebay?
Elderberry Forebay has a dam height of 179 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Elderberry Forebay last inspected?
Elderberry Forebay was last inspected on May 8, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.