Mulholland
Key Takeaway
Mulholland is classified as high hazard in California. It was completed in 1924 and is 102 years old. Its primary use is water supply. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 195 ft (taller than 94.4% in CA) |
| Dam Length | 933 ft |
| Dam Type | Gravity |
| Max Storage | 4.0K acre-ft |
| Surface Area | 82 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1924 (102 years old) |
| NID ID | CA00078 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
City of Los Angeles Department of Water And Power
Local Government
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High Hazard 103 ftFrequently Asked Questions
What is the hazard classification of Mulholland?
Mulholland is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Mulholland?
Mulholland is owned by City of Los Angeles Department of Water And Power (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mulholland built?
Mulholland was completed in 1924, making it 102 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 Mulholland?
Mulholland serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mulholland?
Mulholland has a dam height of 195 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 Mulholland last inspected?
Mulholland was last inspected on September 14, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.