New Upper San Leandro
Key Takeaway
New Upper San Leandro is classified as high hazard in California. It was completed in 1977 and is 49 years old. Its primary use is other. 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 | 182 ft (taller than 93.4% in CA) |
| Dam Length | 1,300 ft |
| Dam Type | Earth |
| Max Storage | 42.0K acre-ft |
| Surface Area | 790 acres |
| Drainage Area | 30 sq mi |
| Year Completed | 1977 (49 years old) |
| NID ID | CA01082 |
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
East Bay Municipal Utility District
Public Utility
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High Hazard 75 ftFrequently Asked Questions
What is the hazard classification of New Upper San Leandro?
New Upper San Leandro 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 New Upper San Leandro?
New Upper San Leandro is owned by East Bay Municipal Utility District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was New Upper San Leandro built?
New Upper San Leandro was completed in 1977, making it 49 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 New Upper San Leandro?
New Upper San Leandro serves the following purposes: Other, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is New Upper San Leandro?
New Upper San Leandro has a dam height of 182 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 New Upper San Leandro last inspected?
New Upper San Leandro was last inspected on September 14, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.