Summit Reservoir
Key Takeaway
Summit Reservoir is classified as high hazard in California. 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 | 39 ft (taller than 44.4% in CA) |
| Dam Length | 2,131 ft |
| Dam Type | Earth |
| Max Storage | 43 acre-ft |
| NID ID | CA10373 |
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 and County of San Francisco
Local Government
Nearby Dams
Sutro Reservoir
San Francisco, CA
High Hazard 55 ftStanford Heights
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High Hazard 31 ftSunset North Basin
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High Hazard 74 ftSunset South Basin
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High Hazard 34 ftUniversity Mound North Basin
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High Hazard 17 ftUniversity Mound South Basin
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High Hazard 61 ftUpper Pond
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Significant Hazard 30 ftTennessee Valley Dam
Marin, CA
High Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Summit Reservoir?
Summit Reservoir 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 Summit Reservoir?
Summit Reservoir is owned by City and County of San Francisco (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Summit Reservoir?
Summit Reservoir 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 Summit Reservoir?
Summit Reservoir has a dam height of 39 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 Summit Reservoir last inspected?
Summit Reservoir was last inspected on March 6, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.