Tennessee Valley Dam
Key Takeaway
Tennessee Valley Dam is classified as high hazard in California. 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 | 30 ft (taller than 30.4% in CA) |
| Dam Length | 0 ft |
| Dam Type | Earth |
| Max Storage | 44 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| NID ID | CA10367 |
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
DOI NPS
Federal Government
Nearby Dams
Lagunitas
Marin, CA
Significant Hazard 48 ftSunset North Basin
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High Hazard 74 ftSunset South Basin
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High Hazard 34 ftPhoenix Lake
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High Hazard 90 ftBon Tempe
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High Hazard 98 ftAlpine
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High Hazard 143 ftSummit Reservoir
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High Hazard 39 ftSutro Reservoir
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High Hazard 55 ftFrequently Asked Questions
What is the hazard classification of Tennessee Valley Dam?
Tennessee Valley Dam 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 Tennessee Valley Dam?
Tennessee Valley Dam is owned by DOI NPS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
How tall is Tennessee Valley Dam?
Tennessee Valley Dam has a dam height of 30 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 Tennessee Valley Dam last inspected?
Tennessee Valley Dam was last inspected on December 7, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.