Lagunita
Key Takeaway
Lagunita is classified as high hazard in California. It was completed in 1900 and is 126 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 | 16 ft (taller than 9.6% in CA) |
| Dam Length | 2,500 ft |
| Dam Type | Earth |
| Max Storage | 280 acre-ft |
| Surface Area | 37 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1900 (126 years old) |
| NID ID | CA00671 |
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
Stanford University Board of Trustees
Private
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High Hazard 80 ftFrequently Asked Questions
What is the hazard classification of Lagunita?
Lagunita 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 Lagunita?
Lagunita is owned by Stanford University Board of Trustees (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lagunita built?
Lagunita was completed in 1900, making it 126 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 Lagunita?
Lagunita serves the following purposes: Water Supply, Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lagunita?
Lagunita has a dam height of 16 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 Lagunita last inspected?
Lagunita was last inspected on November 2, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.