Encinosa Basin North
Key Takeaway
Encinosa Basin North is classified as high hazard in California. It was completed in 2009 and is 17 years old. Its primary use is flood risk reduction. 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 | 21 ft (taller than 17.3% in CA) |
| Dam Length | 1,750 ft |
| Dam Type | Earth |
| Max Storage | 147 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 3 sq mi |
| Year Completed | 2009 (17 years old) |
| NID ID | CA01512 |
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 Vacaville
Local Government
Nearby Dams
Lagoon Valley County Park
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High Hazard 21 ftLake Curry
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High Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Encinosa Basin North?
Encinosa Basin North 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 Encinosa Basin North?
Encinosa Basin North is owned by City of Vacaville (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Encinosa Basin North built?
Encinosa Basin North was completed in 2009, making it 17 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 Encinosa Basin North?
Encinosa Basin North serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Encinosa Basin North?
Encinosa Basin North has a dam height of 21 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 Encinosa Basin North last inspected?
Encinosa Basin North was last inspected on February 28, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.