Jackson Lake
Key Takeaway
Jackson Lake is classified as high hazard in California. It was completed in 1943 and is 83 years old. Its primary use is irrigation. 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 | 22 ft (taller than 18.8% in CA) |
| Dam Length | 830 ft |
| Dam Type | Earth |
| Max Storage | 1.3K acre-ft |
| Normal Storage | 1.3K acre-ft |
| Surface Area | 51 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 780 cfs |
| Year Completed | 1943 (83 years old) |
| NID ID | CA00252 |
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
Nevada Irrigation District
Public Utility
Nearby Dams
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Jackson Lake?
Jackson Lake 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 Jackson Lake?
Jackson Lake is owned by Nevada Irrigation District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Jackson Lake built?
Jackson Lake was completed in 1943, making it 83 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 Jackson Lake?
Jackson Lake serves the following purposes: Irrigation, Hydroelectric, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Jackson Lake?
Jackson Lake has a dam height of 22 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 Jackson Lake last inspected?
Jackson Lake was last inspected on August 22, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.