Lake Combie
Key Takeaway
Lake Combie is classified as high hazard in California. It was completed in 1928 and is 98 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 | 95 ft (taller than 80.6% in CA) |
| Dam Length | 762 ft |
| Dam Type | Concrete |
| Normal Storage | 5.6K acre-ft |
| Surface Area | 360 acres |
| Drainage Area | 136 sq mi |
| Max Discharge | 28,700 cfs |
| Year Completed | 1928 (98 years old) |
| NID ID | CA00249 |
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
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High Hazard 36 ftFrequently Asked Questions
What is the hazard classification of Lake Combie?
Lake Combie 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 Lake Combie?
Lake Combie is owned by Nevada Irrigation District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Combie built?
Lake Combie was completed in 1928, making it 98 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 Lake Combie?
Lake Combie 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 Lake Combie?
Lake Combie has a dam height of 95 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 Lake Combie last inspected?
Lake Combie was last inspected on August 21, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.