Rucker Lake
Key Takeaway
Rucker Lake is classified as high hazard in California. It was completed in 1856 and is 170 years old. Its primary use is hydroelectric. 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 | 620 ft |
| Dam Type | Earth |
| Max Storage | 648 acre-ft |
| Normal Storage | 660 acre-ft |
| Surface Area | 69 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 1,400 cfs |
| Year Completed | 1856 (170 years old) |
| NID ID | CA00369 |
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
Pacific Gas and Electric Company
Private
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Low Hazard 8 ftFrequently Asked Questions
What is the hazard classification of Rucker Lake?
Rucker 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 Rucker Lake?
Rucker Lake is owned by Pacific Gas and Electric Company (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rucker Lake built?
Rucker Lake was completed in 1856, making it 170 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 Rucker Lake?
Rucker Lake serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Rucker Lake?
Rucker 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 Rucker Lake last inspected?
Rucker Lake was last inspected on September 7, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.