Kidd Lake Auxiliary
Key Takeaway
Kidd Lake Auxiliary is classified as high hazard in California. It was completed in 1850 and is 176 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 | 15 ft (taller than 8.1% in CA) |
| Dam Length | 617 ft |
| Dam Type | Earth |
| Max Storage | 1.5K acre-ft |
| Normal Storage | 1.5K acre-ft |
| Surface Area | 86 acres |
| Max Discharge | 1,000 cfs |
| Year Completed | 1850 (176 years old) |
| NID ID | CA00354 |
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 13 ftFrequently Asked Questions
What is the hazard classification of Kidd Lake Auxiliary?
Kidd Lake Auxiliary 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 Kidd Lake Auxiliary?
Kidd Lake Auxiliary is owned by Pacific Gas and Electric Company (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Kidd Lake Auxiliary built?
Kidd Lake Auxiliary was completed in 1850, making it 176 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 Kidd Lake Auxiliary?
Kidd Lake Auxiliary 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 Kidd Lake Auxiliary?
Kidd Lake Auxiliary has a dam height of 15 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 Kidd Lake Auxiliary last inspected?
Kidd Lake Auxiliary was last inspected on June 28, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.