Bottoms
Key Takeaway
Bottoms is classified as high hazard in California. It was completed in 1990 and is 36 years old. Its primary use is water supply. 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 | 47 ft (taller than 56.2% in CA) |
| Dam Length | 970 ft |
| Dam Type | Earth |
| Max Storage | 315 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1990 (36 years old) |
| NID ID | CA01265 |
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
Middletown Enterprises
Private
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Significant Hazard 39 ftFrequently Asked Questions
What is the hazard classification of Bottoms?
Bottoms 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 Bottoms?
Bottoms is owned by Middletown Enterprises (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Bottoms built?
Bottoms was completed in 1990, making it 36 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 Bottoms?
Bottoms serves the following purposes: Water Supply, Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Bottoms?
Bottoms has a dam height of 47 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 Bottoms last inspected?
Bottoms was last inspected on September 1, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.