James Montgomery
Key Takeaway
James Montgomery is classified as significant hazard in California. It was completed in 1869 and is 157 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 24 ft (taller than 22.6% in CA) |
| Dam Length | 240 ft |
| Dam Type | Earth |
| Max Storage | 65 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1869 (157 years old) |
| NID ID | CA00932 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Private Entity
Private
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High Hazard 53 ftFrequently Asked Questions
What is the hazard classification of James Montgomery?
James Montgomery is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates James Montgomery?
James Montgomery is owned by Private Entity (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was James Montgomery built?
James Montgomery was completed in 1869, making it 157 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 James Montgomery?
James Montgomery serves the following purposes: Water Supply, Other, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is James Montgomery?
James Montgomery has a dam height of 24 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 James Montgomery last inspected?
James Montgomery was last inspected on April 25, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.