Graham
Key Takeaway
Graham is classified as low hazard in California. It was completed in 1959 and is 67 years old. Its primary use is water supply.
Physical Details
| Dam Height | 39 ft (taller than 44.4% in CA) |
| Dam Length | 220 ft |
| Dam Type | Earth |
| Max Storage | 62 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1959 (67 years old) |
| NID ID | CA00570 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
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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Significant Hazard 13 ftAllen
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High Hazard 33 ftFrequently Asked Questions
What is the hazard classification of Graham?
Graham is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Graham?
Graham is owned by Private Entity (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Graham built?
Graham was completed in 1959, making it 67 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 Graham?
Graham serves the following purposes: Water Supply, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Graham?
Graham has a dam height of 39 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 Graham last inspected?
Graham was last inspected on April 21, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.