James Porter
Key Takeaway
James Porter is classified as high hazard in California. It was completed in 1928 and is 98 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 | 21 ft (taller than 17.3% in CA) |
| Dam Length | 1,240 ft |
| Dam Type | Earth |
| Max Storage | 106 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1928 (98 years old) |
| NID ID | CA00925 |
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
Echeverria General Partnership & Matt and Lynelle Echeverria
Private
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Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of James Porter?
James Porter 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 James Porter?
James Porter is owned by Echeverria General Partnership & Matt and Lynelle Echeverria (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was James Porter built?
James Porter was completed in 1928, making it 98 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 Porter?
James Porter 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 James Porter?
James Porter has a dam height of 21 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 Porter last inspected?
James Porter was last inspected on June 30, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.