Hinkle
Key Takeaway
Hinkle is classified as high hazard in California. It was completed in 1980 and is 46 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 | 20 ft (taller than 15.3% in CA) |
| Dam Length | 1,300 ft |
| Dam Type | Earth |
| Max Storage | 200 acre-ft |
| Surface Area | 11 acres |
| Year Completed | 1980 (46 years old) |
| NID ID | CA01192 |
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
San Juan Water District
Public Utility
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High Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Hinkle?
Hinkle 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 Hinkle?
Hinkle is owned by San Juan Water District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hinkle built?
Hinkle was completed in 1980, making it 46 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 Hinkle?
Hinkle 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 Hinkle?
Hinkle has a dam height of 20 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 Hinkle last inspected?
Hinkle was last inspected on September 9, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.