Chet Harritt
Key Takeaway
Chet Harritt is classified as high hazard in California. It was completed in 1962 and is 64 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 | 200 ft (taller than 94.6% in CA) |
| Dam Length | 1,117 ft |
| Dam Type | Earth |
| Max Storage | 9.8K acre-ft |
| Surface Area | 176 acres |
| Drainage Area | 2 sq mi |
| Year Completed | 1962 (64 years old) |
| NID ID | CA00236 |
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
Helix Water District
Public Utility
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High Hazard 110 ftFrequently Asked Questions
What is the hazard classification of Chet Harritt?
Chet Harritt 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 Chet Harritt?
Chet Harritt is owned by Helix Water District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Chet Harritt built?
Chet Harritt was completed in 1962, making it 64 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 Chet Harritt?
Chet Harritt 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 Chet Harritt?
Chet Harritt has a dam height of 200 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 Chet Harritt last inspected?
Chet Harritt was last inspected on March 24, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.