Tahchevah
Key Takeaway
Tahchevah is classified as high hazard in California. It was completed in 1964 and is 62 years old. Its primary use is debris control. 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 | 42 ft (taller than 50.1% in CA) |
| Dam Length | 3,600 ft |
| Dam Type | Earth |
| Max Storage | 650 acre-ft |
| Surface Area | 60 acres |
| Year Completed | 1964 (62 years old) |
| NID ID | CA01170 |
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
Riverside County Flood Control and Water Conservation District
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Tahchevah?
Tahchevah 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 Tahchevah?
Tahchevah is owned by Riverside County Flood Control and Water Conservation District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Tahchevah built?
Tahchevah was completed in 1964, making it 62 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 Tahchevah?
Tahchevah serves the following purposes: Debris Control, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Tahchevah?
Tahchevah has a dam height of 42 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 Tahchevah last inspected?
Tahchevah was last inspected on April 20, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.