Tinemaha
Key Takeaway
Tinemaha is classified as high hazard in California. It was completed in 1928 and is 98 years old. Its primary use is other. 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 | 32 ft (taller than 34.2% in CA) |
| Dam Length | 5,800 ft |
| Dam Type | Earth |
| Max Storage | 16.4K acre-ft |
| Surface Area | 2,098 acres |
| Drainage Area | 1,915 sq mi |
| Year Completed | 1928 (98 years old) |
| NID ID | CA00084 |
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
City of Los Angeles Department of Water And Power
Local Government
Frequently Asked Questions
What is the hazard classification of Tinemaha?
Tinemaha 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 Tinemaha?
Tinemaha is owned by City of Los Angeles Department of Water And Power (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Tinemaha built?
Tinemaha 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 Tinemaha?
Tinemaha serves the following purposes: Other, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Tinemaha?
Tinemaha has a dam height of 32 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 Tinemaha last inspected?
Tinemaha was last inspected on November 29, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.