Telephone Flat
Key Takeaway
Telephone Flat is classified as low hazard in California. It was completed in 1931 and is 95 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 7 ft (taller than 0.1% in CA) |
| Dam Length | 425 ft |
| Dam Type | Earth |
| Normal Storage | 1.2K acre-ft |
| Drainage Area | 10 sq mi |
| Year Completed | 1931 (95 years old) |
| NID ID | CA10210 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
USDA FS
Federal Government
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Low Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Telephone Flat?
Telephone Flat is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Telephone Flat?
Telephone Flat is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Telephone Flat built?
Telephone Flat was completed in 1931, making it 95 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 Telephone Flat?
Telephone Flat serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Telephone Flat?
Telephone Flat has a dam height of 7 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 Telephone Flat last inspected?
Telephone Flat was last inspected on August 31, 2010. Inspection dates indicate when a formal review occurred, not the results of that inspection.