Robert L. Matheson
Key Takeaway
Robert L. Matheson is classified as high hazard in California. It was completed in 1954 and is 72 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 | 32 ft (taller than 34.2% in CA) |
| Dam Length | 390 ft |
| Dam Type | Earth |
| Max Storage | 90 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 2 sq mi |
| Year Completed | 1954 (72 years old) |
| NID ID | CA00982 |
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
Sage Canyon, LLC
Private
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Low Hazard 50 ftFrequently Asked Questions
What is the hazard classification of Robert L. Matheson?
Robert L. Matheson 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 Robert L. Matheson?
Robert L. Matheson is owned by Sage Canyon, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Robert L. Matheson built?
Robert L. Matheson was completed in 1954, making it 72 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 Robert L. Matheson?
Robert L. Matheson 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 Robert L. Matheson?
Robert L. Matheson 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 Robert L. Matheson last inspected?
Robert L. Matheson was last inspected on April 19, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.