Seeger
Key Takeaway
Seeger is classified as high hazard in California. It was completed in 1961 and is 65 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 | 115 ft (taller than 85% in CA) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 22.4K acre-ft |
| Surface Area | 845 acres |
| Drainage Area | 36 sq mi |
| Year Completed | 1961 (65 years old) |
| NID ID | CA00209 |
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
Marin Municipal Water District
Public Utility
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High Hazard 35 ftFrequently Asked Questions
What is the hazard classification of Seeger?
Seeger 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 Seeger?
Seeger is owned by Marin Municipal Water District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Seeger built?
Seeger was completed in 1961, making it 65 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 Seeger?
Seeger 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 Seeger?
Seeger has a dam height of 115 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 Seeger last inspected?
Seeger was last inspected on September 14, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.