Middle Fork Brush Creek
Key Takeaway
Middle Fork Brush Creek is classified as high hazard in California. It was completed in 1961 and is 65 years old. Its primary use is flood risk reduction. 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 | 37 ft (taller than 41.5% in CA) |
| Dam Length | 1,100 ft |
| Dam Type | Earth |
| Max Storage | 138 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 2 sq mi |
| Year Completed | 1961 (65 years old) |
| NID ID | CA00793 |
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
Sonoma County Water Agency
Local Government
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High Hazard 61 ftFrequently Asked Questions
What is the hazard classification of Middle Fork Brush Creek?
Middle Fork Brush Creek 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 Middle Fork Brush Creek?
Middle Fork Brush Creek is owned by Sonoma County Water Agency (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Middle Fork Brush Creek built?
Middle Fork Brush Creek 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 Middle Fork Brush Creek?
Middle Fork Brush Creek serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Middle Fork Brush Creek?
Middle Fork Brush Creek has a dam height of 37 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 Middle Fork Brush Creek last inspected?
Middle Fork Brush Creek was last inspected on September 23, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.