Foss Creek North Area
Key Takeaway
Foss Creek North Area is classified as high hazard in California. It was completed in 1998 and is 28 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 | 20 ft (taller than 15.3% in CA) |
| Dam Length | 1,100 ft |
| Dam Type | Earth |
| Max Storage | 85 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1998 (28 years old) |
| NID ID | CA01431 |
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 Healdsburg
Local Government
Nearby Dams
Lytton
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High Hazard 34 ftBudge
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Significant Hazard 28 ftNorton No. 2
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High Hazard 28 ftCook No. 2
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High Hazard 35 ftDennis No. 2
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Low Hazard 60 ftHealdsburg Recreation
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Low Hazard 15 ftCoen C-3
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Low Hazard 97 ftJohn Carl Warnecke
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Low Hazard 32 ftFrequently Asked Questions
What is the hazard classification of Foss Creek North Area?
Foss Creek North Area 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 Foss Creek North Area?
Foss Creek North Area is owned by City of Healdsburg (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Foss Creek North Area built?
Foss Creek North Area was completed in 1998, making it 28 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 Foss Creek North Area?
Foss Creek North Area 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 Foss Creek North Area?
Foss Creek North Area has a dam height of 20 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 Foss Creek North Area last inspected?
Foss Creek North Area was last inspected on April 20, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.