Foothill Regulating Park
Key Takeaway
Foothill Regulating Park is classified as high hazard in California. It was completed in 1963 and is 63 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 | 51 ft (taller than 60.6% in CA) |
| Dam Length | 274 ft |
| Dam Type | Earth |
| Max Storage | 109 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1963 (63 years old) |
| NID ID | CA01057 |
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
County of Sonoma Regional Parks Department
Local Government
Nearby Dams
Greeott
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Significant Hazard 40 ftLagunita
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High Hazard 49 ftDonovan
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High Hazard 40 ftAirport Storage Pond
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High Hazard 22 ftBosch No. 2
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Significant Hazard 55 ftJohn Carl Warnecke
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Low Hazard 32 ftAirport Storage Pond 2
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High Hazard 20 ftShiloh Ranch
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High Hazard 61 ftFrequently Asked Questions
What is the hazard classification of Foothill Regulating Park?
Foothill Regulating Park 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 Foothill Regulating Park?
Foothill Regulating Park is owned by County of Sonoma Regional Parks Department (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Foothill Regulating Park built?
Foothill Regulating Park was completed in 1963, making it 63 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 Foothill Regulating Park?
Foothill Regulating Park serves the following purposes: Water Supply, Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Foothill Regulating Park?
Foothill Regulating Park has a dam height of 51 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 Foothill Regulating Park last inspected?
Foothill Regulating Park was last inspected on August 11, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.