Pennsylvania Creek
Key Takeaway
Pennsylvania Creek is classified as high hazard in California. It was completed in 1958 and is 68 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 | 14 ft (taller than 6.7% in CA) |
| Dam Length | 3,100 ft |
| Dam Type | Earth |
| Max Storage | 148 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 2 sq mi |
| Year Completed | 1958 (68 years old) |
| NID ID | CA00023 |
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 Fairfield
Local Government
Nearby Dams
Olson
Napa, CA
High Hazard 45 ftHestan Vineyards Dam
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High Hazard 21 ftMorgan
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Low Hazard 34 ftMunicipal
Solano, CA
High Hazard 56 ftLagoon Valley County Park
Solano, CA
Low Hazard 13 ftTerminal
Solano, CA
Low Hazard 24 ftEncinosa Basin North
Solano, CA
High Hazard 21 ftLake Curry
Napa, CA
High Hazard 107 ftFrequently Asked Questions
What is the hazard classification of Pennsylvania Creek?
Pennsylvania 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 Pennsylvania Creek?
Pennsylvania Creek is owned by City of Fairfield (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pennsylvania Creek built?
Pennsylvania Creek was completed in 1958, making it 68 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 Pennsylvania Creek?
Pennsylvania 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 Pennsylvania Creek?
Pennsylvania Creek has a dam height of 14 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 Pennsylvania Creek last inspected?
Pennsylvania Creek was last inspected on February 28, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.