Chicago Park Forebay
Key Takeaway
Chicago Park Forebay is classified as low hazard in California. It was completed in 1966 and is 60 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 60 ft (taller than 67.2% in CA) |
| Dam Length | 2,000 ft |
| Dam Type | Earth |
| Max Storage | 103 acre-ft |
| Normal Storage | 97 acre-ft |
| Surface Area | 1 acres |
| Max Discharge | 1,100 cfs |
| Year Completed | 1966 (60 years old) |
| NID ID | CA82570 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Nevada Irrigation District
Public Utility
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High Hazard 22 ftRollins
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High Hazard 251 ftScotts Flat
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High Hazard 175 ftDeer Creek Diversion
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High Hazard 92 ftLoma Rica Airport
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High Hazard 41 ftFrequently Asked Questions
What is the hazard classification of Chicago Park Forebay?
Chicago Park Forebay is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Chicago Park Forebay?
Chicago Park Forebay is owned by Nevada Irrigation District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Chicago Park Forebay built?
Chicago Park Forebay was completed in 1966, making it 60 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 Chicago Park Forebay?
Chicago Park Forebay serves the following purposes: Irrigation, Hydroelectric, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Chicago Park Forebay?
Chicago Park Forebay has a dam height of 60 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 Chicago Park Forebay last inspected?
Chicago Park Forebay was last inspected on August 22, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.