Slab Creek
Key Takeaway
Slab Creek is classified as high hazard in California. It was completed in 1967 and is 59 years old. Its primary use is hydroelectric. 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 | 250 ft (taller than 97.1% in CA) |
| Dam Length | 817 ft |
| Dam Type | Concrete |
| Max Storage | 13.1K acre-ft |
| Normal Storage | 16.0K acre-ft |
| Surface Area | 249 acres |
| Drainage Area | 493 sq mi |
| Max Discharge | 127,000 cfs |
| Year Completed | 1967 (59 years old) |
| NID ID | CA00823 |
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
Sacramento Municipal Utility District
Public Utility
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High Hazard 182 ftFrequently Asked Questions
What is the hazard classification of Slab Creek?
Slab 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 Slab Creek?
Slab Creek is owned by Sacramento Municipal Utility District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Slab Creek built?
Slab Creek was completed in 1967, making it 59 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 Slab Creek?
Slab Creek serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Slab Creek?
Slab Creek has a dam height of 250 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 Slab Creek last inspected?
Slab Creek was last inspected on August 31, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.