Lake Fordyce
Key Takeaway
Lake Fordyce is classified as high hazard in California. It was completed in 1873 and is 153 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 | 145 ft (taller than 89.3% in CA) |
| Dam Length | 1,220 ft |
| Dam Type | Rockfill |
| Max Storage | 49.9K acre-ft |
| Normal Storage | 46.7K acre-ft |
| Surface Area | 772 acres |
| Drainage Area | 32 sq mi |
| Max Discharge | 17,500 cfs |
| Year Completed | 1873 (153 years old) |
| NID ID | CA00357 |
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
Pacific Gas and Electric Company
Private
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High Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Lake Fordyce?
Lake Fordyce 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 Lake Fordyce?
Lake Fordyce is owned by Pacific Gas and Electric Company (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Fordyce built?
Lake Fordyce was completed in 1873, making it 153 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 Lake Fordyce?
Lake Fordyce 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 Lake Fordyce?
Lake Fordyce has a dam height of 145 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 Lake Fordyce last inspected?
Lake Fordyce was last inspected on August 16, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.