Merced Falls
Key Takeaway
Merced Falls is classified as high hazard in California. It was completed in 1901 and is 125 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 | 43 ft (taller than 51.5% in CA) |
| Dam Length | 1,679 ft |
| Dam Type | Concrete |
| Max Storage | 678 acre-ft |
| Normal Storage | 603 acre-ft |
| Surface Area | 65 acres |
| Drainage Area | 1,020 sq mi |
| Max Discharge | 44,000 cfs |
| Year Completed | 1901 (125 years old) |
| NID ID | CA00341 |
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
Merced Irrigation District
Public Utility
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Low Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Merced Falls?
Merced Falls 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 Merced Falls?
Merced Falls is owned by Merced Irrigation District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Merced Falls built?
Merced Falls was completed in 1901, making it 125 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 Merced Falls?
Merced Falls 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 Merced Falls?
Merced Falls has a dam height of 43 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 Merced Falls last inspected?
Merced Falls was last inspected on August 9, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.