Lakeport
Key Takeaway
Lakeport is classified as high hazard in California. It was completed in 1980 and is 46 years old. Its primary use is water supply. 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 | 51 ft (taller than 60.6% in CA) |
| Dam Length | 890 ft |
| Dam Type | Earth |
| Max Storage | 650 acre-ft |
| Surface Area | 32 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1980 (46 years old) |
| NID ID | CA01230 |
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 Lakeport Municipal Sewer District Number 1
Local Government
Nearby Dams
Graham
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Low Hazard 39 ftHighland Creek
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High Hazard 75 ftAdobe Creek
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High Hazard 33 ftLake County Sanitation District 2
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High Hazard 77 ftCodding Reservoir
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Low Hazard 36 ftHooper No. 2
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Significant Hazard 13 ftFrequently Asked Questions
What is the hazard classification of Lakeport?
Lakeport 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 Lakeport?
Lakeport is owned by City of Lakeport Municipal Sewer District Number 1 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lakeport built?
Lakeport was completed in 1980, making it 46 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 Lakeport?
Lakeport serves the following purposes: Water Supply, Other, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lakeport?
Lakeport has a dam height of 51 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 Lakeport last inspected?
Lakeport was last inspected on February 17, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.