Chollas
Key Takeaway
Chollas is classified as high hazard in California. It was completed in 1901 and is 125 years old. Its primary use is other. 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 | 50 ft (taller than 59.1% in CA) |
| Dam Length | 565 ft |
| Dam Type | Earth |
| Max Storage | 167 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1901 (125 years old) |
| NID ID | CA00107 |
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 San Diego
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Chollas?
Chollas 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 Chollas?
Chollas is owned by City of San Diego (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Chollas built?
Chollas 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 Chollas?
Chollas serves the following purposes: Other, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Chollas?
Chollas has a dam height of 50 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 Chollas last inspected?
Chollas was last inspected on October 13, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.