Blossom Valley Reservoir
Key Takeaway
Blossom Valley Reservoir is classified as high hazard in California. It was completed in 1962 and is 64 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 | 42 ft (taller than 50.1% in CA) |
| Dam Length | 350 ft |
| Dam Type | Earth |
| Max Storage | 22 acre-ft |
| Surface Area | 1 acres |
| Year Completed | 1962 (64 years old) |
| NID ID | CA00892 |
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
Padre Dam Municipal Water District
Public Utility
Nearby Dams
Chet Harritt
San Diego, CA
High Hazard 200 ftEl Capitan
San Diego, CA
High Hazard 237 ftSan Vicente
San Diego, CA
High Hazard 338 ftLake Loveland
San Diego, CA
High Hazard 203 ftSan Vicente Storage Pond 3
San Diego, CA
Significant Hazard 24 ftSan Vicente Storage Pond 2
San Diego, CA
High Hazard 30 ftPalo Verde
San Diego, CA
High Hazard 67 ftPoway
San Diego, CA
High Hazard 162 ftFrequently Asked Questions
What is the hazard classification of Blossom Valley Reservoir?
Blossom Valley Reservoir 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 Blossom Valley Reservoir?
Blossom Valley Reservoir is owned by Padre Dam Municipal Water District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Blossom Valley Reservoir built?
Blossom Valley Reservoir was completed in 1962, making it 64 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 Blossom Valley Reservoir?
Blossom Valley Reservoir serves the following purposes: Water Supply, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Blossom Valley Reservoir?
Blossom Valley Reservoir has a dam height of 42 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 Blossom Valley Reservoir last inspected?
Blossom Valley Reservoir was last inspected on May 27, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.