Laguna Regulating Basin
Key Takeaway
Laguna Regulating Basin is classified as significant hazard in California. It was completed in 1970 and is 56 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 43 ft (taller than 51.5% in CA) |
| Dam Length | 380 ft |
| Dam Type | Earth |
| Max Storage | 310 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 6 sq mi |
| Year Completed | 1970 (56 years old) |
| NID ID | CA00203 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Los Angeles County Department Of Public Works
Local Government
Nearby Dams
Garvey Reservoir
Los Angeles, CA
High Hazard 160 ftElysian
Los Angeles, CA
High Hazard 71 ftEagle Rock
Los Angeles, CA
High Hazard 113 ftGlenoaks 968 Reservoir
Los Angeles, CA
High Hazard 62 ftSilver Lake
Los Angeles, CA
High Hazard 43 ftWhittier Narrows Dam
Los Angeles, CA
High Hazard 56 ftDevils Gate
Los Angeles, CA
High Hazard 108 ftChevy Chase 1290 Reservoir
Los Angeles, CA
High Hazard 90 ftFrequently Asked Questions
What is the hazard classification of Laguna Regulating Basin?
Laguna Regulating Basin is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Laguna Regulating Basin?
Laguna Regulating Basin is owned by Los Angeles County Department Of Public Works (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Laguna Regulating Basin built?
Laguna Regulating Basin was completed in 1970, making it 56 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 Laguna Regulating Basin?
Laguna Regulating Basin serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Laguna Regulating Basin?
Laguna Regulating Basin 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 Laguna Regulating Basin last inspected?
Laguna Regulating Basin was last inspected on November 30, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.