Lower Abbott Dam
Key Takeaway
Lower Abbott Dam is classified as significant hazard in California. It was completed in 1938 and is 88 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 10 ft (taller than 2.3% in CA) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 110 acre-ft |
| Normal Storage | 100 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 30 cfs |
| Year Completed | 1938 (88 years old) |
| NID ID | CA10310 |
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
USDA FS
Federal Government
Frequently Asked Questions
What is the hazard classification of Lower Abbott Dam?
Lower Abbott Dam 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 Lower Abbott Dam?
Lower Abbott Dam is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lower Abbott Dam built?
Lower Abbott Dam was completed in 1938, making it 88 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 Lower Abbott Dam?
Lower Abbott Dam serves the following purposes: Recreation, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lower Abbott Dam?
Lower Abbott Dam has a dam height of 10 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 Lower Abbott Dam last inspected?
Lower Abbott Dam was last inspected on August 1, 2011. Inspection dates indicate when a formal review occurred, not the results of that inspection.