Lower Bucks Lake
Key Takeaway
Lower Bucks Lake is classified as high hazard in California. It was completed in 1928 and is 98 years old. Its primary use is hydroelectric. 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 | 99 ft (taller than 82% in CA) |
| Dam Length | 495 ft |
| Dam Type | Concrete |
| Max Storage | 5.8K acre-ft |
| Normal Storage | 5.8K acre-ft |
| Surface Area | 136 acres |
| Drainage Area | 31 sq mi |
| Max Discharge | 15,500 cfs |
| Year Completed | 1928 (98 years old) |
| NID ID | CA00331 |
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
Pacific Gas and Electric Company
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Lower Bucks Lake?
Lower Bucks Lake 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 Lower Bucks Lake?
Lower Bucks Lake is owned by Pacific Gas and Electric Company (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lower Bucks Lake built?
Lower Bucks Lake was completed in 1928, making it 98 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 Bucks Lake?
Lower Bucks Lake serves the following purposes: Hydroelectric, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lower Bucks Lake?
Lower Bucks Lake has a dam height of 99 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 Bucks Lake last inspected?
Lower Bucks Lake was last inspected on August 8, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.