Lake Sterling
Key Takeaway
Lake Sterling is classified as low hazard in California. It was completed in 1858 and is 168 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 32 ft (taller than 34.2% in CA) |
| Dam Length | 228 ft |
| Dam Type | Rockfill |
| Max Storage | 1.8K acre-ft |
| Normal Storage | 1.7K acre-ft |
| Surface Area | 112 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 400 cfs |
| Year Completed | 1858 (168 years old) |
| NID ID | CA00359 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Pacific Gas and Electric Company
Private
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High Hazard 3 ftFrequently Asked Questions
What is the hazard classification of Lake Sterling?
Lake Sterling is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Lake Sterling?
Lake Sterling is owned by Pacific Gas and Electric Company (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Sterling built?
Lake Sterling was completed in 1858, making it 168 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 Lake Sterling?
Lake Sterling serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Sterling?
Lake Sterling has a dam height of 32 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 Lake Sterling last inspected?
Lake Sterling was last inspected on August 12, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.