Rock Creek
Key Takeaway
Rock Creek is classified as low hazard in California. It was completed in 1932 and is 94 years old. Its primary use is other.
Physical Details
| Dam Height | 35 ft (taller than 38.2% in CA) |
| Dam Length | 270 ft |
| Dam Type | Earth |
| Max Storage | 34 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1932 (94 years old) |
| NID ID | CA00609 |
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
Private Entity
Private
Nearby Dams
Georgetown Cntrl
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Significant Hazard 38 ftRalston Afterbay
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High Hazard 89 ftMark Edson
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Significant Hazard 46 ftManhattan Creek
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High Hazard 32 ftMiddle Fork Interbay
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Low Hazard 70 ftBrush Creek
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Significant Hazard 213 ftFrequently Asked Questions
What is the hazard classification of Rock Creek?
Rock Creek 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 Rock Creek?
Rock Creek is owned by Private Entity (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rock Creek built?
Rock Creek was completed in 1932, making it 94 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 Rock Creek?
Rock Creek serves the following purposes: Other, Tailings, Irrigation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Rock Creek?
Rock Creek has a dam height of 35 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 Rock Creek last inspected?
Rock Creek was last inspected on April 6, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.