Deer Creek
Key Takeaway
Deer Creek is classified as low hazard in California. It was completed in 1980 and is 46 years old. Its primary use is water supply.
Physical Details
| Dam Height | 40 ft (taller than 46.3% in CA) |
| Dam Length | 1,085 ft |
| Dam Type | Earth |
| Max Storage | 103 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1980 (46 years old) |
| NID ID | CA01187 |
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
Juliana Mutual Water Company
Private
Nearby Dams
Upper Twin Lake
Napa, CA
Low Hazard 19 ftLower Twin Lake
Napa, CA
Low Hazard 18 ftDick Week
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Significant Hazard 70 ftLong Valley West No. 2
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Low Hazard 35 ftDavis
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Significant Hazard 42 ftReservoir 2
Napa, CA
High Hazard 14 ftTurkey Ranch
Napa, CA
High Hazard 35 ftHardester North
Napa, CA
Significant Hazard 36 ftFrequently Asked Questions
What is the hazard classification of Deer Creek?
Deer 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 Deer Creek?
Deer Creek is owned by Juliana Mutual Water Company (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Deer Creek built?
Deer Creek was completed in 1980, making it 46 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 Deer Creek?
Deer Creek serves the following purposes: Water Supply, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Deer Creek?
Deer Creek has a dam height of 40 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 Deer Creek last inspected?
Deer Creek was last inspected on January 28, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.