Jefferts Dam
Key Takeaway
Jefferts Dam is classified as low hazard in Washington. It was completed in 1988 and is 38 years old. Its primary use is irrigation.
Physical Details
| Dam Length | 275 ft |
| Dam Type | Earth |
| Max Storage | 52 acre-ft |
| Normal Storage | 32 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 100 cfs |
| Year Completed | 1988 (38 years old) |
| NID ID | WA01638 |
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
LynnBahrych
Private
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Low HazardFrequently Asked Questions
What is the hazard classification of Jefferts Dam?
Jefferts Dam 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 Jefferts Dam?
Jefferts Dam is owned by LynnBahrych (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Jefferts Dam built?
Jefferts Dam was completed in 1988, making it 38 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 Jefferts Dam?
Jefferts Dam serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Jefferts Dam last inspected?
Jefferts Dam was last inspected on May 19, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.