Koinenia Lake Dam
Key Takeaway
Koinenia Lake Dam is classified as significant hazard in Oregon. It was completed in 1976 and is 50 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 40 ft (taller than 77% in OR) |
| Dam Length | 410 ft |
| Dam Type | Earth |
| Max Storage | 125 acre-ft |
| Normal Storage | 87 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 188 cfs |
| Year Completed | 1976 (50 years old) |
| NID ID | OR00621 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
CINDY JERGER
Private
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Low Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Koinenia Lake Dam?
Koinenia Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Koinenia Lake Dam?
Koinenia Lake Dam is owned by CINDY JERGER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Koinenia Lake Dam built?
Koinenia Lake Dam was completed in 1976, making it 50 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 Koinenia Lake Dam?
Koinenia Lake Dam serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Koinenia Lake Dam?
Koinenia Lake Dam 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 Koinenia Lake Dam last inspected?
Koinenia Lake Dam was last inspected on October 10, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.