Iman Lake Dam
Key Takeaway
Iman Lake Dam is classified as high hazard in Washington. It was completed in 1996 and is 30 years old. Its primary use is irrigation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Length | 150 ft |
| Dam Type | Earth |
| Max Storage | 32 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 177 cfs |
| Year Completed | 1996 (30 years old) |
| NID ID | WA01770 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Skamania Lodge
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Iman Lake Dam?
Iman Lake Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Iman Lake Dam?
Iman Lake Dam is owned by Skamania Lodge (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Iman Lake Dam built?
Iman Lake Dam was completed in 1996, making it 30 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 Iman Lake Dam?
Iman 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.
When was Iman Lake Dam last inspected?
Iman Lake Dam was last inspected on April 3, 2024. Inspection dates indicate when a formal review occurred, not the results of that inspection.