Lake Lashane Dam
Key Takeaway
Lake Lashane Dam is classified as significant hazard in Iowa. It was completed in 1954 and is 72 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 30 ft (taller than 48.2% in IA) |
| Dam Length | 1,000 ft |
| Dam Type | Earth |
| Max Storage | 1.8K acre-ft |
| Normal Storage | 559 acre-ft |
| Surface Area | 100 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1954 (72 years old) |
| NID ID | IA01341 |
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
Lamoni Municipal Utilities
Local Government
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What is the hazard classification of Lake Lashane Dam?
Lake Lashane 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 Lake Lashane Dam?
Lake Lashane Dam is owned by Lamoni Municipal Utilities (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Lashane Dam built?
Lake Lashane Dam was completed in 1954, making it 72 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 Lake Lashane Dam?
Lake Lashane Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Lashane Dam?
Lake Lashane Dam has a dam height of 30 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 Lake Lashane Dam last inspected?
Lake Lashane Dam was last inspected on July 2, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.