East Lake Dam
Key Takeaway
East Lake Dam is classified as significant hazard in Iowa. It was completed in 1915 and is 111 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 41 ft (taller than 86.2% in IA) |
| Dam Length | 795 ft |
| Dam Type | Earth |
| Max Storage | 257 acre-ft |
| Normal Storage | 98 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1915 (111 years old) |
| Year Modified | 1978 |
| NID ID | IA01337 |
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
Clarke County Conservation Board
Local Government
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Significant Hazard 58 ftFrequently Asked Questions
What is the hazard classification of East Lake Dam?
East 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 East Lake Dam?
East Lake Dam is owned by Clarke County Conservation Board (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was East Lake Dam built?
East Lake Dam was completed in 1915, making it 111 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 East Lake Dam?
East Lake 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 East Lake Dam?
East Lake Dam has a dam height of 41 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 East Lake Dam last inspected?
East Lake Dam was last inspected on June 5, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.