Lewis Dam
Key Takeaway
Lewis Dam is classified as low hazard in Iowa. It was completed in 1963 and is 63 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 25 ft (taller than 19.3% in IA) |
| Dam Length | 327 ft |
| Dam Type | Earth |
| Max Storage | 45 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1963 (63 years old) |
| NID ID | IA00970 |
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
Glen Lewis
Private
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High Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Lewis Dam?
Lewis 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 Lewis Dam?
Lewis Dam is owned by Glen Lewis (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lewis Dam built?
Lewis Dam was completed in 1963, making it 63 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 Lewis Dam?
Lewis Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lewis Dam?
Lewis Dam has a dam height of 25 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.