Lake Iowa Dam
Key Takeaway
Lake Iowa Dam is classified as low hazard in Iowa. It was completed in 1962 and is 64 years old. Its primary use is recreation.
Physical Details
| Dam Height | 40 ft (taller than 84% in IA) |
| Dam Length | 893 ft |
| Dam Type | Earth |
| Max Storage | 2.0K acre-ft |
| Normal Storage | 1.1K acre-ft |
| Surface Area | 92 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1962 (64 years old) |
| NID ID | IA00520 |
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
Iowa County Conservation Board
Local Government
Nearby Dams
Iowa Noname22
Iowa, IA
Low Hazard 47 ftBott Dam
Iowa, IA
Low Hazard 29 ftHolden Dam
Iowa, IA
Low Hazard 48 ftSmothers Dam
Iowa, IA
Low Hazard 37 ftMiller Dam
Iowa, IA
Low Hazard 39 ftHinrichs Dam
Iowa, IA
Low Hazard 32 ftCarter Dam
Iowa, IA
Low Hazard 28 ftVoss Dam
Keokuk, IA
Low Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Lake Iowa Dam?
Lake Iowa 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 Lake Iowa Dam?
Lake Iowa Dam is owned by Iowa County Conservation Board (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Iowa Dam built?
Lake Iowa Dam was completed in 1962, making it 64 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 Iowa Dam?
Lake Iowa Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Iowa Dam?
Lake Iowa 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 Lake Iowa Dam last inspected?
Lake Iowa Dam was last inspected on May 9, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.