Lake Keomah Silt Dam
Key Takeaway
Lake Keomah Silt Dam is classified as low hazard in Iowa. It was completed in 1938 and is 88 years old. Its primary use is other.
Physical Details
| Dam Height | 25 ft (taller than 19.3% in IA) |
| Dam Length | 455 ft |
| Dam Type | Earth |
| Max Storage | 100 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1938 (88 years old) |
| NID ID | IA02057 |
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 Department of Natural Resources
State Government
Nearby Dams
Groenedyk Dam
Mahaska, IA
Low Hazard 30 ftVan Donselar Dam
Mahaska, IA
Low Hazard 30 ftLake Keomah Dam
Mahaska, IA
Significant Hazard 42 ftHugen Dam
Mahaska, IA
Low Hazard 22 ftScheuermann Dam
Mahaska, IA
Low Hazard 24 ftEdel Dam
Mahaska, IA
Low Hazard 22 ftGatton Dam
Mahaska, IA
Low Hazard 30 ftWhite Oak Lake Dam
Mahaska, IA
Significant Hazard 39 ftFrequently Asked Questions
What is the hazard classification of Lake Keomah Silt Dam?
Lake Keomah Silt 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 Keomah Silt Dam?
Lake Keomah Silt Dam is owned by Iowa Department of Natural Resources (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Keomah Silt Dam built?
Lake Keomah Silt Dam was completed in 1938, making it 88 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 Keomah Silt Dam?
Lake Keomah Silt Dam serves the following purposes: Other, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Keomah Silt Dam?
Lake Keomah Silt 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.