Lake Keomah Silt Dam, located in Mahaska, Iowa, stands as a testament to the importance of water resource management and climate resilience.
Wind
Humidity
Built in 1938 by the National Park Service, this state-regulated dam on the TR-Skunk River serves multiple purposes, including recreation and sediment control. With a height of 25 feet and a length of 455 feet, the dam provides a storage capacity of 100 acre-feet, covering a surface area of 9.8 acres.
Managed by the Iowa Department of Natural Resources, Lake Keomah Silt Dam plays a crucial role in flood control and water conservation efforts in the region. Despite its low hazard potential and moderate risk assessment, the dam's condition remains unrated, highlighting the need for regular inspections and maintenance to ensure its long-term effectiveness. As a popular recreational spot in the city of Lake Keomah, the dam also offers opportunities for outdoor activities amidst its scenic surroundings.
As climate change continues to impact water resources, Lake Keomah Silt Dam serves as a vital infrastructure for sustainable water management in Iowa. With its earth dam structure and uncontrolled spillway, the dam exemplifies the balance between human development and environmental stewardship. By understanding the dam's history, purpose, and impact, water resource and climate enthusiasts can appreciate the importance of resilient infrastructure in adapting to changing climatic conditions.
Year Completed |
1938 |
Dam Length |
455 |
Dam Height |
25 |
River Or Stream |
TR-SKUNK RIVER |
Primary Dam Type |
Earth |
Surface Area |
9.8 |
Drainage Area |
1.18 |
Nid Storage |
100 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
25 |
South Skunk River Near Oskaloosa
|
485cfs |
Des Moines River Near Tracy
|
1400cfs |
North Skunk River Near Sigourney
|
97cfs |
Cedar Creek Near Bussey
|
11cfs |
Des Moines River At Ottumwa
|
1090cfs |
Des Moines River Near Pella
|
2130cfs |
| Location | Reservations | Toilets |
|---|---|---|
Lake Keomah State Park Campground
|
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Lake Keomah State Park
|
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Glendale Access
|
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Quercus Wilderness Area
|
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Eveland Access
|
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Union Mills Access
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