Big Wyacondah Watershed Site 27-H-4, located in Davis County, Iowa, is a significant earth dam constructed in 1963 by the USDA NRCS to serve the primary purpose of flood risk reduction.
Wind
Humidity
Situated along the TR-South Wyacondah River, this dam stands at a height of 24 feet and has a length of 422 feet, with a storage capacity of 77 acre-feet. Despite its low hazard potential, the dam is regulated by the Iowa Department of Natural Resources and undergoes regular inspections to ensure its structural integrity.
With a drainage area of 0.22 square miles, Big Wyacondah Watershed Site 27-H-4 plays a crucial role in managing the water resources in the region. The dam's design and construction by the Natural Resources Conservation Service reflect a commitment to sustainable water management practices. Although the dam is currently rated as "not assessed," its moderate risk level indicates the need for ongoing monitoring and risk management measures to safeguard against potential hazards.
As a key infrastructure in the Kansas City District, Big Wyacondah Watershed Site 27-H-4 serves as a testament to the collaborative efforts between local government agencies, federal entities, and conservation organizations in safeguarding water resources and mitigating flood risks in the region. Its strategic location and design contribute to the overall resilience of the watershed, showcasing the importance of proactive water resource management in the face of changing climate patterns.
Year Completed |
1963 |
Dam Length |
422 |
Dam Height |
24 |
River Or Stream |
TR-SOUTH WYACONDAH RIVER |
Primary Dam Type |
Earth |
Surface Area |
4 |
Drainage Area |
0.22 |
Nid Storage |
77 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
24 |
Fox River At Bloomfield
|
7cfs |
Chariton River Near Moulton
|
34cfs |
Chariton River At Livonia
|
45cfs |
Des Moines River At Ottumwa
|
1090cfs |
Chariton River Near Rathbun
|
14cfs |
Des Moines River At Keosauqua
|
1800cfs |
| Location | Reservations | Toilets |
|---|---|---|
Lake Fisher
|
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McGowen Rec Area
|
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Drakesville City Park
|
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Lake Wapello State Park
|
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Lake Wapello State Park Campground
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