Big Wyacondah Watershed Site 27-L, located in Davis County, Iowa, is a local government-owned dam managed by the Iowa Department of Natural Resources.
Wind
Humidity
Built in 1963 by the USDA SCS, this earth dam serves multiple purposes including fire protection, stock supply, and small fish pond maintenance. With a height of 24 feet and a length of 464 feet, the dam has a storage capacity of 100 acre-feet and covers a drainage area of 0.34 square miles.
Situated on the TR-South Wyacondah River, this dam has a low hazard potential and is currently rated as not assessed in terms of its condition. Despite its low risk, the dam falls under state regulation and is subject to regular inspections, permitting, and enforcement by the Iowa DNR. The dam's primary spillway is uncontrolled, and it has not been modified since its construction, indicating its stable and reliable performance over the years.
Overall, Big Wyacondah Watershed Site 27-L plays a crucial role in flood risk reduction and water resource management in the region. With its moderate risk assessment and solid construction, this dam serves as a valuable asset for the community of Arabela, MO, providing essential services while maintaining a safe and sustainable environment for all water resource and climate enthusiasts to enjoy.
Year Completed |
1963 |
Dam Length |
464 |
Dam Height |
24 |
River Or Stream |
TR-SOUTH WYACONDAH RIVER |
Primary Dam Type |
Earth |
Surface Area |
6 |
Drainage Area |
0.34 |
Nid Storage |
100 |
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
|
||
Lake Wapello State Park
|
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Lake Wapello State Park Campground
|