Soap Creek Watershed Site 4-93, located in Selma, Appanoose County, Iowa, is a flood risk reduction structure designed by the USDA NRCS and completed in 2004.
Wind
Humidity
This earth dam stands at a height of 32 feet and has a length of 373 feet, with a storage capacity of 73 acre-feet. The dam serves the primary purpose of flood risk reduction, specifically for the Tr- Soap Creek waterway, within the Rock Island District.
With a drainage area of 0.29 square miles, this low hazard potential dam has a surface area of 3.3 acres and a normal storage capacity of 19 acre-feet. Operated by the Iowa Department of Natural Resources, the site is regulated and permitted by state agencies for inspection and enforcement. The dam, categorized as uncontrolled spillway type, poses a moderate risk rating of 3 and has not been rated for its condition assessment.
Overall, Soap Creek Watershed Site 4-93 serves as a vital infrastructure for managing flood risk in the region, showcasing collaborative efforts between local government agencies and federal designers. Positioned along the Tr-Soap Creek waterway, this structure plays a crucial role in safeguarding the surrounding communities from potential flooding events, underscoring the importance of sustainable water resource management in mitigating climate-related risks in Iowa.
Year Completed |
2004 |
Dam Length |
373 |
Dam Height |
32 |
River Or Stream |
Tr- Soap Creek |
Primary Dam Type |
Earth |
Surface Area |
3.3 |
Drainage Area |
0.29 |
Nid Storage |
73 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
32 |
Chariton River Near Rathbun
|
15cfs |
Fox River At Bloomfield
|
7cfs |
Chariton River Near Moulton
|
34cfs |
Des Moines River At Ottumwa
|
1090cfs |
Cedar Creek Near Bussey
|
11cfs |
Chariton River At Livonia
|
45cfs |
| Location | Reservations | Toilets |
|---|---|---|
Lake Wapello State Park Campground
|
||
Lake Wapello State Park
|
||
Drakesville City Park
|