Soap Creek Watershed Site 4-87, located in Appanoose County, Iowa, is a local government-owned earth dam completed in 1992 for flood risk reduction along the TR-North Soap Creek.
Wind
Humidity
Managed by the Iowa Department of Natural Resources, this dam stands at 30 feet tall and spans 450 feet in length, with a storage capacity of 66 acre-feet. With a drainage area of 0.25 square miles and a surface area of 3.6 acres, this structure serves multiple purposes including fire protection, livestock watering, and flood risk reduction.
Operated by the Natural Resources Conservation Service, Soap Creek Watershed Site 4-87 has a low hazard potential and a moderate risk assessment rating of 3. While the condition of the dam is currently not rated, regular inspections, enforcement, and permitting are conducted by the Iowa DNR to ensure its safety and compliance. Despite its uncontrolled spillway type, the dam has not had any associated structural modifications or incidents, making it a relatively stable and secure asset for the community of Eldon and surrounding areas. For water resource and climate enthusiasts, this site provides valuable insight into the critical role of earth dams in managing water resources and mitigating flood risks in the region.
Year Completed |
1992 |
Dam Length |
450 |
Dam Height |
30 |
River Or Stream |
TR-NORTH SOAP CREEK |
Primary Dam Type |
Earth |
Surface Area |
3.6 |
Drainage Area |
0.25 |
Nid Storage |
66 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
30 |
| Location | Reservations | Toilets |
|---|---|---|
Lake Wapello State Park Campground
|
||
Lake Wapello State Park
|
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Drakesville City Park
|