Soap Creek Watershed Site 4-58 Reservoir Report
Last Updated: December 6, 2025
Soap Creek Watershed Site 4-58 is a vital water resource located in the heart of Appanoose County, Iowa.
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Summary
Managed by the USDA NRCS, this local government-owned earth dam was completed in 1992 with a primary purpose of fire protection, stock, or small fish pond, as well as flood risk reduction. With a dam height of 28 feet and a storage capacity of 121 acre-feet, this site plays a crucial role in maintaining the ecological balance of the region.
Situated along the TR-SOAP CREEK, this watershed site covers a drainage area of 0.34 square miles and serves as a key component in water management and conservation efforts in the area. Despite its low hazard potential and moderate risk assessment, the condition of Soap Creek Watershed Site 4-58 is currently not rated, highlighting the need for further assessment and inspection. With its strategic location and significant impact on the surrounding environment, this site presents a unique opportunity for water resource and climate enthusiasts to study and appreciate the importance of sustainable water management practices.
As part of the Iowa DNR's state-regulated and permitted sites, Soap Creek Watershed Site 4-58 stands as a testament to the collaborative efforts between local and federal agencies in safeguarding water resources. With its uncontrolled spillway type and soil foundation, this earth dam serves as a model for effective water management infrastructure. Moving forward, ongoing monitoring and maintenance will be essential to ensure the continued functionality and safety of this critical water resource site for years to come.
Year Completed |
1992 |
Dam Length |
505 |
Dam Height |
28 |
River Or Stream |
TR-SOAP CREEK |
Primary Dam Type |
Earth |
Surface Area |
4 |
Drainage Area |
0.34 |
Nid Storage |
121 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
28 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Chariton River Near Rathbun
|
15cfs |
Chariton River Near Moulton
|
34cfs |
Fox River At Bloomfield
|
7cfs |
Des Moines River At Ottumwa
|
1090cfs |
Chariton River At Livonia
|
45cfs |
Cedar Creek Near Bussey
|
11cfs |
Dam Data Reference
Condition Assessment
SatisfactoryNo existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.
Hazard Potential Classification
HighDams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.
Area Campgrounds
| Location | Reservations | Toilets |
|---|---|---|
Lake Wapello State Park Campground
|
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Lake Wapello State Park
|
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Drakesville City Park
|
Soap Creek Watershed Site 4-58