Soap Creek Watershed Site 68-74 Reservoir Report
Last Updated: December 6, 2025
Soap Creek Watershed Site 68-74, located in Monroe, Iowa, is a crucial water management site designed by the USDA NRCS with a primary purpose of flood risk reduction.
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Summary
Completed in 2003, this earth dam stands at 28 feet tall and spans 455 feet in length, providing a storage capacity of 118 acre-feet for the local area. With a surface area of 5 acres and a drainage area of 0.39 square miles, this site plays a vital role in managing water flow and reducing the risk of flooding in the region.
Situated near the TR-Boyd Branch river/stream, this low-hazard dam with uncontrolled spillway type serves as a key infrastructure for water resource and climate enthusiasts in the area. Despite being labeled as "Not Rated" in terms of condition assessment, the site has a moderate risk level of 3, indicating the importance of ongoing monitoring and maintenance to ensure its effectiveness in flood risk reduction. With its location in the Rock Island District and under the ownership of the local government, Soap Creek Watershed Site 68-74 stands as a testament to collaborative efforts in water resource management.
As part of the broader water management strategy in the region, this site showcases the intersection of engineering, environmental stewardship, and community resilience. With a focus on flood risk reduction, Soap Creek Watershed Site 68-74 serves as a critical piece of infrastructure that not only protects local residents from potential disasters but also contributes to the overall sustainability of the watershed. Its significance in mitigating flood risks and managing water resources highlights the importance of proactive planning and investment in infrastructure for a more climate-resilient future.
Year Completed |
2003 |
Dam Length |
455 |
Dam Height |
28 |
River Or Stream |
TR- BOYD BRANCH |
Primary Dam Type |
Earth |
Surface Area |
5 |
Drainage Area |
0.39 |
Nid Storage |
118 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
28 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Chariton River Near Rathbun
|
15cfs |
Des Moines River At Ottumwa
|
1090cfs |
Chariton River Near Moulton
|
34cfs |
Fox River At Bloomfield
|
7cfs |
Cedar Creek Near Bussey
|
11cfs |
Des Moines River Near Tracy
|
1400cfs |
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.
Soap Creek Watershed Site 68-74