Robeson Subwatershed Site 3055 Reservoir Report
Last Updated: December 13, 2025
Robeson Subwatershed Site 3055, located in Cherokee, Iowa, is a low-hazard earth dam constructed in 1955 by the USDA NRCS for fire protection and as a stock or small fish pond.
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Summary
This dam, situated on TR- Willow Creek, serves multiple purposes including flood risk reduction. With a height of 31 feet and a storage capacity of 28 acre-feet, it covers a surface area of 2 acres and drains a 0.13 square mile watershed.
Managed by the local government, this dam is regulated by the Iowa DNR and undergoes regular inspections and enforcement. Despite being labeled as low hazard, it is rated as having a moderate risk level (3). The dam has not been assessed for its condition or emergency preparedness, but it meets state jurisdiction requirements for permitting and inspection. With its location in the Rock Island District, this site provides valuable water resource management insights for climate and water enthusiasts.
The Robeson Subwatershed Site 3055 stands as a testament to the collaborative efforts between federal agencies and local governments in ensuring water resource sustainability and flood mitigation. Its multi-purpose design, along with its regulated maintenance and inspection processes, highlights the importance of proactive dam management in safeguarding communities and ecosystems against potential hazards. For those passionate about climate resilience and water resource management, this site serves as a valuable case study in balancing environmental protection with human development needs.
Year Completed |
1955 |
Dam Height |
31 |
River Or Stream |
TR- WILLOW CREEK |
Primary Dam Type |
Earth |
Surface Area |
2 |
Drainage Area |
0.13 |
Nid Storage |
28 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
31 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Little Sioux River At Correctionville
|
327cfs |
Floyd River At James
|
187cfs |
Floyd River At Alton
|
36cfs |
Maple River At Mapleton
|
323cfs |
West Fork Ditch At Hornick
|
80cfs |
Little Sioux River At Linn Grove
|
257cfs |
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.
Robeson Subwatershed Site 3055