Waubonsie Cr. Watershed Site 3-2 Reservoir Report
Last Updated: December 13, 2025
Located in Mills County, Iowa, Waubonsie Creek Watershed Site 3-2 is a vital water resource managed by the local government for purposes such as fire protection, stock, and small fish pond management.
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Summary
Constructed in 1993 by the USDA NRCS, this earth dam stands at a height of 51 feet and has a storage capacity of 629 acre-feet, serving as a key component for flood risk reduction in the area.
With a drainage area of 0.93 square miles, the dam helps regulate water flow in the TR-McPheron Creek, contributing to the overall water management efforts in the region. Despite its low hazard potential, the dam's risk assessment indicates a moderate level of risk, emphasizing the importance of continued monitoring and maintenance to ensure its effectiveness in mitigating potential hazards and supporting the surrounding ecosystem.
As a state-regulated structure under the jurisdiction of the Iowa Department of Natural Resources, Waubonsie Creek Watershed Site 3-2 plays a crucial role in water conservation and management efforts in the region. With its strategic location and design, this site serves as a valuable asset for both water resource and climate enthusiasts, highlighting the intersection of human infrastructure and environmental sustainability in watershed management.
Year Completed |
1993 |
Dam Length |
554 |
Dam Height |
51 |
River Or Stream |
TR- MC PHERRON CREEK |
Primary Dam Type |
Earth |
Surface Area |
23 |
Drainage Area |
0.93 |
Nid Storage |
629 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
51 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
West Nishnabotna River At Randolph
|
420cfs |
Weeping Water Creek At Union
|
20cfs |
Missouri River At Nebraska City
|
25100cfs |
Nishnabotna River Above Hamburg
|
605cfs |
Platte R At Louisville Ne
|
6300cfs |
East Nishnabotna River At Red Oak
|
270cfs |
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.
Waubonsie Cr. Watershed Site 3-2