Mud Creek Subwatershed Site 14-1 Reservoir Report
Last Updated: December 14, 2025
Mud Creek Subwatershed Site 14-1 in Woodbury County, Iowa, is a crucial earth dam structure completed in 1973 by the USDA NRCS to serve multiple purposes including fire protection, stock watering, and flood risk reduction.
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Summary
Located in MOVILLE along TR-MUD CREEK, this dam stands at a height of 37 feet with a length of 430 feet, providing a storage capacity of 45 acre-feet and covering a surface area of 4.2 acres. Despite its uncontrolled spillway type and low hazard potential, the dam is regulated by the Iowa DNR and undergoes regular state inspections, enforcement, and permitting to ensure its functionality.
With a drainage area of 0.22 square miles, Mud Creek Subwatershed Site 14-1 plays a critical role in managing water resources in the region. Its condition is currently rated as "Not Rated," and the risk assessment has been categorized as moderate, emphasizing the importance of continuous monitoring and risk management measures. While the dam has not been modified over the years and lacks detailed emergency action plans, it remains a vital infrastructure for the community and surrounding areas, serving as a testament to the collaborative efforts of local government, state agencies, and federal designers in safeguarding water resources and enhancing climate resilience.
As climate change impacts continue to pose challenges to water management practices, the significance of structures like Mud Creek Subwatershed Site 14-1 cannot be overstated. With a dedicated team of stakeholders overseeing its operations and maintenance, this earth dam stands as a testament to the ongoing commitment towards sustainable water resource management and disaster risk reduction. Its location along TR-MUD CREEK highlights the interconnectedness of water systems and the need for integrated approaches to address evolving climate threats, ensuring the protection of communities, ecosystems, and vital infrastructure in the face of a changing climate landscape.
Year Completed |
1973 |
Dam Length |
430 |
Dam Height |
37 |
River Or Stream |
TR-MUD CREEK |
Primary Dam Type |
Earth |
Surface Area |
4.2 |
Drainage Area |
0.22 |
Nid Storage |
45 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
37 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Floyd River At James
|
187cfs |
Little Sioux River At Correctionville
|
327cfs |
Missouri River At Sioux City
|
13700cfs |
Perry Creek Near Milnerville
|
25cfs |
West Fork Ditch At Hornick
|
80cfs |
Omaha Cr At Homer
|
45cfs |
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.
Mud Creek Subwatershed Site 14-1