West Wolf Creek Subwatershed Site 13 Reservoir Report
Last Updated: December 14, 2025
West Wolf Creek Subwatershed Site 13, located in Woodbury County, Iowa, is a crucial water resource managed by the USDA NRCS, with a primary purpose of fire protection, stock, or small fish pond, as well as flood risk reduction.
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Summary
Completed in 1990, this earth dam stands at a height of 40 feet and has a length of 308 feet, providing a storage capacity of 61 acre-feet and covering a surface area of 3.2 acres. The dam is regulated by the Iowa DNR and is designated as a low hazard potential structure with a moderate risk assessment rating.
Situated along the TR- Wolf Creek, this site serves as a vital component of the local water infrastructure, ensuring water supply for various purposes while mitigating flood risks in the area. Despite being not rated for its current condition, the dam is subject to regular state inspections and enforcement, indicating a commitment to maintaining its integrity and functionality. With its strategic location and design, West Wolf Creek Subwatershed Site 13 exemplifies effective water resource management and climate resilience efforts in the region, contributing to the overall environmental sustainability and community well-being.
Year Completed |
1990 |
Dam Length |
308 |
Dam Height |
40 |
River Or Stream |
TR- WOLF CREEK |
Primary Dam Type |
Earth |
Surface Area |
3.2 |
Drainage Area |
0.22 |
Nid Storage |
61 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
40 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Little Sioux River At Correctionville
|
327cfs |
West Fork Ditch At Hornick
|
80cfs |
Floyd River At James
|
187cfs |
Missouri River At Sioux City
|
13700cfs |
Maple River At Mapleton
|
323cfs |
Perry Creek Near Milnerville
|
25cfs |
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.
West Wolf Creek Subwatershed Site 13