West Wolf Creek Subwatershed Site 34 Reservoir Report
Last Updated: December 14, 2025
West Wolf Creek Subwatershed Site 34 is a critical water resource site located in Woodbury, Iowa, along the TR-Wolf Creek.
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Summary
This dam, completed in 1997 by the USDA NRCS, serves multiple purposes including fire protection, stock, and small fish pond management, as well as flood risk reduction. With a dam height of 28 feet and a storage capacity of 41 acre-feet, the site plays a crucial role in managing water resources in the area.
Owned by the local government and regulated by the Iowa DNR, West Wolf Creek Subwatershed Site 34 is designed to withstand low hazard potential and is currently rated as "Not Rated" in terms of condition assessment. The site covers a drainage area of 0.2 square miles and has a surface area of 3 acres, providing essential water storage for the surrounding community. Despite its moderate risk assessment level, the dam remains an integral part of the water management infrastructure in the region.
With its location in the Little Sioux River city and its proximity to Omaha District, West Wolf Creek Subwatershed Site 34 stands as a testament to effective water resource management. This site, with its earth dam structure and uncontrolled spillway, showcases the importance of maintaining and monitoring water infrastructure to ensure the safety and sustainability of water resources in the region.
Year Completed |
1997 |
Dam Length |
400 |
Dam Height |
28 |
River Or Stream |
TR- WOLF CREEK |
Primary Dam Type |
Earth |
Surface Area |
3 |
Drainage Area |
0.2 |
Nid Storage |
41 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
28 |
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 |
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.
West Wolf Creek Subwatershed Site 34