West Fork Big Creek Wtrshd Site W-16 Reservoir Report

Last Updated: April 26, 2026

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West Fork Big Creek Watershed Site W-16 is a local government-owned earth dam located in Ringgold County, Iowa, designed by the USDA NRCS and completed in 2005.


Summary

This flood risk reduction structure stands at a height of 26 feet and has a length of 510 feet, with a storage capacity of 59 acre-feet and a surface area of 3.7 acres. Situated on TR- WOLF CREEK, this dam plays a crucial role in mitigating flood risks in the area, with a low hazard potential and a moderate risk assessment rating.

Managed by the Rock Island District of the USACE, West Fork Big Creek Watershed Site W-16 serves as a key component in the state's efforts to regulate and inspect water resource infrastructure. While the dam itself is not federally owned or funded, the NRCS is responsible for its design and construction. Although the condition assessment is currently marked as "Not Rated," the structure is regularly inspected and maintained to ensure its effectiveness in flood risk reduction.

With its strategic location and purposeful design, West Fork Big Creek Watershed Site W-16 stands as a testament to the collaborative efforts between local and state agencies in safeguarding communities against the impacts of extreme weather events. As water resource and climate enthusiasts, we appreciate the importance of such infrastructure in enhancing resilience and sustainable water management practices in the region.

15-Day Long Term Forecast


Year Completed

2005

Dam Length

510

Dam Height

26

River Or Stream

TR- WOLF CREEK

Primary Dam Type

Earth

Surface Area

3.7

Drainage Area

0.18

Nid Storage

59

Hazard Potential

Low

Foundations

Soil

Nid Height

26
       
Seasonal Comparison

5-Day Hourly Forecast Detail

Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.
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