Ahquabi Silt Dam #2 Reservoir Report
Last Updated: December 8, 2025
Ahquabi Silt Dam #2, located in Indianola, Iowa, is a state-regulated earth dam completed in 1995 by Butts Engineering.
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Summary
This dam, with a height of 24 feet and a length of 540 feet, serves multiple purposes including fire protection, stock, small fish pond, and recreation. With a storage capacity of 191 acre-feet and a surface area of 8.7 acres, this dam plays a crucial role in managing water resources in the region.
Situated on TR- Squaw Creek, Ahquabi Silt Dam #2 is designed to have a low hazard potential and is currently rated as 'Not Rated' in terms of condition assessment. The dam has not been modified since its completion and has a moderate risk assessment level. While the dam does not have an Emergency Action Plan (EAP) prepared, it meets regulatory guidelines and is inspected, permitted, and enforced by the Iowa Department of Natural Resources. With its strategic location and design, Ahquabi Silt Dam #2 stands as a vital infrastructure for water resource management and climate resilience efforts in the area.
In the event of any emergencies or risks, the dam operators and regulators are equipped to respond effectively, ensuring the safety and well-being of the surrounding community. As a key component in the water management system of Warren County, Iowa, Ahquabi Silt Dam #2 serves as a testament to engineering expertise and proactive measures in safeguarding water resources and mitigating climate-related challenges. Its role in providing essential services for fire protection, recreational activities, and wildlife habitat underscores its significance in the region's ecological and environmental landscape.
Year Completed |
1995 |
Dam Length |
540 |
Dam Height |
24 |
River Or Stream |
TR- SQUAW CREEK |
Primary Dam Type |
Earth |
Surface Area |
8.7 |
Drainage Area |
0.88 |
Nid Storage |
191 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
24 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
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.
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