Hansen Farms Dam Reservoir Report
Nearby: Mitch England Dam Hartsook Dam
Last Updated: December 14, 2025
Hansen Farms Dam, located in Diagonal, Iowa, serves multiple purposes including fire protection, stock, and small fish pond management.
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Summary
Constructed in 2001 by the NRCS, this earth dam stands at a height of 30 feet with a length of 423 feet, providing a storage capacity of 83 acre-feet. Situated on TR-Indian Creek, the dam is state-regulated, inspected, and enforced by the Iowa DNR, ensuring its safety and compliance with regulations.
With a low hazard potential and a moderate risk assessment rating, Hansen Farms Dam is a vital water resource for the Ringgold County community. The dam's design includes a stone core and soil foundation, with a spillway type classified as uncontrolled. Despite not having outlet gates or locks, the dam's normal storage capacity of 53 acre-feet and surface area of 5.8 acres support its intended functions effectively.
Managed by private owners, Hansen Farms Dam plays a crucial role in water management and conservation efforts in the region. As a significant structure along the Indian Creek tributary, the dam's construction and operation align with environmental and safety guidelines, contributing to the sustainable use of water resources for agricultural, recreational, and emergency purposes in the area.
Year Completed |
2001 |
Dam Length |
423 |
Dam Height |
30 |
River Or Stream |
TR- INDIAN CREEK |
Primary Dam Type |
Earth |
Surface Area |
5.8 |
Drainage Area |
0.17 |
Nid Storage |
83 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
30 |
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.
Hansen Farms Dam