Lucas County Roadgrade Dam 14-71-21 Reservoir Report
Last Updated: December 8, 2025
The Lucas County Roadgrade Dam 14-71-21, located in Iowa, is a private earth dam constructed in 1968 by the Natural Resources Conservation Service.
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Summary
With a height of 17 feet and a length of 700 feet, this dam serves multiple purposes, including fire protection, stock and small fish pond maintenance, and other uses. It has a storage capacity of 67 acre-feet and covers a surface area of 5.4 acres, with a drainage area of 0.4 square miles.
Situated on the TR-Chariton River near the Rathbun Reservoir, this dam is state-regulated and inspected by the Iowa Department of Natural Resources. Despite being classified as having a low hazard potential, the dam's condition has not been rated. With a moderate risk assessment score of 3, the dam may require ongoing risk management measures to ensure its safety and effectiveness. As water resource and climate enthusiasts, staying informed about the state of dams like Lucas County Roadgrade Dam 14-71-21 is essential for understanding and managing water resources in the region.
Overall, Lucas County Roadgrade Dam 14-71-21 is a vital infrastructure that plays a role in water management and conservation efforts in the area. With its unique design and multiple purposes, this dam serves as a valuable resource for the community while also presenting challenges that require careful monitoring and maintenance. As climate and water resource enthusiasts, recognizing the importance of dams like this one can help guide future initiatives for sustainable water management practices in the region.
Year Completed |
1968 |
Dam Length |
700 |
Dam Height |
17 |
River Or Stream |
TR- CHARITON RIVER |
Primary Dam Type |
Earth |
Surface Area |
5.4 |
Drainage Area |
0.4 |
Nid Storage |
67 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
17 |
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.
Lucas County Roadgrade Dam 14-71-21
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