Floyd Lowe Dam Reservoir Report
Nearby: Morrison Pond Dam Cottonwood Lake Dam
Last Updated: December 5, 2025
Floyd Lowe Dam, located in Decatur, Indiana, is a privately owned earth dam completed in 1980 with a height of 23.2 feet and a length of 250 feet.
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Summary
The dam has a storage capacity of 55 acre-feet, with normal storage at 42 acre-feet. The dam serves the primary purpose of water resource management, with a drainage area of 0.13 square miles and a surface area of 6 acres.
Despite being privately owned, Floyd Lowe Dam is considered to have a significant hazard potential and its condition was assessed as fair in 2001. The dam has not been inspected since 2006, with an inspection frequency of 0. It is important for water resource and climate enthusiasts to monitor the condition and maintenance of the dam to ensure its safety and effectiveness in managing water resources in the area. Additionally, stakeholders should push for more frequent inspections and updates to the dam's emergency action plan to mitigate potential risks.
In the event of an emergency, it is crucial that the dam's emergency action plan is up to date and meets guidelines to effectively respond to any potential threats. With the right risk management measures in place, Floyd Lowe Dam can continue to serve its purpose in water resource management while ensuring the safety of surrounding communities and ecosystems.
Year Completed |
1980 |
Dam Length |
250 |
Dam Height |
23.2 |
Primary Dam Type |
Earth |
Surface Area |
6 |
Drainage Area |
0.13 |
Nid Storage |
55 |
Hazard Potential |
Significant |
Nid Height |
23 |
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.
Floyd Lowe Dam