Finley Ditch Reservoir Report
Last Updated: December 5, 2025
Finley Ditch, located in Dyer, Tennessee, is a state-regulated earth dam completed in 1983 with a structural height of 32.8 feet.
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Summary
Managed by the Tennessee Safe Dams Program, this dam has a significant hazard potential but is currently assessed as satisfactory. With a drainage area of 0.12 square miles and a storage capacity of 75 acre-feet, Finley Ditch serves as a critical water resource in the region.
Despite its uncontrolled spillway type and lack of outlet gates, Finley Ditch has a maximum storage capacity of 75 acre-feet and plays a vital role in managing water flow in the area. The dam's last inspection in March 2020 reported a satisfactory condition, with a moderate risk assessment rating. With the potential for emergency situations, the dam's risk management measures and emergency action plan readiness are areas that could be further developed to ensure the safety of surrounding communities and the environment.
For water resource and climate enthusiasts, the intricacies of Finley Ditch as a state-regulated structure offer a fascinating insight into the management of water resources in Tennessee. With its significant hazard potential and moderate risk assessment, understanding the operational and safety aspects of this earth dam provides valuable lessons in sustainable water management practices and emergency preparedness. As a key component of the Tennessee Safe Dams Program, Finley Ditch exemplifies the importance of effective regulation and inspection protocols in safeguarding critical water infrastructure.
Year Completed |
1983 |
Dam Length |
375 |
River Or Stream |
FINLEY DITCH |
Primary Dam Type |
Earth |
Drainage Area |
0.12 |
Nid Storage |
75 |
Structural Height |
32.8 |
Outlet Gates |
None |
Hazard Potential |
Significant |
Nid Height |
33 |
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.
Finley Ditch