Taylorsville Dam Reservoir Report

Last Updated: December 5, 2025

Taylorsville Dam, located in Montgomery County, Ohio, along the Great Miami River, was completed in 1922 by the Miami Conservancy District.


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Summary

The dam stands at a height of 78 feet and spans 2980 feet, serving primarily for flood risk reduction in the region. With a storage capacity of 386,000 acre-feet, the dam plays a crucial role in managing water flow and protecting the surrounding communities from potential flooding events.

Managed by the local government and regulated by the Ohio Department of Natural Resources, Taylorsville Dam undergoes regular inspections to ensure its structural integrity and safety. Despite being classified as having a high hazard potential, the dam's condition was assessed as fair during the last inspection in 2019. Emergency action plans are in place, and the dam meets regulatory guidelines to address any potential risks and ensure public safety in case of an emergency.

As a significant infrastructure along the Great Miami River, Taylorsville Dam plays a vital role in water resource management and flood control efforts in the region. Its historical significance, coupled with its impact on the local ecosystem, makes it a key structure for water resource and climate enthusiasts to study and understand in the context of sustainable water management practices and climate resilience.

Year Completed

1922

Dam Length

2980

Dam Height

78

River Or Stream

GREAT MIAMI RIVER

Primary Dam Type

Earth

Drainage Area

1133

Nid Storage

386000

Hazard Potential

High

Nid Height

78
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.