Deer Creek Dam - New Holland Dike Reservoir Report

Last Updated: December 5, 2025

Deer Creek Dam - New Holland Dike in Ohio, managed by the US Army Corps of Engineers, serves as a crucial flood risk reduction structure along Deer Creek.


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Summary

Completed in 1968, this earth dam stands at 15 feet high and spans 4600 feet in length. Though its primary purpose is flood risk reduction, the dam does not eliminate all risks of flooding, as severe weather events can lead to dam releases or overwhelm the structure.

To mitigate these risks, the USACE implements a comprehensive risk management strategy for Deer Creek Dam. This includes ongoing monitoring of the dam's condition, prioritizing activities to reduce risks, and collaborating with local emergency managers to raise awareness and develop emergency plans. Regular maintenance and repairs are also conducted to ensure the dam's proper functioning. In addition, the USACE continuously updates the emergency action plan for the dam to be prepared for any potential emergencies.

As water resource and climate enthusiasts, it is important to recognize the critical role that Deer Creek Dam - New Holland Dike plays in managing flood risks along Deer Creek. By implementing effective risk management measures and maintaining the dam's integrity, the US Army Corps of Engineers is working diligently to safeguard the surrounding communities and infrastructure from potential flooding events.

Year Completed

1968

Dam Length

4600

Dam Height

15

River Or Stream

DEER CREEK

Primary Dam Type

Earth

Hazard Potential

High

Nid Height

15
       
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.