Mohicanville Dam - Dike 2 Reservoir Report

Last Updated: December 6, 2025

Mohicanville Dam - Dike 2, located in Mohicanville, Ohio, was completed in 1984 by the US Army Corps of Engineers.


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Summary

With a primary purpose of flood risk reduction, this earth dam stands at a height of 25 feet and has a storage capacity of 67,000 acre-feet. It is associated with two other structures and is situated on the Lake Fork of the Mohican River. The dam is owned, funded, designed, constructed, regulated, inspected, and operated by the US Army Corps of Engineers, highlighting their commitment to ensuring its safety and functionality.

The dam has a high hazard potential and has emergency action plans in place, meeting all guidelines and having inundation maps prepared. The risk management measures include constant monitoring of the dam's condition, prioritizing activities to mitigate risks, and collaborating with local emergency managers to raise awareness and develop emergency plans. The USACE works diligently to address all types of flood risks associated with the dam and regularly updates its emergency action plan. Despite the inherent limitations of dams in completely eliminating flood risk, the USACE remains proactive in managing and reducing potential hazards to protect both the dam's integrity and downstream communities.

Overall, Mohicanville Dam - Dike 2 plays a crucial role in flood risk reduction in the area, with the US Army Corps of Engineers taking comprehensive measures to ensure its safety and effectiveness. As climate change brings about more severe weather events, the importance of managing dam-related flood risks becomes even more critical. The ongoing efforts of the USACE to monitor, maintain, and communicate the risks associated with the dam demonstrate their commitment to safeguarding both the dam and the surrounding communities from potential disasters.

Year Completed

1984

Dam Length

2177

Dam Height

25

River Or Stream

LAKE FORK OF MOHICAN RIVER

Primary Dam Type

Earth

Nid Storage

67000

Hazard Potential

High

Nid Height

25
       
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.
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