Di-Or Lake Dam Reservoir Report

Last Updated: December 6, 2025

Di-Or Lake Dam, also known as Di-Or Pond, is a private dam located in Jackson, Ohio.


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Summary

Constructed in 1972 by the USDA NRCS, this earth dam stands at a height of 32.1 feet and has a length of 296 feet. With a primary purpose of recreation, the dam provides a storage capacity of 46 acre-feet and covers a surface area of 4.1 acres.

Managed by the Department of Natural Resources in Ohio, the Di-Or Lake Dam is regulated, inspected, and permitted by the state, ensuring its safety and compliance with regulations. However, the dam is classified as having a significant hazard potential and is currently assessed as being in poor condition. Despite these challenges, the dam continues to serve as a recreational resource for the local community, offering opportunities for boating, fishing, and other water-based activities.

Located on a tributary to Little Salt Creek, the Di-Or Lake Dam is an integral part of the water resource infrastructure in the area. With its uncontrolled spillway and significant storage capacity, the dam plays a crucial role in managing water flow and providing recreational opportunities. As efforts continue to assess and improve the dam's condition, it remains a focal point for water resource and climate enthusiasts interested in the intersection of infrastructure, recreation, and conservation.

Year Completed

1972

Dam Length

296

Dam Height

32.1

River Or Stream

TRIBUTARY TO LITTLE SALT CREEK

Primary Dam Type

Earth

Surface Area

4.1

Drainage Area

0.12

Nid Storage

46

Outlet Gates

Uncontrolled

Hazard Potential

Significant

Foundations

Soil

Nid Height

32
       
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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.