Yoder Reservoir Report

Last Updated: December 13, 2025

Yoder is a privately owned earth dam situated in Henry, Tennessee, completed in 1998 with a height of 40 feet and a hydraulic height of 38 feet.


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Summary

The dam serves a primary purpose classified as "Other" and has a storage capacity of 34 acre-feet. Although the dam is considered to have a low hazard potential, it is categorized as having a high risk level (2), indicating potential vulnerabilities that need to be addressed. Despite its low hazard potential, the condition of Yoder has not been rated, and its emergency action plan (EAP) status is currently unknown.

Located within the Nashville District of Tennessee, Yoder does not fall under state jurisdiction or regulation, and there have been no recent inspections or assessments of its structural integrity. Furthermore, there is no available information on the presence of outlet gates or associated structures. The dam has a length of 300 feet and a surface area of 2.5 acres, with no spillway type specified. Overall, Yoder presents an intriguing case study for water resource and climate enthusiasts due to its unique characteristics and risk assessment that highlight the importance of proactive monitoring and maintenance in the face of potential hazards.

Year Completed

1998

Dam Length

300

Primary Dam Type

Earth

Surface Area

2.5

Hydraulic Height

38

Nid Storage

34

Structural Height

40

Hazard Potential

Low

Nid Height

40
       
Seasonal Comparison

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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.