Chase (#3) Reservoir Report

Last Updated: December 13, 2025

Chase (#3) is a privately owned earth dam located in Shelby, Tennessee, along the Tribbig Creek.


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Summary

Built in 1949, this dam stands at a structural height of 14 feet and has a hydraulic height of 10 feet, with a length of 255 feet. It has a storage capacity of 78 acre-feet, with a normal storage level of 56 acre-feet. The dam is classified as low hazard potential, and its condition assessment is currently listed as "Not Rated."

Despite being under private ownership, Chase (#3) falls under the regulatory jurisdiction of the state of Tennessee, with no state permitting, inspection, or enforcement requirements in place. The dam is equipped with an uncontrolled spillway and has no outlet gates. The last inspection was conducted in September 2019, with an inspection frequency of 5 years. The risk assessment for Chase (#3) indicates a moderate risk level of 3, prompting the need for continued monitoring and potential risk management measures in the future.

Located in close proximity to the Memphis District of the US Army Corps of Engineers, Chase (#3) is a vital structure contributing to water resource management in the region. With its historical significance and functional capacity, this dam serves as a reminder of the importance of maintaining and monitoring infrastructure to ensure the safety and sustainability of our water resources in the face of changing climates.

Year Completed

1949

Dam Length

255

River Or Stream

TRIBBIG CREEK

Primary Dam Type

Earth

Surface Area

14

Hydraulic Height

10

Drainage Area

0.1

Nid Storage

78

Structural Height

14

Outlet Gates

None

Hazard Potential

Low

Nid Height

14
       
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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.