Piersol Lake Reservoir Report

Last Updated: December 13, 2025

Piersol Lake, located in Shelby, Tennessee, near Memphis, is a picturesque water resource nestled within the tranquil surroundings of TRIBBRINKLEY BAYOU.


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Summary

Managed by the Tennessee Safe Dams Program, this state-regulated lake serves primarily for recreational purposes, offering a surface area of 14.3 acres for visitors to enjoy. Completed in 1954, the earth dam stands at a hydraulic height of 34.5 feet, providing a maximum storage capacity of 233 acre-feet and a normal storage of 137 acre-feet.

Despite its low hazard potential and satisfactory condition assessment, Piersol Lake undergoes regular inspections every 3 years to ensure its safety and structural integrity. With a moderate risk assessment rating of 3, the lake is equipped with an uncontrolled spillway and no outlet gates. The surrounding area offers a peaceful retreat for water resource and climate enthusiasts seeking a serene environment for outdoor activities. Piersol Lake's rich history and scenic beauty make it a must-visit destination for those looking to explore the wonders of Tennessee's natural landscapes.

Year Completed

1954

Dam Length

525

River Or Stream

TRIBBRINKLEY BAYOU

Primary Dam Type

Earth

Surface Area

14.3

Hydraulic Height

34.5

Drainage Area

0.22

Nid Storage

233

Structural Height

39.5

Outlet Gates

None

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.