Lake Tholocco Reservoir Report

Last Updated: December 5, 2025

Lake Tholocco, located in Daleville, Alabama, is a captivating destination for water resource and climate enthusiasts.


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Summary

Managed by the US Army, this picturesque reservoir was completed in 1935 and serves primarily for recreational purposes. With a dam height of 45 feet and a storage capacity of 17,600 acre-feet, the lake covers a surface area of 680 acres and is fed by Claybank Creek.

The dam at Lake Tholocco is classified as an earth dam with stone core, standing at a structural height of 45 feet. The spillway, which is uncontrolled, has a width of 23 feet. The reservoir is surrounded by stunning natural landscapes and offers opportunities for outdoor activities such as fishing, boating, and hiking. Despite its significant hazard potential, Lake Tholocco is well-maintained by the US Army, ensuring the safety of visitors and the surrounding environment.

With a moderate risk assessment rating, Lake Tholocco continues to attract visitors seeking a serene retreat in the heart of Alabama. Whether exploring its waters or enjoying the scenic views from its shores, this reservoir offers a unique blend of recreation and conservation efforts that make it a must-visit destination for water resource and climate enthusiasts.

Years Modified

2000 - Structural

Year Completed

1935

Dam Length

2700

Dam Height

45

River Or Stream

Claybank Creek

Primary Dam Type

Earth

Surface Area

680

Hydraulic Height

37

Drainage Area

83

Nid Storage

17600

Structural Height

45

Outlet Gates

Slide (sluice gate), Uncontrolled

Hazard Potential

Significant

Foundations

Soil

Nid Height

45
       
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.