Wallace Lake Dam Reservoir Report

Last Updated: December 5, 2025

Wallace Lake Dam, located in Madison County, Texas, was completed in 1950 and serves as a crucial water supply infrastructure.


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Summary

This private-owned earth dam stands at a height of 10 feet with a length of 470 feet, providing a storage capacity of 60 acre-feet. Situated on the TR-Navasota River, the dam plays a vital role in managing water resources for the region.

Despite its age, Wallace Lake Dam has a high hazard potential, indicating the importance of regular inspections and maintenance. The dam does not have a spillway and is equipped with one outlet gate. While the condition of the dam is not currently rated, its critical role in water supply highlights the need for ongoing risk assessment and management measures to ensure its structural integrity and safety.

With climate change impacting water resources and infrastructure, Wallace Lake Dam stands as a crucial piece of the puzzle in securing reliable water supply for the region. As enthusiasts of water resources and climate, monitoring and supporting the upkeep of dams like Wallace Lake Dam is essential in safeguarding our water security and resilience in the face of changing environmental conditions.

Year Completed

1950

Dam Length

470

Dam Height

10

River Or Stream

TR-NAVASOTA RIVER

Primary Dam Type

Earth

Surface Area

10

Hydraulic Height

10

Nid Storage

60

Structural Height

10

Outlet Gates

None - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

10
       
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.