Dearing Lake Dam Reservoir Report

Last Updated: December 5, 2025

Located in Jack, Texas, Dearing Lake Dam stands as a testament to engineering ingenuity and environmental stewardship since its completion in 1964.


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Summary

This private-owned Earth dam, with a structural height of 19 feet and a length of 850 feet, serves as a vital structure along the TR-Henderson Creek, providing essential water resource management for the region. With a maximum storage capacity of 52 acre-feet and a normal storage level of 25 acre-feet, the dam plays a crucial role in regulating water flow and supporting aquatic ecosystems.

Despite its age, Dearing Lake Dam remains a critical piece of infrastructure, meeting state inspection and permitting requirements to ensure its continued functionality and safety. The dam's high hazard potential underscores the need for ongoing risk management measures and emergency preparedness, although its condition assessment is currently not rated. With no spillway and limited associated structures, the dam primarily serves the purpose of water storage, highlighting its importance for maintaining water resources and mitigating the impacts of climate change on the surrounding area.

As water resource and climate enthusiasts continue to monitor the impact of climate change on water availability, Dearing Lake Dam stands as a key player in the region's water management strategy. With its strategic location along TR-Henderson Creek and its vital role in maintaining water storage levels, the dam serves as a valuable asset in protecting the local environment and supporting the community's water needs. As efforts to address climate change and water scarcity intensify, the importance of structures like Dearing Lake Dam in ensuring sustainable water resource management cannot be overstated.

Year Completed

1964

Dam Length

850

Dam Height

19

River Or Stream

TR-HENDERSON CREEK

Primary Dam Type

Earth

Surface Area

5

Hydraulic Height

19

Nid Storage

52

Structural Height

19

Outlet Gates

None - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

19
       
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.