Coker Dam Reservoir Report

Last Updated: December 5, 2025

Coker Dam, located in Coleman, Texas, is a privately owned earth dam designed by W O LEACH ENGINEERS in 1947 for the primary purpose of water supply.


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Summary

The dam stands at a height of 27 feet and has a length of 1090 feet, with a storage capacity of 360 acre-feet. It is situated on the TR-SOUTH FORK JIM NED CREEK and falls under the jurisdiction of the Fort Worth District of the US Army Corps of Engineers.

Despite being privately owned, Coker Dam is regulated by the state of Texas with permitting and inspection requirements in place. The dam has no spillway and is classified as having a high risk potential, although its condition assessment is currently not rated. With a single outlet gate and no associated structures, the dam serves as a vital water source for the surrounding area, highlighting the importance of proper maintenance and risk management measures in place to ensure its safety and longevity.

Enthusiasts of water resources and climate can appreciate the significance of Coker Dam in providing essential water supply to the region. With its historical completion in 1947 and ongoing state regulation, the dam serves as a reminder of the importance of sustainable water management practices in the face of changing climate conditions. As a key infrastructure for water storage, Coker Dam plays a crucial role in mitigating water scarcity issues and ensuring a reliable water supply for the community it serves.

Year Completed

1947

Dam Length

1090

Dam Height

27

River Or Stream

TR-SOUTH FORK JIM NED CREEK

Primary Dam Type

Earth

Hydraulic Height

27

Nid Storage

360

Structural Height

27

Outlet Gates

None - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

27
       
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.