Gordon Cobb Lake Dam Reservoir Report

Last Updated: May 6, 2026

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Gordon Cobb Lake Dam in Hockley, Texas, is a vital structure for water supply, serving as a primary source of water for the region since its completion in 1934.


Summary

This Earth-type dam stands at a height of 24 feet and has a storage capacity of 178 acre-feet, with a normal storage level of 96 acre-feet. The dam overlooks the Yellow House Draw and is owned privately, with state permitting and inspection in place.

Despite its historical significance and importance for water resource management, Gordon Cobb Lake Dam faces some challenges in terms of risk assessment. It has been rated as having a high risk potential (2) due to its hazard potential not being available, and its condition assessment remains unrated. However, the dam has not been assigned an Emergency Action Plan (EAP) or undergone a risk management assessment yet, highlighting the need for proactive measures to ensure its safety and resilience in the face of potential hazards.

As a water resource and climate enthusiast, Gordon Cobb Lake Dam presents an intriguing case study for understanding the complexities of managing aging infrastructure and ensuring the safety and efficiency of water supply systems. Its location in Hockley, Texas, within the Fort Worth District, underscores the importance of ongoing monitoring and maintenance to address the identified risks and improve the overall resilience of the dam in the face of changing environmental conditions and potential emergencies.

15-Day Long Term Forecast


Year Completed

1934

Dam Length

100

Dam Height

24

River Or Stream

YELLOW HOUSE DRAW

Primary Dam Type

Earth

Surface Area

12

Hydraulic Height

24

Nid Storage

178

Structural Height

24

Outlet Gates

None - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

24
       
Seasonal Comparison

5-Day Hourly Forecast Detail

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.
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