Mccormick G 49 Dam Reservoir Report

Last Updated: December 5, 2025

Mccormick G 49 Dam, located in Lamar County, Texas, was completed in 1980 and serves as a crucial flood risk reduction structure along the TR-GHOST CREEK.


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Summary

This earth dam, designed by USDA NRCS, stands at a height of 24 feet and has a length of 638 feet, providing a storage capacity of 92 acre-feet. Despite its relatively small surface area of 0.52 square miles, the dam plays a significant role in mitigating potential flood hazards in the region.

Owned privately, Mccormick G 49 Dam is not regulated by the state but undergoes regular inspections to ensure its structural integrity. With no spillway and limited outlet gates, the dam's hazard potential is marked as "Not Available" while its risk assessment is categorized as "High (2)". Although lacking detailed risk management measures, the dam remains a critical infrastructure for flood control in the area, showcasing the importance of sustainable water resource management and climate adaptation strategies in the face of increasing weather-related challenges.

As water resource and climate enthusiasts, the Mccormick G 49 Dam offers insight into the vital role of infrastructure in safeguarding communities against flood risks. Its design, construction, and operational aspects highlight the ongoing efforts to enhance resilience and adapt to changing environmental conditions. By understanding and supporting such projects, enthusiasts can contribute to the broader mission of sustainable water resource management and climate resilience in the face of a changing climate.

Year Completed

1980

Dam Length

638

Dam Height

24

River Or Stream

TR-GHOST CREEK

Primary Dam Type

Earth

Surface Area

0.52

Hydraulic Height

24

Nid Storage

92

Structural Height

24

Outlet Gates

None - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

24
       
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.