Dodgin Dam Reservoir Report

Last Updated: December 20, 2025

Dodgin Dam, located in Oldham County, Texas, is a privately owned Earth-type dam designed by the USDA NRCS and completed in 1970.


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Summary

Standing at 29 feet tall and 344 feet long, the dam has a storage capacity of 37 acre-feet, serving as a crucial structure for managing water resources in the region. The dam, built on the TR-MIDDLE ALAMOSA CREEK, plays a significant role in flood control and water supply management in the area.

Despite being privately owned, Dodgin Dam is subject to state permitting and inspection, ensuring its structural integrity and compliance with regulations. With a high risk assessment rating of 2, the dam is considered to have a potential hazard, although its condition is not currently rated. The dam does not have a spillway and is equipped with only one outlet gate. Its purpose and type highlight its versatile role in water resource management, reflecting the importance of such structures in mitigating the impacts of climate change and ensuring water security for local communities.

Dodgin Dam's presence underscores the collaborative efforts between private owners and government agencies, such as the Natural Resources Conservation Service, in safeguarding water resources in Texas. As a key component of the region's infrastructure, the dam serves as a critical tool in water management, enhancing resilience against floods and supporting sustainable water use practices. Its history, design, and operational considerations make Dodgin Dam a noteworthy structure for water resource and climate enthusiasts alike, showcasing the intersection of engineering, environmental stewardship, and community resilience in the face of changing climate patterns.

Year Completed

1970

Dam Length

344

Dam Height

29

River Or Stream

TR-MIDDLE ALAMOSA CREEK

Primary Dam Type

Earth

Hydraulic Height

29

Nid Storage

37

Structural Height

29

Outlet Gates

None - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

29
       
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.