Gardner Dam A Reservoir Report

Last Updated: December 6, 2025

Gardner Dam A, located in San Saba, Texas, is a privately owned earth dam primarily used for irrigation purposes on the TR-COLORADO RIVER.


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Summary

Completed in 1982, this buttress dam stands at a height of 35 feet and has a structural height of 40 feet, with a length of 530 feet. The dam has a storage capacity of 113 acre-feet, with a normal storage level of 106 acre-feet.

Despite its age, Gardner Dam A has not been rated for condition assessment, and its hazard potential is currently listed as "Not Available." The risk assessment for this dam is categorized as high, indicating the need for proper risk management measures. The dam does not have a spillway and is monitored under Texas state jurisdiction with permitting and inspection requirements in place. As a significant piece of infrastructure for irrigation in the area, further evaluation and maintenance of Gardner Dam A are crucial to ensure its continued safe operation for water resource and climate enthusiasts in the region.

Year Completed

1982

Dam Length

530

Dam Height

35

River Or Stream

TR-COLORADO RIVER

Primary Dam Type

Earth

Hydraulic Height

35

Nid Storage

113

Structural Height

40

Outlet Gates

None - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

40
       
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.