Windrum Gss Reservoir Report

Last Updated: December 5, 2025

Windrum Gss, a privately owned earth dam located in Washington County, Texas, was completed in 1981 with a primary purpose that falls under the 'Other' category.


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Summary

Designed by USDA NRCS, this structure sits on TR-BRUSHY CREEK and has a height of 25 feet, a length of 810 feet, and a storage capacity of 167 acre-feet. Despite being regulated by the state and having permitting and inspection requirements in place, the dam is not currently rated for condition assessment and has a high risk level of 2, although specific risk management measures are not detailed.

While Windrum Gss lacks a spillway system, it does have a single outlet gate for water release. It is noteworthy that the dam poses a potential hazard, with emergency action plans and risk assessment data not available or updated. The dam's location in Galveston District and its association with Michael T. McCaul (R) as the Congressional Representative further highlight its significance in the region. The structure's status as not being operated by USACE suggests a level of autonomy in its management and maintenance, which could impact its long-term sustainability and safety for the surrounding community.

Year Completed

1981

Dam Length

810

Dam Height

25

River Or Stream

TR-BRUSHY CREEK

Primary Dam Type

Earth

Hydraulic Height

25

Nid Storage

167

Structural Height

25

Outlet Gates

None - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

25
       
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.