Upper Brushy Creek Ws Scs Site 22 Dam Reservoir Report

Last Updated: December 5, 2025

Located in Williamson County, Texas, the Upper Brushy Creek WS SCS Site 22 Dam stands as a testament to flood risk reduction efforts in the region.


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Summary

Constructed in 1959 by the USDA NRCS, this earth dam with a height of 28 feet and a length of 950 feet plays a crucial role in protecting the surrounding area from potential flooding events. With a storage capacity of 565 acre-feet and a drainage area of 0.7 square miles, the dam serves as a vital component of water resource management in the region.

Managed by local government authorities and regulated by the Texas Commission on Environmental Quality (TCEQ), the dam is subject to regular inspections to ensure its structural integrity and functionality. The dam's spillway type is classified as uncontrolled, with a width of 62 feet to manage excess water flow during heavy rainfall events. Despite being categorized as having a moderate risk level, the dam has not been rated for its current condition, highlighting the importance of ongoing monitoring and maintenance to protect the community it serves.

As a part of the broader network of water infrastructure in the Galveston District, the Upper Brushy Creek WS SCS Site 22 Dam plays a critical role in managing water flow and mitigating flood risks in the area. With a primary purpose of flood risk reduction, the dam also serves secondary purposes such as fire protection and stock or small fish pond maintenance. As climate change continues to impact weather patterns and increase the frequency of extreme events, the importance of resilient infrastructure like the Upper Brushy Creek Dam becomes even more apparent in safeguarding communities and ecosystems from the threats of flooding.

Year Completed

1959

Dam Length

950

Dam Height

28

River Or Stream

TR-BRUSHY CREEK

Primary Dam Type

Earth

Surface Area

11.8

Hydraulic Height

28

Drainage Area

0.7

Nid Storage

565

Structural Height

28

Outlet Gates

Slide (sluice gate) - 1, Uncontrolled - 2

Hazard Potential

Not Available

Foundations

Rock, Soil

Nid Height

28
       
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.