Upper Brushy Creek Ws Scs Site 13a Dam Reservoir Report

Last Updated: December 5, 2025

The Upper Brushy Creek WS SCS Site 13a Dam in Williamson County, Texas, is a crucial piece of infrastructure designed by the USDA NRCS for flood risk reduction along Dry Fork Creek.


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Summary

Completed in 1960, this earth dam stands at a height of 32 feet and stretches 5000 feet in length, with a storage capacity of 2839 acre-feet and a surface area of 30.1 acres. The dam features an uncontrolled spillway and a combination of slide and uncontrolled outlet gates.

Despite being state-regulated and inspected regularly by the TCEQ, the dam's condition is assessed as satisfactory, with a moderate risk level. The dam has undergone modifications in 2005 for hydraulic improvements and in 2012 for structural enhancements. With its primary purpose of flood risk reduction, the Upper Brushy Creek WS SCS Site 13a Dam plays a crucial role in protecting the surrounding area from potential inundation and ensuring the safety of nearby residents and livestock. Climate enthusiasts will appreciate the strategic design and engineering behind this essential water resource management structure.

Years Modified

2005 - Hydraulic, 2012 - Structural

Year Completed

1960

Dam Length

5000

Dam Height

32

River Or Stream

DRY FORK CREEK

Primary Dam Type

Earth

Surface Area

30.1

Hydraulic Height

32

Drainage Area

3.8

Nid Storage

2839

Structural Height

32

Outlet Gates

Slide (sluice gate) - 1, Uncontrolled - 3

Hazard Potential

Not Available

Foundations

Rock, Soil

Nid Height

32
       
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.