Upper Brushy Creek Ws Scs Site 16 Dam Reservoir Report

Last Updated: December 5, 2025

The Upper Brushy Creek WS SCS Site 16 Dam, located in Williamson County, Texas, was completed in 1963 by the USDA NRCS for the primary purpose of flood risk reduction along McNutt Creek.


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Summary

This earth dam stands at a height of 48 feet and has a length of 2550 feet, with a storage capacity of 4868 acre-feet and a drainage area of 5.63 square miles. The dam features an uncontrolled spillway with a width of 202 feet and is regulated by the Texas Commission on Environmental Quality (TCEQ).

In 2009, the dam underwent hydraulic modifications to ensure its continued effectiveness in managing floodwaters. The structure is inspected every 5 years, with the last inspection conducted in February 2015. Despite being rated as "Not Available" in terms of hazard potential and condition assessment, the dam is considered to have a moderate risk level (3) based on a risk assessment. Emergency action plans have been prepared and updated periodically, with the latest revision in March 2018.

The Upper Brushy Creek WS SCS Site 16 Dam serves as a vital infrastructure for flood risk management in the region, protecting downstream areas from potential inundation during heavy rain events. With its strategic location and design features, this dam plays a crucial role in safeguarding communities and properties along McNutt Creek, showcasing the importance of sustainable water resource management and climate resilience in the face of changing environmental conditions.

Years Modified

2009 - Hydraulic

Year Completed

1963

Dam Length

2550

Dam Height

48

River Or Stream

MCNUTT CREEK

Primary Dam Type

Earth

Surface Area

46

Hydraulic Height

48

Drainage Area

5.63

Nid Storage

4868

Structural Height

48

Outlet Gates

Uncontrolled - 2, Valve - 1

Hazard Potential

Not Available

Foundations

Rock, Soil

Nid Height

48
       
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.