Briarcliff Dam No 2 Reservoir Report

Last Updated: December 5, 2025

Briarcliff Dam No 2, located in Travis County, Texas, is a privately owned Earth dam built in 1966 across Cat Creek.


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Summary

The dam stands at a height of 13 feet and has a length of 380 feet, with a storage capacity of 15 acre-feet. Its primary purpose is listed as "Other," and it serves as a significant infrastructure for water resource management in the area.

The dam is regulated by the Texas Commission on Environmental Quality (TCEQ) and undergoes regular inspections to ensure its structural integrity. The condition assessment in 2014 rated it as "Fair," with a moderate risk level. The spillway type is uncontrolled, with a width of 62 feet, and there is one uncontrolled outlet gate. The dam has a surface area of 5.5 acres and a drainage area of 0.56 square miles, making it a critical component of the local hydrological network.

Overall, Briarcliff Dam No 2 is a vital piece of infrastructure for water management in the region, with a fair condition assessment and moderate risk level. As a privately owned dam, it plays a crucial role in regulating water flow in Cat Creek and provides essential storage capacity for the surrounding area. With regular inspections and oversight from the TCEQ, the dam continues to serve its purpose effectively while ensuring the safety and well-being of the community.

Year Completed

1966

Dam Length

380

Dam Height

13

River Or Stream

CAT CREEK

Primary Dam Type

Earth

Surface Area

5.5

Hydraulic Height

13

Drainage Area

0.56

Nid Storage

15

Structural Height

13

Outlet Gates

Uncontrolled - 1

Hazard Potential

Not Available

Foundations

Rock, Soil

Nid Height

13
       
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.