Circle R Dam No 2 Reservoir Report

Last Updated: December 5, 2025

Circle R Dam No 2, located in Anderson, Texas, is a private dam with a primary purpose of recreation.


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Summary

Built in 1957 by designer Homer Killion, this earth dam stands at a height of 27 feet and spans a length of 414 feet, creating a storage capacity of 611 acre-feet. The dam is situated on the TR-STILLS CREEK and is regulated by the Texas Commission on Environmental Quality (TCEQ), with state inspections and enforcement in place to ensure its safety and compliance.

Despite being classified as having an unsatisfactory condition assessment, Circle R Dam No 2 poses a moderate risk level with an updated risk assessment of 3. The dam features an uncontrolled spillway type with three uncontrolled and one valve outlet gates. The last inspection took place in July 1983, with a recent condition assessment conducted in April 2021. While no emergency action plan (EAP) has been prepared or updated, the dam remains in operation and is managed for recreational purposes, offering a potential area of interest for water resource and climate enthusiasts.

Overall, Circle R Dam No 2 serves as a recreational structure in the Fort Worth District, providing storage and water management capabilities within the region. With a historical background dating back to the late 1950s and continuous state regulation and inspection, the dam presents a unique opportunity for further study and engagement in the realm of water resource management and climate resilience.

Years Modified

1978 - Structural

Year Completed

1957

Dam Length

414

Dam Height

27

River Or Stream

TR-STILLS CREEK

Primary Dam Type

Earth

Hydraulic Height

27

Drainage Area

1.76

Nid Storage

611

Structural Height

27

Outlet Gates

Uncontrolled - 3, Valve - 1

Hazard Potential

Not Available

Foundations

Rock, Soil

Nid Height

27
       
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.