Upper Bosque River Ws Scs Site 6 Dam Reservoir Report

Last Updated: December 5, 2025

The Upper Bosque River WS SCS Site 6 Dam, located in Stephenville, Texas, was completed in 1970 by the USDA NRCS for the primary purpose of flood risk reduction along the Dry Branch river.


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Summary

This earth dam stands at a height of 33 feet and stretches 3550 feet in length, with a maximum storage capacity of 3590 acre-feet and a normal storage of 172 acre-feet. The dam has a spillway width of 253 feet and can discharge a maximum of 13213 cubic feet per second in case of heavy rainfall events.

The dam is regulated by the Texas Commission on Environmental Quality (TCEQ) and undergoes state inspections and enforcement to ensure safety and compliance with regulations. The condition of the dam was assessed as "fair" in April 2021, with a moderate risk level assigned. The last inspection was conducted in September 2012, with an inspection frequency of every 5 years. The dam is equipped with slide and uncontrolled gates for outlet control, and has a hazard potential classification of "Not Available".

Overall, the Upper Bosque River WS SCS Site 6 Dam plays a crucial role in mitigating flood risks in the area and ensuring the safety of residents and infrastructure along the Dry Branch river. Climate and water resource enthusiasts will appreciate the detailed information provided on the dam's design, construction, storage capacity, and regulatory oversight, highlighting the importance of sustainable water management practices in flood-prone regions like Erath County, Texas.

Year Completed

1970

Dam Length

3550

Dam Height

33

River Or Stream

DRY BRANCH

Primary Dam Type

Earth

Surface Area

46

Hydraulic Height

33

Drainage Area

4.1

Nid Storage

3590

Structural Height

33

Outlet Gates

Slide (sluice gate) - 1, Uncontrolled - 4

Hazard Potential

Not Available

Foundations

Rock, Soil

Nid Height

33
       
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.