Felton Jones Gss No 1 Reservoir Report

Last Updated: December 5, 2025

Felton Jones Gss No 1 is a privately owned earth dam located in Knox, Texas, along the TR-Brazos River.


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Summary

Constructed in 1991 by the USDA NRCS, this dam stands at a height of 34 feet and has a storage capacity of 145 acre-feet. Despite its relatively small size, the dam plays a crucial role in managing water resources in the area, especially during periods of high discharge.

Although the dam does not have a spillway and is not rated for hazard potential, it is still considered to have a high risk level due to its age and condition assessment being marked as "Not Rated." Despite this, the dam has not been inspected recently, and its emergency action plan status is unknown. For water resource and climate enthusiasts interested in the management and maintenance of dams in Texas, Felton Jones Gss No 1 poses an intriguing case study on the importance of monitoring and assessing the risks associated with aging infrastructure.

Year Completed

1991

Dam Height

34

River Or Stream

TR-BRAZOS RIVER

Primary Dam Type

Earth

Hydraulic Height

34

Drainage Area

0.6

Nid Storage

145

Structural Height

34

Outlet Gates

None - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

34
       
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.