Grays Creek Ws Scs Site 104 Dam Reservoir Report

Last Updated: December 5, 2025

Grays Creek WS SCS Site 104 Dam, located in Navarro, Texas, is a local government-owned structure designed by USDA NRCS with a primary purpose of flood risk reduction along the Trinity River.


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Summary

This earth-type dam, completed in 1963, stands at a height of 21 feet and has a length of 974 feet, providing a storage capacity of 223 acre-feet. Despite its age, the dam remains in good condition and has not been rated for potential hazards.

The dam, managed by the Fort Worth District of the USACE, plays a crucial role in mitigating flood risks in the area. Its strategic location and design make it an important asset for water resource management and climate resilience efforts in the region. With a high risk assessment, it is essential for local authorities to ensure regular inspections and maintenance to uphold the dam's functionality and safety standards for the community.

Water resource and climate enthusiasts will find Grays Creek WS SCS Site 104 Dam to be a significant structure in flood risk reduction efforts along the Trinity River. Its historical significance, design features, and role in safeguarding the surrounding area from potential flooding make it a noteworthy site for those interested in sustainable water management practices and the impact of infrastructure on climate resilience. The dam serves as a tangible example of how engineering solutions can help address environmental challenges and protect communities from natural disasters.

Years Modified

2006 - Other

Year Completed

1963

Dam Length

974

Dam Height

21

River Or Stream

TR-TRINITY RIVER

Primary Dam Type

Earth

Surface Area

7

Hydraulic Height

21

Drainage Area

0.38

Nid Storage

223

Structural Height

21

Outlet Gates

None - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

21
       
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.