Richland Creek Ws Scs Site 100a Dam Reservoir Report

Last Updated: December 5, 2025

Richland Creek WS SCS Site 100a Dam, located in Navarro, Texas, is a vital structure designed by the USDA NRCS to reduce flood risk in the area.


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Summary

Completed in 1972, this earth dam stands at a height of 31 feet and spans a length of 1613 feet, with a storage capacity of 2466 acre-feet. The dam is situated on TR-Hackberry Creek and is regulated by the TCEQ, with state permitting, inspection, and enforcement in place to ensure its safety and functionality.

The primary purpose of the Richland Creek WS SCS Site 100a Dam is flood risk reduction, serving as a crucial infrastructure to protect the surrounding area from potential flooding events. With a drainage area of 4.28 square miles and a maximum discharge of 2 cubic feet per second, this dam plays a crucial role in managing water flow and mitigating the impact of heavy rainfall. Despite its moderate risk assessment rating, the dam has not been rated for condition assessment, indicating the need for further evaluation and maintenance to ensure its long-term effectiveness in flood control.

Richland Creek WS SCS Site 100a Dam features a spillway type of uncontrolled, with an outlet structure consisting of a slide gate and two uncontrolled gates. While the dam's hazard potential and condition assessment are not available, its location and design highlight the importance of water resource management in the region. As water resource and climate enthusiasts, understanding and monitoring the functionality of dams like this one is crucial for ensuring sustainable water management practices and resilience in the face of changing environmental conditions.

Years Modified

1991 - Other

Year Completed

1972

Dam Length

1613

Dam Height

31

River Or Stream

TR-HACKBERRY CREEK

Primary Dam Type

Earth

Surface Area

50

Hydraulic Height

31

Drainage Area

4.28

Nid Storage

2466

Structural Height

31

Outlet Gates

Slide (sluice gate) - 1, Uncontrolled - 2

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

31
       
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.