Chambers Creek Ws Scs Site 106 Dam Reservoir Report

Last Updated: December 5, 2025

Chambers Creek WS SCS Site 106 Dam, located in Ellis, Texas, is a crucial piece of infrastructure designed by USDA NRCS in 1975 for Flood Risk Reduction along the TR-BIG ONION CREEK.


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Summary

This earth-type dam stands at a height of 30 feet and spans a length of 2220 feet, providing a normal storage capacity of 200 acre-feet and a maximum storage of 1288 acre-feet. Despite its age, this dam is state-regulated and regularly inspected by TCEQ, ensuring its structural integrity and functionality.

With a hazard potential labeled as "Not Available" and a risk assessment rating of "High (2)", the Chambers Creek WS SCS Site 106 Dam remains a critical asset in the region's water resource management strategy. Although lacking a spillway, the dam serves the primary purposes of Debris Control and Flood Risk Reduction, contributing to the overall safety and protection of the surrounding communities. Its association with the Natural Resources Conservation Service underscores the importance of sustainable and effective water infrastructure in mitigating the impacts of climate change and ensuring long-term water security.

As water resource and climate enthusiasts continue to monitor and advocate for the sustainable management of water infrastructure, the Chambers Creek WS SCS Site 106 Dam stands as a testament to the collaboration between local government entities and federal agencies in addressing flood risks and protecting communities. Its strategic location and design reflect a commitment to maintaining a resilient and efficient water management system in the face of evolving environmental challenges.

Year Completed

1975

Dam Length

2220

Dam Height

30

River Or Stream

TR-BIG ONION CREEK

Primary Dam Type

Earth

Surface Area

45

Hydraulic Height

30

Drainage Area

2.86

Nid Storage

1288

Structural Height

30

Outlet Gates

None - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

30
       
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.