Chambers Creek Ws Scs Site 115 Dam Reservoir Report

Last Updated: December 5, 2025

Chambers Creek WS SCS Site 115 Dam, located in Ellis, Texas, was completed in 1959 with a primary purpose of flood risk reduction along the TR-ONION CREEK.


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Summary

Designed by USDA NRCS, this earth dam stands at 21 feet high and spans 1153 feet in length, providing storage capacity of 829 acre-feet. The dam's core type is buttress, and it is state regulated by TCEQ with state permitting, inspection, and enforcement in place.

Despite being rated as "Not Available" in terms of hazard potential and "Not Rated" in condition assessment, Chambers Creek WS SCS Site 115 Dam poses a high risk level of 2. The dam does not have a spillway and is equipped with none outlet gates. The surrounding area covers 30 acres with a drainage area of 1.46 square miles. While the dam is not operated by the USACE, it serves as a critical infrastructure for flood control and debris management in the region.

For water resource and climate enthusiasts, Chambers Creek WS SCS Site 115 Dam offers a fascinating case study in earth dam design and management. With its historical significance in flood risk reduction and the challenges it faces in terms of risk assessment and potential hazard, this dam serves as a reminder of the importance of sustainable water resource management practices in the face of changing climate conditions.

Year Completed

1959

Dam Length

1153

Dam Height

21

River Or Stream

TR-ONION CREEK

Primary Dam Type

Earth

Surface Area

30

Hydraulic Height

21

Drainage Area

1.46

Nid Storage

829

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.