Chambers Creek Ws Scs Site 99 Dam Reservoir Report
Last Updated: December 5, 2025
Chambers Creek WS SCS Site 99 Dam, located in Ellis County, Texas, is a crucial structure designed by USDA NRCS for flood risk reduction along TR-MILL CREEK.
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Summary
Completed in 1960, this earth dam stands at a height of 31 feet and spans a length of 1792 feet, providing a normal storage capacity of 252 acre-feet and a maximum storage of 2096 acre-feet. With a drainage area of 4.22 square miles, the dam's uncontrolled spillway has a width of 240 feet, capable of handling a maximum discharge of 6260 cubic feet per second.
Managed by the local government and regulated by TCEQ, Chambers Creek WS SCS Site 99 Dam plays a vital role in controlling debris and reducing the risk of flooding in the region. Despite being rated as 'Not Available' in terms of hazard potential and 'Not Rated' in condition assessment, the dam's risk assessment is moderate (3). With two uncontrolled outlet gates, the dam has not been assigned a DSAC date, and its emergency action plan status is not available at this time.
As a significant infrastructure in the Fort Worth District, Chambers Creek WS SCS Site 99 Dam stands as a testament to effective flood risk reduction measures implemented by the Natural Resources Conservation Service. While its exact operational and emergency preparedness details are unspecified, the dam continues to serve its primary purpose of protecting the surrounding areas from the adverse effects of flooding, showcasing the importance of sustainable water resource management and climate resilience efforts in the face of changing environmental conditions.
Year Completed |
1960 |
Dam Length |
1792 |
Dam Height |
31 |
River Or Stream |
TR-MILL CREEK |
Primary Dam Type |
Earth |
Surface Area |
39 |
Hydraulic Height |
31 |
Drainage Area |
4.22 |
Nid Storage |
2096 |
Structural Height |
31 |
Outlet Gates |
Uncontrolled - 2 |
Hazard Potential |
Not Available |
Foundations |
Unlisted/Unknown |
Nid Height |
31 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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.
Chambers Creek Ws Scs Site 99 Dam