Upper Cibolo Creek Ws Scs Site 1 Dam Reservoir Report

Last Updated: December 5, 2025

Located in Kendall, Texas, the Upper Cibolo Creek WS SCS Site 1 Dam stands as a vital structure designed to mitigate flood risks in the region.


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Summary

Constructed in 1978, this earth-type dam boasts a height of 87 feet and a length of 5278 feet, providing essential flood risk reduction to the area. Managed by the Natural Resources Conservation Service, the dam serves multiple purposes, including flood risk reduction, recreation, and water supply, highlighting its importance in water resource management.

With a normal storage capacity of 4043 acre-feet and a maximum storage of 19022 acre-feet, the Upper Cibolo Creek WS SCS Site 1 Dam plays a crucial role in regulating water flow in the Cibolo Creek watershed. The dam's spillway, with a width of 816 feet and uncontrolled design, ensures effective water discharge during peak flow events. Moreover, the dam's satisfactory condition assessment and moderate risk rating further emphasize its reliability in safeguarding the surrounding communities from potential hazards.

As a key infrastructure in the Galveston District, the Upper Cibolo Creek WS SCS Site 1 Dam not only serves as a flood control measure but also contributes to the overall water resource management in the region. With its strategic location and efficient design, the dam stands as a testament to effective engineering practices in mitigating flood risks and ensuring water supply sustainability for the local community.

Year Completed

1978

Dam Length

5278

Dam Height

87

River Or Stream

CIBOLO CREEK

Primary Dam Type

Earth

Surface Area

189

Hydraulic Height

87

Drainage Area

19.8

Nid Storage

19022

Structural Height

89

Outlet Gates

Slide (sluice gate) - 1, Uncontrolled - 2

Hazard Potential

Not Available

Foundations

Soil

Nid Height

89
       
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.