Upper East Fk Laterals Ws Scs Site 4 Dam Reservoir Report

Last Updated: December 5, 2025

The Upper East Fk Laterals WS SCS Site 4 Dam, also known as Caruth Lake, is a vital water resource infrastructure located in Rockwall, Texas.


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Summary

Built in 1955 by USDA NRCS, this earth dam stands at a height of 35 feet and spans a length of 1603 feet, providing flood risk reduction for the surrounding area. With a storage capacity of 1758 acre-feet and a surface area of 121 acres, this dam plays a crucial role in managing water resources in the region.

Managed by the local government and regulated by the TCEQ, the Upper East Fk Laterals WS SCS Site 4 Dam also serves purposes such as fire protection, stock or small fish pond, and recreation. The dam is designed with a spillway width of 363 feet and features outlet gates for water control. However, recent condition assessments have deemed the dam to be in unsatisfactory condition, highlighting the importance of regular inspections and maintenance to ensure its structural integrity and safety.

Despite its moderate risk assessment, the Upper East Fk Laterals WS SCS Site 4 Dam remains a critical infrastructure for water management and flood risk reduction in the area. With its historical significance and ongoing role in water resource management, this dam serves as a reminder of the importance of investing in and maintaining our essential water infrastructure for the future.

Year Completed

1955

Dam Length

1603

Dam Height

35

River Or Stream

SQUABBLE CREEK

Primary Dam Type

Earth

Surface Area

121

Hydraulic Height

35

Drainage Area

2.83

Nid Storage

1758

Structural Height

35

Outlet Gates

Slide (sluice gate) - 1, Uncontrolled - 2

Hazard Potential

Not Available

Foundations

Rock, Soil

Nid Height

35
       
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.