Dixie Lake Dam Reservoir Report

Last Updated: December 5, 2025

Dixie Lake Dam, located in Harrison County, Texas, along Cypress Creek, stands as a vital structure for water resource management in the region.


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Summary

This Earth-type dam, with a height of 10.5 feet and a length of 800 feet, serves various purposes, including flood control and water storage. Owned privately, the dam is regulated by the Texas Commission on Environmental Quality (TCEQ) and undergoes regular inspections to ensure its structural integrity and safety.

Despite its importance, Dixie Lake Dam is currently assessed as being in poor condition, posing a moderate risk. The dam's spillway, with a width of 30 feet, is uncontrolled, and it has two uncontrolled outlet gates. The dam has a storage capacity of 48 acre-feet and covers a surface area of 11.4 acres, serving a drainage area of 1.9 square miles. The dam's hazard potential is not available, but its risk assessment indicates a moderate level of risk.

As climate change continues to impact water resources, the maintenance and management of dams like Dixie Lake Dam are crucial for ensuring the safety and sustainability of water supplies in the region. With its location on Cypress Creek and its role in flood control, this dam plays a key role in water resource management in Harrison County, Texas.

Dam Length

800

Dam Height

10.5

River Or Stream

CYPRESS CREEK

Primary Dam Type

Earth

Surface Area

11.4

Hydraulic Height

10.5

Drainage Area

1.9

Nid Storage

48

Structural Height

10.5

Outlet Gates

Uncontrolled - 2

Hazard Potential

Not Available

Foundations

Soil

Nid Height

11
       
Seasonal Comparison

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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.