Lufkin Regional Detention Pond No 7 Dam Reservoir Report

Last Updated: December 5, 2025

Lufkin Regional Detention Pond No 7 Dam, located in Angelina, Texas, was completed in 2000 with the primary purpose of flood risk reduction along the UNNAMED TR-CEDAR CREEK.


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Summary

This earth dam stands at a height of 21 feet and has a length of 1622 feet, providing a maximum storage capacity of 308 acre-feet. The dam, designed by EVERETT GRIFFITH JR AND ASSOCIATES INC, features an uncontrolled spillway 519 feet wide and three uncontrolled outlet gates.

The dam is regulated by the Texas Commission on Environmental Quality (TCEQ) and is inspected every five years, with the last assessment in April 2018 rating the dam's condition as fair. With a moderate risk assessment rating, the dam's hazard potential is not available. The local government owns and manages the dam, ensuring its effectiveness in mitigating flood risks for the surrounding area. For water resource and climate enthusiasts, Lufkin Regional Detention Pond No 7 Dam serves as a crucial infrastructure for flood control and water management in the region.

Year Completed

2000

Dam Length

1622

Dam Height

21

River Or Stream

UNNAMED TR-CEDAR CREEK

Primary Dam Type

Earth

Surface Area

40

Hydraulic Height

21

Drainage Area

70

Nid Storage

308

Structural Height

21

Outlet Gates

Uncontrolled - 3

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

21
       
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.