Attoyac Bayou Ws Scs Site 18a Dam Reservoir Report

Last Updated: December 5, 2025

Attoyac Bayou WS SCS Site 18a Dam, located in Nacogdoches, Texas, is a crucial structure designed by the USDA NRCS in 1971 for flood risk reduction along Lick Creek.


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Summary

This earth dam stands at a height of 25 feet with a length of 2300 feet, providing a storage capacity of 1744 acre-feet to protect the surrounding area from potential flood events. The dam serves multiple purposes including fire protection, stock or small fish pond, and flood risk reduction, highlighting its importance in managing water resources in the region.

Managed by the local government and regulated by the Texas Commission on Environmental Quality (TCEQ), Attoyac Bayou WS SCS Site 18a Dam has not been rated for its condition assessment but is considered to have a high risk level. With one slide (sluice gate) outlet gate, the dam plays a vital role in controlling water flow and ensuring the safety of the community. Despite the lack of available data on its hazard potential, the dam's strategic location and design make it a significant asset for water resource and climate enthusiasts interested in understanding the impact of infrastructure on flood control and ecosystem management in the region.

As a part of the flood risk reduction system in Texas, Attoyac Bayou WS SCS Site 18a Dam contributes to the overall water management efforts in the area by providing critical storage capacity and structural support. With ongoing inspections and state permitting in place, the dam remains an essential component of the local water infrastructure. For enthusiasts interested in water resource management and climate adaptation, this dam serves as a case study for the intersection of engineering solutions and environmental conservation in addressing the challenges of water management in a changing climate scenario.

Year Completed

1971

Dam Length

2300

Dam Height

25

River Or Stream

LICK CREEK

Primary Dam Type

Earth

Hydraulic Height

25

Drainage Area

3.08

Nid Storage

1744

Structural Height

25

Outlet Gates

Slide (sluice gate) - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

25
       
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.