Pilot Grove Creek Ws Scs Site 4b Dam Reservoir Report

Last Updated: December 6, 2025

Located in Grayson, Texas, the Pilot Grove Creek WS SCS Site 4b Dam is a vital structure designed by USDA NRCS to mitigate flood risks along the TR-PILOT GROVE CREEK.


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Summary

Completed in 1967, this earth dam stands at a height of 33 feet and spans 1265 feet, providing flood risk reduction and serving multiple purposes such as fire protection, stock, small fish pond, fish and wildlife pond, and recreation. With a normal storage capacity of 48 acre-feet and a drainage area of 0.9 square miles, this dam plays a crucial role in protecting the surrounding areas from potential inundation.

Managed by local government authorities and regulated by the Texas Commission on Environmental Quality (TCEQ), the Pilot Grove Creek WS SCS Site 4b Dam is a significant asset in water resource management. Despite its high risk assessment rating of 2, the dam's condition is currently not rated, highlighting the need for ongoing monitoring and maintenance to ensure its structural integrity and effectiveness in flood control. With no spillway and limited outlet gates, the dam's design and specifications reflect its primary purpose of flood risk reduction, emphasizing the importance of proactive risk management measures to safeguard the community and environment.

As a key feature in the Tulsa District of the US Army Corps of Engineers, the Pilot Grove Creek WS SCS Site 4b Dam stands as a testament to collaborative efforts in water resource infrastructure development. With a storage capacity of 443 acre-feet and a surface area of 9.6 acres, this earth dam serves as a critical line of defense against potential flooding events while also supporting various recreational and ecological functions. Moving forward, continued investment in maintenance and monitoring will be essential to ensure the long-term resilience and sustainability of this essential water management structure.

Year Completed

1967

Dam Length

1265

Dam Height

33

River Or Stream

TR-PILOT GROVE CREEK

Primary Dam Type

Earth

Surface Area

9.6

Hydraulic Height

33

Drainage Area

0.9

Nid Storage

443

Structural Height

33

Outlet Gates

None - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

33
       
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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.