Pilot Grove Creek Ws Scs Site 79 Dam Reservoir Report

Last Updated: December 5, 2025

Pilot Grove Creek WS SCS Site 79 Dam, located in Collin County, Texas, was completed in 1965 by the USDA NRCS for the primary purpose of flood risk reduction.


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Summary

This earth dam stands at a height of 31 feet and has a length of 1430 feet, with a storage capacity of 868 acre-feet and a maximum discharge of 2713 cfs. The dam is regulated by the Texas Commission on Environmental Quality (TCEQ) and undergoes regular inspections to ensure its structural integrity.

The dam, situated on TR-Groves Creek, also serves purposes such as fire protection, stock or small fish pond, and recreation, highlighting its multi-functional benefits to the local community. Despite its importance in managing water resources and mitigating flood risks, the dam's condition assessment in April 2021 was deemed unsatisfactory, indicating a need for maintenance and potential improvements to ensure its continued effectiveness. With an associated surface area of 20.8 acres and a drainage area of 1.8 square miles, the dam plays a crucial role in water management in the region.

As water resource and climate enthusiasts, understanding the significance of infrastructure like Pilot Grove Creek WS SCS Site 79 Dam is essential in promoting sustainable water management practices. The moderate risk assessment (3) associated with the dam underscores the importance of continued monitoring and maintenance to safeguard against potential hazards and ensure the safety of surrounding communities. By staying informed and engaged in the upkeep of such vital structures, enthusiasts can contribute to the resilience of water resources in the face of changing climate conditions.

Year Completed

1965

Dam Length

1430

Dam Height

31

River Or Stream

TR-GROVES CREEK

Primary Dam Type

Earth

Surface Area

20.8

Hydraulic Height

31

Drainage Area

1.8

Nid Storage

868

Structural Height

31

Outlet Gates

Slide (sluice gate) - 1, Uncontrolled - 2

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

31
       
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.