Pilot Grove Creek Ws Scs Site 85b Dam Reservoir Report

Last Updated: December 5, 2025

Pilot Grove Creek WS SCS Site 85b Dam, located in Collin County, Texas, is a crucial structure designed by the USDA NRCS to reduce flood risks along TR-Elm Creek.


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Summary

Completed in 1966, this earth dam stands at a height of 39 feet and has a length of 2065 feet, providing a storage capacity of 920 acre-feet for water resource management. While primarily serving for flood risk reduction, the dam also caters to purposes such as fire protection, stock or small fish pond, and recreation, demonstrating its multifaceted utility in the region.

Managed by the local government and regulated by the Texas Commission on Environmental Quality (TCEQ), Pilot Grove Creek WS SCS Site 85b Dam maintains a high risk assessment due to its critical role in mitigating potential flood hazards. Despite being in a high-risk category, the dam's condition assessment is not rated, indicating the need for regular inspections and maintenance. With no spillway and limited outlet gates, the dam's design and functionality align with its primary purpose of flood risk reduction, emphasizing the importance of water resource management in preserving the surrounding ecosystem and community well-being.

As a key component of water infrastructure in Collin County, Pilot Grove Creek WS SCS Site 85b Dam underscores the significance of sustainable water resource management and climate adaptation strategies. With a history dating back to the 1960s, this earth dam continues to play a crucial role in safeguarding the local area from flood risks while offering additional benefits for recreation and wildlife habitat. The collaboration between local government, regulatory agencies, and design entities like USDA NRCS highlights the importance of holistic approaches to water resource management, ensuring the resilience and safety of communities in the face of changing climate patterns.

Year Completed

1966

Dam Length

2065

Dam Height

39

River Or Stream

TR-ELM CREEK

Primary Dam Type

Earth

Surface Area

27

Hydraulic Height

39

Drainage Area

1.8

Nid Storage

920

Structural Height

39

Outlet Gates

None - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

39
       
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.