Haynes-Brushy Fork Creek Ws Str. # 3 Reservoir Report

Last Updated: December 5, 2025

Haynes-Brushy Fork Creek WS Str.


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Summary

# 3, also known as H3, is a state-owned earth dam located in Gwinnett County, Georgia. Built in 1965 by the Natural Resources Conservation Service, this dam serves the primary purpose of flood risk reduction along Big Haynes Creek. Standing at 34 feet high with a hydraulic height of 27 feet, this structure has a storage capacity of 800 acre-feet and covers a surface area of 15 acres.

Despite its age, Haynes-Brushy Fork Creek WS Str. # 3 is in satisfactory condition according to its last inspection in January 2016. However, it has a high hazard potential, indicating the potential for significant consequences in the event of a failure. The dam is regulated by the Georgia Safe Dams Program and undergoes regular state inspections and enforcement to ensure its safety and functionality. The risk assessment for this dam is moderate, emphasizing the importance of continued monitoring and maintenance to mitigate potential risks.

Water resource and climate enthusiasts will find Haynes-Brushy Fork Creek WS Str. # 3 an intriguing structure due to its role in flood risk reduction and its location in a critical watershed area. The dam's design by the SCS and its association with the Natural Resources Conservation Service highlight the importance of sustainable water management practices in safeguarding communities and ecosystems. With its history dating back to the mid-20th century, this dam serves as a testament to the ongoing efforts to balance water resource development with environmental conservation in Georgia.

Year Completed

1965

Dam Length

417

Dam Height

34

River Or Stream

BIG HAYNES CREEK

Primary Dam Type

Earth

Surface Area

15

Hydraulic Height

27

Drainage Area

1705

Nid Storage

800

Outlet Gates

Uncontrolled

Hazard Potential

High

Foundations

Unlisted/Unknown

Nid Height

34
       
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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.