Haynes Creek - Brushy Fork Creek Ws Str H-22 Reservoir Report

Last Updated: December 5, 2025

Haynes Creek - Brushy Fork Creek WS Str H-22, also known as Lake Wellbrook or Big Haynes Creek WS #22, is a state-owned earth dam located in Gwinnett County, Georgia.


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Summary

Built in 1966 by the Natural Resources Conservation Service, this dam serves the primary purpose of flood risk reduction with a storage capacity of 650 acre-feet and a normal storage of 35 acre-feet. With a length of 878 feet and a height of 25 feet, this structure plays a crucial role in managing water resources in the region.

Despite its satisfactory condition assessment as of February 2020, Haynes Creek - Brushy Fork Creek WS Str H-22 is classified as having a high hazard potential. The dam is equipped with uncontrolled spillways and outlet gates, presenting a moderate risk level. Regular inspections are conducted, with the last inspection taking place in February 2020. The dam's risk management measures and emergency action plans are crucial components in ensuring the safety and stability of this important water resource infrastructure.

Water resource and climate enthusiasts will find Haynes Creek - Brushy Fork Creek WS Str H-22 to be a fascinating example of how human-made structures can effectively manage flood risk and contribute to water resource management. As a key element in the region's water infrastructure, this dam highlights the importance of ensuring the safety and reliability of such structures through regular inspection, maintenance, and risk assessment practices. Its presence showcases the intricate balance between human intervention and natural water systems in the face of changing climate conditions.

Year Completed

1966

Dam Length

878

Dam Height

25

River Or Stream

UNKNOWN

Primary Dam Type

Earth

Surface Area

9

Drainage Area

745

Nid Storage

650

Outlet Gates

Uncontrolled

Hazard Potential

High

Foundations

Unlisted/Unknown

Nid Height

25
       
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.