Brushy Knob Ranch Lake Dam Reservoir Report

Last Updated: December 5, 2025

Brushy Knob Ranch Lake Dam, also known as Lower Haielip Lake Dam, is a privately owned structure located in Rockdale County, Georgia.


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Summary

Built in 1970 for recreational purposes, this Earth-type dam stands at a height of 26 feet with a hydraulic height of 22 feet, creating a reservoir with a storage capacity of 130 acre-feet. The dam spans 525 feet in length and covers an area of 11 acres, holding back Rock Creek and serving as a popular spot for outdoor activities.

Despite being unregulated by the state, Brushy Knob Ranch Lake Dam has a low hazard potential and has not been rated for its condition. The last inspection in September 2018 deemed it to be in good standing, with emergency action plans and risk assessments pending completion. While the dam's function primarily revolves around recreation, its presence contributes to the overall water resource management in the area and provides a picturesque setting for visitors to enjoy the natural beauty of the Union Spring Community.

In the realm of water resource and climate enthusiasts, Brushy Knob Ranch Lake Dam offers a unique perspective on the intersection of human infrastructure and environmental conservation. Its modest size and low risk profile make it a valuable case study for understanding the role of dams in balancing recreational needs with water storage capabilities, all within the context of sustainable management practices. As stakeholders continue to monitor and maintain this dam, it stands as a testament to the harmonious coexistence of man-made structures and natural ecosystems in the dynamic landscape of Georgia.

Year Completed

1970

Dam Length

525

Dam Height

26

River Or Stream

ROCK CREEK

Primary Dam Type

Earth

Surface Area

11

Hydraulic Height

22

Nid Storage

130

Outlet Gates

Uncontrolled

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

26
       
Seasonal Comparison

Weather Forecast

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.