O'Neal Lake Dam, also known as Lake Howell Dam, is a private-owned structure located in Stone Mountain, Georgia.
Wind
Humidity
This earth dam primarily serves the purpose of recreation, with a height of 30 feet and a hydraulic height of 25 feet. The dam has a normal storage capacity of 20 acre-feet and covers a surface area of 2 acres, with a drainage area of 92 acres. Despite being classified as having a low hazard potential, the dam has a moderate risk assessment rating of 3, indicating the need for ongoing monitoring and management measures.
The dam features an uncontrolled spillway type and outlet gates, with no associated locks for navigation. It has not undergone any modifications and its last inspection was conducted in May 2005, with a scheduled inspection frequency of every 5 years. The overall condition of the dam is currently not rated, emphasizing the importance of regular assessments to ensure its structural integrity and safety. While the dam is not under state regulation or permitting, it falls within the jurisdiction of Georgia and is subject to state inspections.
Given its key role in recreational activities and its moderate risk assessment, stakeholders and enthusiasts in water resources and climate should closely monitor O'Neal Lake Dam for any potential changes in condition or hazard levels. With its location in DeKalb County, Georgia, and the surrounding area's reliance on the dam for leisure purposes, it is essential to prioritize the ongoing maintenance and management of this vital water resource infrastructure. The dam's design characteristics, storage capacity, and risk profile highlight the importance of sustainable practices and proactive measures to safeguard its functionality and ensure the safety of the local community.
Dam Length |
300 |
Dam Height |
30 |
River Or Stream |
UNKNOWN |
Primary Dam Type |
Earth |
Surface Area |
2 |
Hydraulic Height |
25 |
Drainage Area |
92 |
Nid Storage |
30 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
30 |