Chestnut Hill Lake Dam
Key Takeaway
Chestnut Hill Lake Dam is classified as high hazard in Georgia. It was completed in 1986 and is 40 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 27 ft (taller than 65.9% in GA) |
| Dam Type | Earth |
| Max Storage | 163 acre-ft |
| Normal Storage | 87 acre-ft |
| Surface Area | 15 acres |
| Year Completed | 1986 (40 years old) |
| NID ID | GA05289 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Cobb County Water System
Local Government
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Chestnut Hill Lake Dam?
Chestnut Hill Lake Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Chestnut Hill Lake Dam?
Chestnut Hill Lake Dam is owned by Cobb County Water System (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Chestnut Hill Lake Dam built?
Chestnut Hill Lake Dam was completed in 1986, making it 40 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Chestnut Hill Lake Dam?
Chestnut Hill Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Chestnut Hill Lake Dam?
Chestnut Hill Lake Dam has a dam height of 27 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Chestnut Hill Lake Dam last inspected?
Chestnut Hill Lake Dam was last inspected on March 15, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.