Duncan Lake Dam is an earth dam located in Cobb County, Georgia, built in 1952. It carries a Undetermined hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 1,120 ft long, taller than 50% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Duncan Lake Dam
The primary purpose of Duncan Lake Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Duncan, Helen C. (private). It impounds the Unknown near Mccollum Airport Environs.
The dam stands 25 feet tall and stretches 1,120 feet across, creates a reservoir covering 8 acres, and has a maximum storage capacity of 115 acre-feet. Completed in 1952, the structure is well into its service life at over 50 years old.
The most recent inspection on record was 04/01/1989. That was over 37 years ago.
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Location
| State | Georgia |
| County | Cobb |
| Nearest City | Mccollum Airport Environs |
| River/Stream | Unknown |
| Coordinates | 34.01778, -84.60222 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 1,120 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 115 acre-ft |
| Max Storage | 115 acre-ft |
| Normal Storage | 88 acre-ft |
| Surface Area | 8 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Duncan, Helen C. |
| Owner Type | Private |
| Hazard Classification | Undetermined |
| Condition Assessment | Not assessed |
| Last Inspection | 04/01/1989 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA02289 |
| Federal ID | GA02289 |
| More Info | State Dam Safety Program |