Castle Lake Dam is an earth dam located in Cobb County, Georgia, built in 1970. It carries a Undetermined hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 495 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 Castle Lake Dam
The primary purpose of Castle Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Cobb County (local government). It impounds the Unknown near Garretts Bridge Environs.
The dam stands 25 feet tall and stretches 495 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 199 acre-feet. Completed in 1970, the structure is well into its service life at over 50 years old.
The most recent inspection on record was 12/01/1986. That was over 39 years ago.
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Location
| State | Georgia |
| County | Cobb |
| Nearest City | Garretts Bridge Environs |
| River/Stream | Unknown |
| Coordinates | 33.78389, -84.53111 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 21 ft |
| Dam Length | 495 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 199 acre-ft |
| Max Storage | 199 acre-ft |
| Normal Storage | 113 acre-ft |
| Surface Area | 12 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Cobb County |
| Owner Type | Local Government |
| Hazard Classification | Undetermined |
| Condition Assessment | Not assessed |
| Last Inspection | 12/01/1986 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA01492 |
| Federal ID | GA01492 |
| More Info | State Dam Safety Program |