Big Lake Dam is an earth dam located in Oglethorpe County, Georgia, built in 1969. It carries a Low hazard potential classification.
Dam profile
NID height · 40 ft40 ft tall and 300 ft long, taller than 86% 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 Big Lake Dam
The primary purpose of Big Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Smith, Sally (private). It impounds the Unknown near Augusta.
The dam stands 40 feet tall and stretches 300 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 158 acre-feet, and collects water from a drainage area of 585 square miles. Completed in 1969, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 09/01/2002. That was over 24 years ago.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Georgia |
| County | Oglethorpe |
| Nearest City | Augusta |
| River/Stream | Unknown |
| Coordinates | 33.98611, -83.17389 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 300 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 158 acre-ft |
| Max Storage | 158 acre-ft |
| Normal Storage | 104 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 585 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Smith, Sally |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/01/2002 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA00421 |
| Federal ID | GA00421 |
| More Info | State Dam Safety Program |