Mallory Lake Dam is an earth dam located in Twiggs County, Georgia, built in 1960. It carries a Low hazard potential classification.
Dam profile
NID height · 23 ft23 ft tall and 900 ft long. 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 Mallory Lake Dam
The primary purpose of Mallory Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Frances Sims Ricky Mark Brantley & Carolyn Currie (private). It impounds the Unknown near Ripley Environs.
The dam stands 23 feet tall and stretches 900 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 120 acre-feet, and collects water from a drainage area of 110 square miles. Completed in 1960, 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 12/14/2020.
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Location
| State | Georgia |
| County | Twiggs |
| Nearest City | Ripley Environs |
| River/Stream | Unknown |
| Coordinates | 32.74389, -83.45111 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 900 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 120 acre-ft |
| Max Storage | 120 acre-ft |
| Normal Storage | 79 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 110 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Frances Sims Ricky Mark Brantley & Carolyn Currie |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/14/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA02896 |
| Federal ID | GA02896 |
| More Info | State Dam Safety Program |