Alston Lake Dam is an earth dam located in Franklin County, Georgia, built in 1970. It carries a Low hazard potential classification.
Dam profile
NID height · 21 ft21 ft tall and 300 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 Alston Lake Dam
The primary purpose of Alston Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Pataula Creek LLC (private). It impounds the Tr-nail Creek near Cromers.
The dam stands 21 feet tall and stretches 300 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 83 acre-feet. Completed in 1970, 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.
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Location
| State | Georgia |
| County | Franklin |
| Nearest City | Cromers |
| River/Stream | Tr-nail Creek |
| Coordinates | 34.29083, -83.27500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 300 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 83 acre-ft |
| Max Storage | 83 acre-ft |
| Normal Storage | 69 acre-ft |
| Surface Area | 12 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Pataula Creek LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA01838 |
| Federal ID | GA01838 |
| More Info | State Dam Safety Program |