Griffin Lake Dam is an earth dam located in Whitfield County, Georgia, built in 1957. It carries a Low hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 516 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 Griffin Lake Dam
The primary purpose of Griffin Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Heritage Lake Farms, Inc (private). It impounds the North Fork Mill Creek near Tunnel Hill.
The dam stands 24 feet tall and stretches 516 feet across, creates a reservoir covering 9 acres, and has a maximum storage capacity of 121 acre-feet. Completed in 1957, 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 01/31/2018.
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Location
| State | Georgia |
| County | Whitfield |
| Nearest City | Tunnel Hill |
| River/Stream | North Fork Mill Creek |
| Coordinates | 34.83472, -85.02083 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 516 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 121 acre-ft |
| Max Storage | 121 acre-ft |
| Normal Storage | 56 acre-ft |
| Surface Area | 9 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Heritage Lake Farms, Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 01/31/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA00723 |
| Federal ID | GA00723 |
| More Info | State Dam Safety Program |