Thompson Lake Dam is an earth dam located in Cherokee County, Georgia, built in 1979. It carries a Low hazard potential classification.
Dam profile
NID height · 35 ft35 ft tall and 500 ft long, taller than 80% 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 Thompson Lake Dam
The primary purpose of Thompson Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Thompson, Gordon (private). It impounds the Unknown near Acworth.
The dam stands 35 feet tall and stretches 500 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 141 acre-feet, and collects water from a drainage area of 167 square miles. Completed in 1979, the structure is 47 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 02/26/2019.
At 35 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Georgia |
| County | Cherokee |
| Nearest City | Acworth |
| River/Stream | Unknown |
| Coordinates | 34.11058, -84.63700 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 500 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 141 acre-ft |
| Max Storage | 141 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 167 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Thompson, Gordon |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 02/26/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA04070 |
| Federal ID | GA04070 |
| More Info | State Dam Safety Program |