Greenwood Lake Dam is an earth dam located in Thomas County, Georgia, built in 1934. It carries a Low hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 440 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 Greenwood Lake Dam
The primary purpose of Greenwood Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Greenwood/arcadia (private). It impounds the Watts Branch near Thomasville.
The dam stands 12 feet tall and stretches 440 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 122 acre-feet, and collects water from a drainage area of 1,480 square miles. Completed in 1934, the structure is well-established, with more than 75 years of service.
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 07/10/2019.
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Location
| State | Georgia |
| County | Thomas |
| Nearest City | Thomasville |
| River/Stream | Watts Branch |
| Coordinates | 30.87122, -84.03917 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 440 ft |
| Year Completed | 1934 (92 years old) |
Storage & Hydraulics
| NID Storage | 122 acre-ft |
| Max Storage | 122 acre-ft |
| Normal Storage | 64 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 1,480 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Greenwood/arcadia |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/10/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA03663 |
| Federal ID | GA03663 |
| More Info | State Dam Safety Program |