Treadwell Lake Dam is an earth dam located in Newton County, Georgia, built in 1960. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 336 ft long, taller than 55% 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 Treadwell Lake Dam
The primary purpose of Treadwell Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Island Shoals Land Association (private). It impounds the Parker Branch near Island Shoals Community.
The dam stands 26 feet tall and stretches 336 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 94 acre-feet, and collects water from a drainage area of 265 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 09/01/2005. That was over 21 years ago.
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Location
| State | Georgia |
| County | Newton |
| Nearest City | Island Shoals Community |
| River/Stream | Parker Branch |
| Coordinates | 33.46583, -83.92639 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 336 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 94 acre-ft |
| Max Storage | 94 acre-ft |
| Normal Storage | 72 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 265 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Island Shoals Land Association |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/01/2005 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA01869 |
| Federal ID | GA01869 |
| More Info | State Dam Safety Program |