Ga Kaolin Impound #11a Upper is an earth dam located in Twiggs County, Georgia. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 1,450 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 Ga Kaolin Impound #11a Upper
The primary purpose of Ga Kaolin Impound #11a Upper is tailings. Tailings dams contain waste material from mining operations — typically a slurry of finely ground rock left over after valuable minerals have been extracted. These structures require ongoing monitoring because tailings can contain heavy metals and other contaminants. The dam is owned by Imerys Kaolin Inc. C/o George Benio (private). It impounds the Unknown.
The dam stands 15 feet tall and stretches 1,450 feet across, creates a reservoir covering 65 acres, and has a maximum storage capacity of 610 acre-feet.
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 12/16/2020.
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Location
| State | Georgia |
| County | Twiggs |
| River/Stream | Unknown |
| Coordinates | 32.79028, -83.43056 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 1,450 ft |
Storage & Hydraulics
| NID Storage | 610 acre-ft |
| Max Storage | 610 acre-ft |
| Normal Storage | 160 acre-ft |
| Surface Area | 65 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Tailings |
| Owner | Imerys Kaolin Inc. C/o George Benio |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/16/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA05055 |
| Federal ID | GA05055 |
| More Info | State Dam Safety Program |