Spalding Triangle Lk Dam a (upper) is an earth dam located in Gwinnett County, Georgia, built in 1983. It carries a Low hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall and 75 ft long, taller than 72% 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 Spalding Triangle Lk Dam a (upper)
The primary purpose of Spalding Triangle Lk Dam a (upper) is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Gwinnett County (local government). It impounds the Farrell Creek.
The dam stands 31 feet tall and stretches 75 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 46 acre-feet, and collects water from a drainage area of 65 square miles. Completed in 1983, the structure is 43 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 10/26/2016.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Georgia |
| County | Gwinnett |
| River/Stream | Farrell Creek |
| Coordinates | 33.97347, -84.22250 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 75 ft |
| Year Completed | 1983 (43 years old) |
Storage & Hydraulics
| NID Storage | 46 acre-ft |
| Max Storage | 46 acre-ft |
| Normal Storage | 34 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 65 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Gwinnett County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/26/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA03899 |
| Federal ID | GA03899 |
| More Info | State Dam Safety Program |