Sumner Lake Dam is an earth dam located in Cook County, Georgia, built in 1940. It carries a Low hazard potential classification.
Dam profile
NID height · 8 ft8 ft tall and 920 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 Sumner Lake Dam
The primary purpose of Sumner Lake Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Sumner, Ronnie J (private). It impounds the Big Branch near Sparks Community.
The dam stands 8 feet tall and stretches 920 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 82 acre-feet, and collects water from a drainage area of 3,460 square miles. Completed in 1940, 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Georgia |
| County | Cook |
| Nearest City | Sparks Community |
| River/Stream | Big Branch |
| Coordinates | 31.23056, -83.48778 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 920 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 82 acre-ft |
| Max Storage | 82 acre-ft |
| Normal Storage | 31 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 3,460 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Sumner, Ronnie J |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA03427 |
| Federal ID | GA03427 |
| More Info | State Dam Safety Program |