Mark Avenue Stormwater Structure is an earth dam located in Cobb County, Georgia, built in 2012. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall. 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 Mark Avenue Stormwater Structure
The primary purpose of Mark Avenue Stormwater Structure 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 Cobb County Water System Stormwater Management Division (local government). It impounds the Unnamed.
The dam stands 20 feet tall, and has a maximum storage capacity of 64 acre-feet. Completed in 2012, the structure is relatively new.
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.
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Location
| State | Georgia |
| County | Cobb |
| River/Stream | Unnamed |
| Coordinates | 33.99667, -84.54167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Year Completed | 2012 (14 years old) |
Storage & Hydraulics
| NID Storage | 64 acre-ft |
| Max Storage | 64 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Cobb County Water System Stormwater Management Division |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA06565 |
| Federal ID | GA06565 |
| More Info | State Dam Safety Program |