Rainwater Lake Dam is an earth dam located in Coweta County, Georgia, built in 1974. It carries a Low hazard potential classification.
Dam profile
NID height · 21 ft21 ft tall and 565 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 Rainwater Lake Dam
The primary purpose of Rainwater Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Owens, Gregory & Cynthia (private). It impounds the Unknown near Blackjack.
The dam stands 21 feet tall and stretches 565 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 126 acre-feet, and collects water from a drainage area of 400 square miles. Completed in 1974, 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 01/23/2017.
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Location
| State | Georgia |
| County | Coweta |
| Nearest City | Blackjack |
| River/Stream | Unknown |
| Coordinates | 33.25203, -84.66978 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 565 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 126 acre-ft |
| Max Storage | 126 acre-ft |
| Normal Storage | 58 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 400 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Owens, Gregory & Cynthia |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 01/23/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA02176 |
| Federal ID | GA02176 |
| More Info | State Dam Safety Program |