Patterson Lake Dam is an earth dam located in Douglas County, Georgia, built in 1962. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 174 ft long, taller than 50% 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 Patterson Lake Dam
The primary purpose of Patterson Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Patterson, Douglas R. (private). It impounds the Name Unknown near Douglasville.
The dam stands 25 feet tall and stretches 174 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 94 acre-feet, and collects water from a drainage area of 261 square miles. Completed in 1962, 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 06/01/1985. That was over 41 years ago.
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Location
| State | Georgia |
| County | Douglas |
| Nearest City | Douglasville |
| River/Stream | Name Unknown |
| Coordinates | 33.63825, -84.74394 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 174 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 94 acre-ft |
| Max Storage | 94 acre-ft |
| Normal Storage | 48 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 261 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Patterson, Douglas R. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/01/1985 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA01139 |
| Federal ID | GA01139 |
| More Info | State Dam Safety Program |