Johnson Lake Dam is an earth dam located in Douglas County, Georgia, built in 1967. It carries a Low hazard potential classification.
Dam profile
NID height · 33 ft33 ft tall and 975 ft long, taller than 76% 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 Johnson Lake Dam
The primary purpose of Johnson Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Betty Jo Stewart Estate U.s. Bank Trust, N.a. As Trustee (private). It impounds the Yellow Rock Creek near Bill Arp.
The dam stands 33 feet tall and stretches 975 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 110 acre-feet, and collects water from a drainage area of 153 square miles. Completed in 1967, 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 05/01/2018.
At 33 feet, this dam is taller than 76% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Georgia |
| County | Douglas |
| Nearest City | Bill Arp |
| River/Stream | Yellow Rock Creek |
| Coordinates | 33.65778, -84.79778 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 975 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 110 acre-ft |
| Max Storage | 110 acre-ft |
| Normal Storage | 70 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 153 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Betty Jo Stewart Estate U.s. Bank Trust, N.a. As Trustee |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/01/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA02523 |
| Federal ID | GA02523 |
| More Info | State Dam Safety Program |