Mahaffey Lake Dam
Mahaffey Lake Dam is an earth dam located in Harris County, Georgia, built in 1944. It carries a Low hazard potential classification.
About Mahaffey Lake Dam
The primary purpose of Mahaffey Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Michael Roy Mehaffey (private). It impounds the Unknown near Midland Environs.
The dam stands 33 feet tall and stretches 695 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 216 acre-feet, and collects water from a drainage area of 130 square miles. Completed in 1944, 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. The most recent inspection on record was 02/25/2020.
At 33 feet, this dam is taller than 78% 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 | Harris |
| Nearest City | Midland Environs |
| River/Stream | Unknown |
| Coordinates | 32.60194, -84.81833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 695 ft |
| Year Completed | 1944 (82 years old) |
Storage & Hydraulics
| NID Storage | 216 acre-ft |
| Max Storage | 216 acre-ft |
| Normal Storage | 147 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 130 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Michael Roy Mehaffey |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 02/25/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA02720 |
| Federal ID | GA02720 |
| More Info | State Dam Safety Program |