Lakes / Georgia / Henry County / Lake Erma
Lake Erma, Georgia
69 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Georgia
33.45 degrees N, 84.26 degrees W - Henry County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.
How Lake Erma Stacks Up
- Larger than 73% of the 728 lakes counted in Georgia.
- About 22 miles from Atlanta, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Harbins Lake | Henry | 2.4 mi | 263 acres |
| Shamrock Lake | Henry | 3.1 mi | 61 acres |
| Lake Cindy | Henry | 3.6 mi | 29 acres |
| Lake Talmadge | Henry | 4.3 mi | 33 acres |
| Lake Jodeco | Clayton | 4.7 mi | 554 acres |
| Twelve Oaks Lake | Henry | 5.5 mi | 32 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lake Erma
How Big Is Lake Erma?
Lake Erma covers 69 acres in Henry County, Georgia.
What Is the Largest Lake in Henry County?
Harbins Lake is the largest lake in Henry County, at 263 acres.
Largest Lakes in Georgia
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | J. Strom Thurmond Reservoir | Lincoln | 40,816 acres | - |
| 2 | Lake Sidney Lanier | Forsyth | 38,293 acres | - |
| 3 | Walter F George Reservoir | Quitman | 34,919 acres | - |
| 4 | J. Strom Thurmond Reservoir | Columbia | 25,660 acres | - |
| 5 | West Point Lake | Troup | 22,313 acres | - |
All 728 Georgia lakes ranked by surface area
Sources: USGS NHD (The National Map NHD MapServer layer 12) named waterbodies FTYPE 390/436; counties via Census point-in-polygon lake data (ID 49692365). Verified October 30, 2026.