We found 23 public water systems in DeKalb county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Dekalb County | Stone Mountain | 743,000 | 23 | 2 |
| Atlanta | Atlanta | 650,000 | 64 | 10 |
| Chas. A. Purser Water System | County of Dekalb | 18,000 | 0 | 0 |
| Stone Mountain | County of Dekalb | 3,301 | 0 | 0 |
| Clarkston | Clarkston Georg | 1,800 | 0 | 0 |
| Mark Fina Station | County of Dekalb | 250 | 0 | 0 |
| Stone Mountain Airport | County of Dekalb | 200 | 0 | 0 |
| Waters Non-community Water Sup | County of Dekalb | 200 | 0 | 0 |
| Sugar Hill Cafe | F R Jones | 150 | 0 | 0 |
| Hinesville Ga 31313 | County of Dekalb | 140 | 0 | 0 |
| Shell Gas Station | County of Dekalb | 125 | 0 | 0 |
| Midway Ga 31320 | Mr Harold Beaum | 120 | 0 | 0 |
| Liberty Manor | Midway Georgia | 110 | 0 | 0 |
| Douglas, Ga. 30135 | P T Price | 100 | 0 | 0 |
| Ms. I.c.c. Hemmings | County of Dekalb | 56 | 0 | 0 |
| East Point, Ga. 30344 | Lithia Springs | 50 | 0 | 0 |
| Born Losers Motorcycle Club | County of Dekalb | 50 | 0 | 0 |
| Alterman Transport Lines | County of Dekalb | 40 | 0 | 0 |
| Intercostal Development Co | Cumming Georgia | 35 | 0 | 0 |
| Halfmoon Club No. 1 | County of Dekalb | 32 | 0 | 0 |
| Richmond Hill, Ga. 31324 | County of Dekalb | 32 | 0 | 0 |
| Half Moon Club 2 | County of Dekalb | 30 | 0 | 0 |
| Conyers, Ga. 30207 | County of Dekalb | 25 | 0 | 0 |