We found 24 public water systems in Cobb county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Cobb County | Marietta | 533,000 | 25 | 3 |
| Marietta | Marietta | 60,100 | 24 | 3 |
| Smyrna | Smyrna | 35,000 | 30 | 3 |
| Powder Springs | Powder Springs | 14,000 | 33 | 11 |
| Kennesaw | County of Cobb | 11,445 | 0 | 0 |
| Austell | Austell | 7,774 | 0 | 7 |
| Acworth Water System | County of Cobb | 7,700 | 0 | 0 |
| Life Chiropractic Student Ctr. | County of Cobb | 1,400 | 0 | 0 |
| Fairway Villas | Acworth | 590 | 0 | 0 |
| Lakemont Campground | County of Cobb | 438 | 0 | 0 |
| Atlanta, Ga. 30320 | County of Cobb | 300 | 0 | 0 |
| WOODSTOCK TRAILER COURT | County of Cobb | 200 | 0 | 0 |
| Camp Pines Acres Scout | Acworth Georgia | 125 | 0 | 0 |
| Hidden Valley Estates | Cartersville Ge | 105 | 0 | 0 |
| Lynch Mobile Home Park | County of Cobb | 92 | 0 | 0 |
| D Zire Country Estates | County of Cobb | 88 | 0 | 0 |
| Poplar Valley Mobile Home Park | County of Cobb | 50 | 0 | 0 |
| Minute Man Rec. Area | County of Cobb | 50 | 0 | 0 |
| Pines Motel | Acworth | 41 | 0 | 0 |
| Cartersville Ge | 40 | 0 | 0 | |
| Haven Hill Flea Market | County of Cobb | 29 | 0 | 0 |
| Vulcan Materials Company | County of Cobb | 25 | 0 | 0 |
| Dunns Motor Inn (lakeshore) | County of Cobb | 17 | 0 | 0 |
| Cobb Co.-marietta Water Auth. | County of Cobb | 0 | 0 | 0 |