South Carolina tap water by county
Hardness, PFAS sampling, lead and violations for the largest water systems in 5 South Carolina counties. In 4 of them, at least one large system detected PFAS in EPA testing (a detection isn't a violation).
| County | Largest system | Hardness | PFAS detected |
|---|---|---|---|
| Greenville County | Greenville Water (Sc2310001) | 0.8 gpg (low) | 0 of 3 systems |
| Charleston County | Charleston Water System (Sc1010001) | 4.9 gpg (low) | 6 of 6 systems |
| Richland County | Columbia City of (Sc4010001) | 0.9 gpg (low) | 2 of 2 systems |
| Horry County | Grand Strand W&Sa/Bull Creek | 1.5 gpg (low) | 5 of 6 systems |
| Spartanburg County | Spartanburg Water System (Sc4210001) | 0.9 gpg (low) | 1 of 6 systems |
Public-record figures, not a test of your tap. Not 100% accurate or guaranteed. Confirm with a water test, your utility or a qualified pro before you buy or act.
Hardness confidence: high = utility report; low = county estimate of untreated local water. Don't see your county? Use the water quality lookup.