North Carolina tap water by county
Hardness, PFAS sampling, lead and violations for the largest water systems in 4 North Carolina counties. In 3 of them, at least one large system detected PFAS in EPA testing (a detection isn't a violation).
| County | Largest system | Hardness | PFAS detected |
|---|---|---|---|
| Wake County | Raleigh, City of | 1.5 gpg (high) | 6 of 6 systems |
| Mecklenburg County | Charlotte Water | 1.9 gpg (high) | 2 of 2 systems |
| Guilford County | Greensboro, City of | 2.9 gpg (low) | 4 of 5 systems |
| Forsyth County | Winston-Salem, City of | 1.0 gpg (high) | 0 of 1 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.