Tap water in Smithfield, NC — ZIP 27557
2 public water systems serving about 32,887 people. PFAS "forever chemicals" have been detected here.
F
Failing
PFAS detected: at least one system serving this ZIP reported PFAS in EPA UCMR 5
testing. Levels and the 2024 federal limits are shown per system below.
Water systems serving 27557
Johnston Co-East
PWSID NC4051018 · serves 25,212 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 14.4 ppt — above federal limit
Central Nash Water & Sewer
PWSID NC4064005 · serves 7,675 ·
surface water
0 health-based / 5 total violations (5 yrs)
· PFAS up to 10.2 ppt — above federal limit
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology