Tap water in Smithfield, NC — ZIP 28334
4 public water systems serving about 172,489 people. PFAS "forever chemicals" have been detected here.
C
Fair
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 28334
Harnett Regional Water
PWSID NC0343045 · serves 121,885 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 12.3 ppt — above federal limit
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
Sampson Co Wtr Dist Ii
PWSID NC0382070 · serves 12,895 ·
groundwater
0 health-based / 1 total violations (5 yrs)
Dunn, City Of
PWSID NC0343010 · serves 12,497 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 22.4 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