Tap water in Hummelstown, PA — ZIP 17112
2 public water systems serving about 160,200 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 17112
Veolia Water
PWSID PA7220015 · serves 110,000 ·
surface water
0 health-based / 3 total violations (5 yrs)
· PFAS up to 5.4 ppt
Pa Amer Water Co
PWSID PA7220017 · serves 50,200 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 6.9 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