Tap water in Mechanicsburg, PA — ZIP 17105
2 public water systems serving about 171,667 people. PFAS "forever chemicals" have been detected here.
D
Poor
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 17105
Pa American Water Co West
PWSID PA7210029 · serves 105,127 ·
surface water
0 health-based / 2 total violations (5 yrs)
· PFAS up to 10.4 ppt — above federal limit
Capital Region Water
PWSID PA7220049 · serves 66,540 ·
surface water
0 health-based / 2 total violations (5 yrs)
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology