Tap water in Mount Joy, PA — ZIP 17545
4 public water systems serving about 148,177 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 17545
City Of Lancaster
PWSID PA7360058 · serves 120,000 ·
surface water
1 health-based / 3 total violations (5 yrs)
· PFAS up to 28.8 ppt — above federal limit
Mt Joy Boro Auth
PWSID PA7360091 · serves 15,261 ·
surface water
0 health-based / 2 total violations (5 yrs)
· PFAS up to 3.3 ppt
Manheim Area Water & Sewer Aut
PWSID PA7360078 · serves 6,701 ·
surface water
0 health-based / 4 total violations (5 yrs)
· PFAS up to 12.8 ppt — above federal limit
East Petersburg Borough
PWSID PA7360135 · serves 6,215 ·
surface water
0 health-based / 1 total violations (5 yrs)
· PFAS up to 15.2 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