💧 ZIP Water Report

Tap water in Johnstown, PA — ZIP 15901

1 public water system serving about 49,500 people.

B
Good

Water systems serving 15901

Greater Johnstown Wa Riverside
PWSID PA4110034 · serves 49,500 · surface water
0 health-based / 47 total violations (5 yrs)
B

Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology