💧 ZIP Water Report

Tap water in Johnstown, PA — ZIP 15905

2 public water systems serving about 57,300 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 15905

Greater Johnstown Wa Riverside
PWSID PA4110034 · serves 49,500 · surface water
0 health-based / 47 total violations (5 yrs)
B
Conemaugh Twp Muni Auth
PWSID PA4560048 · serves 7,800 · surface water
0 health-based / 92 total violations (5 yrs) · PFAS up to 13.2 ppt
C

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