💧 ZIP Water Report

Tap water in Ontario, OR — ZIP 97914

1 public water system serving about 14,465 people.

B
Good

Water systems serving 97914

Ontario, City Of
PWSID OR4100587 · serves 14,465 · surface water
0 health-based / 7 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