Tap water in Ottawa, IL — ZIP 61350
1 public water system serving about 18,097 people.
C
Fair
Water systems serving 61350
Ottawa
PWSID IL0990800 · serves 18,097 ·
groundwater
1 health-based / 10 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