Tap water in Ottawa, OH — ZIP 45817
2 public water systems serving about 8,475 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 45817
Ottawa Village
PWSID OH6900711 · serves 4,393 ·
surface water
4 health-based / 7 total violations (5 yrs)
· PFAS up to 90.4 ppt
Bluffton Village
PWSID OH0200112 · serves 4,082 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 140 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology