Tap water in Oyster Bay (T), NY — ZIP 11803
2 public water systems serving about 67,000 people. PFAS "forever chemicals" have been detected here.
A
Excellent
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 11803
Plainview Wd
PWSID NY2902845 · serves 34,000 ·
groundwater
0 health-based / 0 total violations (5 yrs)
· PFAS up to 10.9 ppt
Bethpage Wd
PWSID NY2902817 · serves 33,000 ·
groundwater
0 health-based / 0 total violations (5 yrs)
· PFAS up to 9.3 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology