Tap water in North Hempstead (T), NY — ZIP 11030
2 public water systems serving about 77,000 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 11030
Manhasset Lakeville Wd
PWSID NY2902836 · serves 43,000 ·
groundwater
0 health-based / 0 total violations (5 yrs)
· PFAS up to 19 ppt — above federal limit
Port Washington Wd
PWSID NY2912267 · serves 34,000 ·
groundwater
0 health-based / 0 total violations (5 yrs)
· PFAS up to 6.9 ppt — above federal limit
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology