Tap water in North Hempstead (T), NY — ZIP 11040
3 public water systems serving about 181,000 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 11040
Wa Of Western Nassau
PWSID NY2902830 · serves 120,000 ·
groundwater
0 health-based / 0 total violations (5 yrs)
· PFAS up to 10 ppt — above federal limit
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
Garden City Park Wd
PWSID NY2902825 · serves 18,000 ·
groundwater
0 health-based / 0 total violations (5 yrs)
· PFAS up to 19 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