Tap water in Hempstead (T), NY — ZIP 11003
2 public water systems serving about 140,000 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 11003
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
Franklin Square Wd
PWSID NY2902822 · serves 20,000 ·
groundwater
0 health-based / 28 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