Tap water in Washington Navy Yard, DC — ZIP 20003
2 public water systems serving about 649,123 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 20003
D.c. Water And Sewer Authority
PWSID DC0000002 · serves 632,323 ·
surface water
0 health-based / 4 total violations (5 yrs)
· PFAS up to 4.7 ppt
Naval Station Washington - Wny
PWSID DC0000003 · serves 16,800 ·
surface water
3 health-based / 10 total violations (5 yrs)
· PFAS up to 4.3 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology