Tap water in Abingdon, MD — ZIP 21001
2 public water systems serving about 122,573 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 21001
Harford County D.p.w.
PWSID MD0120016 · serves 104,567 ·
surface water
0 health-based / 3 total violations (5 yrs)
City Of Aberdeen
PWSID MD0120001 · serves 18,006 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 9.4 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