Tap water in Sudbury, MA — ZIP 01776
2 public water systems serving about 29,162 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 01776
Sudbury Water District
PWSID MA3288000 · serves 18,416 ·
groundwater
0 health-based / 2 total violations (5 yrs)
· PFAS up to 9 ppt — above federal limit
Maynard Dpw, Water Division
PWSID MA2174000 · serves 10,746 ·
groundwater
2 health-based / 5 total violations (5 yrs)
· PFAS up to 7.1 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