SUDBURY WATER DISTRICT
Sudbury, MA · 18,416 served
SUDBURY WATER DISTRICT serves 18,416 people in Sudbury, MA. It has 1 health-based violation in the last 5 years. TapGraded gives this system a D.
Score breakdown
Health-based violations (5y)
1
Monitoring violations (5y)
1
Currently unaddressed
0
Overall score
63/100
Violation history (last 5 years)
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Lead (Lead and Copper Rule)
EPA's current lead action level is 15 ppb (dropping to 10 ppb in 2027 under the Lead and Copper Rule Improvements).
PFAS (UCMR5 occurrence data)
System details
- System type
- Community water system
- Water source
- Ground water
- Ownership
- Local government
- Service connections
- 6,288
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Is Sudbury, MA tap water safe to drink?
SUDBURY WATER DISTRICT has 1 health-based violation in the last 5 years. TapGraded gives this system a D.
Does SUDBURY WATER DISTRICT have lead in its water?
The most recent 90th-percentile lead sample is 3.5 ppb, versus the EPA action level of 15 ppb.
Has PFAS been detected in SUDBURY WATER DISTRICT's water?
Yes — PFAS was detected at or above the EPA MCL for 1 of the tracked analytes.
Source: EPA SDWIS/ECHO · Data as of 2026Q2