PWSID
MA3163000
State
Massachusetts
City
LYNN
Population served
101,253
Primary source
Surface water
Score history
▼ 12 points — the score moved from 100 to 88 on Jun 18, 2026, as newly published EPA data was incorporated.
2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.
PFAS & contaminant readings
Latest detections from EPA’s UCMR5 monitoring (through Nov 2023). Levels in parts per trillion (ppt).
PFOA
Perfluorooctanoic acid
4.7 ppt
limit 4 ppt
PFBA
5.4 ppt
limit —
PFPeA
5.2 ppt
limit —
PFHxA
4.8 ppt
limit —
PFBS
3 ppt
limit —
Violations & enforcement
No violations are on record for this system in EPA’s SDWIS/ECHO data.
This profile is built from EPA public records for system MA3163000 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.