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Water system · PWSID MA4082000

DUXBURY WATER DEPARTMENT

19
Action needed
PurityRadar safety score

PWSID

MA4082000

State

Massachusetts

City

DUXBURY

Population served

16,387

Primary source

Groundwater

Score history

▼ 81 points — the score moved from 100 to 19 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 19

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 Jan 2025). Levels in parts per trillion (ppt).

PFOS

Perfluorooctanesulfonic acid

35 ppt

limit 4 ppt

Above EPA limit · 8.8×

PFHxS

Perfluorohexanesulfonic acid

28 ppt

limit 10 ppt

Above EPA limit · 2.8×

PFOA

Perfluorooctanoic acid

5.1 ppt

limit 4 ppt

Above EPA limit · 1.3×

PFPeA

40 ppt

limit —

No federal limit

PFHxA

28 ppt

limit —

No federal limit

PFBA

10 ppt

limit —

No federal limit

PFHpA

9.3 ppt

limit —

No federal limit

6:2 FTS

5.7 ppt

limit —

No federal limit

PFBS

3.4 ppt

limit —

No federal limit

PFHpS

3.1 ppt

limit —

No federal limit

Violations & enforcement

6

Violations on record

0

Unaddressed

4

Health-based

17

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2023. Official EPA record →

Other · EPA contaminant 7000 began Jul 2022 Resolved
Other · EPA contaminant 7000 began Jul 2021 Resolved
Max contaminant level (MCL) · Total coliform health-based began Nov 2011 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 1995 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 1995 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 1995 Resolved

Recent enforcement actions

  • State action · SFO Nov 2023
  • State action · SFL Aug 2022
  • State action · SOX Aug 2022
  • State action · SFL Feb 2022
  • State action · SOX Sep 2021
  • State action · SFL Aug 2021
  • State action · SFJ Jul 2021
  • State action · SFL Feb 2016

This profile is built from EPA public records for system MA4082000 — 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.