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Water system · PWSID MA3157000

LINCOLN WATER DEPT

LINCOLN, MA · ~5,593 people served

Check your exact address → LINCOLN overview
75
Good
PurityRadar safety score

PWSID

MA3157000

State

Massachusetts

City

LINCOLN

Population served

5,593

Primary source

Surface water

Score history

▼ 25 points — the score moved from 100 to 75 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 75

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

PFOA

Perfluorooctanoic acid

4.9 ppt

limit 4 ppt

Above EPA limit · 1.2×

PFOS

Perfluorooctanesulfonic acid

4.6 ppt

limit 4 ppt

Above EPA limit · 1.1×

PFHxS

Perfluorohexanesulfonic acid

3.2 ppt

limit 10 ppt

Below EPA limit

Violations & enforcement

20

Violations on record

0

Unaddressed

3

Health-based

29

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Feb 2020. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Sep 2013 Resolved
Monitoring & reporting · Total coliform began Aug 2013 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2013 Resolved
Other · EPA contaminant 7000 began Jul 2013 Resolved
Monitoring & reporting · Total coliform began Jun 2013 Resolved
Monitoring & reporting · EPA contaminant 1085 began Jul 2011 Resolved
Monitoring & reporting · Cyanide began Jul 2011 Resolved
Monitoring & reporting · Fluoride began Jul 2011 Resolved
Monitoring & reporting · Arsenic began Jul 2011 Resolved
Monitoring & reporting · Selenium began Jul 2011 Resolved
Monitoring & reporting · Antimony began Jul 2011 Resolved
Monitoring & reporting · Barium began Jul 2011 Resolved

Recent enforcement actions

  • State action · SFO Feb 2020
  • State action · SFL Sep 2019
  • State action · SFL Apr 2019
  • State action · SFJ Sep 2018
  • State action · SOX Nov 2013
  • State action · SOX Nov 2013
  • State action · SFJ Oct 2013
  • State action · SFJ Sep 2013

This profile is built from EPA public records for system MA3157000 — 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.