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Water system · PWSID ME0090870

LISBON WATER DEPARTMENT

LISBON, ME · ~6,643 people served

Check your exact address → LISBON overview
82
Good
PurityRadar safety score

PWSID

ME0090870

State

Maine

City

LISBON

Population served

6,643

Primary source

Groundwater

Score history

▼ 18 points — the score moved from 100 to 82 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 82

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 2024). Levels in parts per trillion (ppt).

PFOA

Perfluorooctanoic acid

4.1 ppt

limit 4 ppt

Above EPA limit · 1.0×

PFHxS

Perfluorohexanesulfonic acid

4.1 ppt

limit 10 ppt

Below EPA limit

Lithium

17,600 ppt

limit —

No federal limit

PFBS

9 ppt

limit —

No federal limit

PFHxA

4 ppt

limit —

No federal limit

PFPeA

3.3 ppt

limit —

No federal limit

Violations & enforcement

10

Violations on record

0

Unaddressed

2

Health-based

47

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jun 2025. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Mar 2024 Resolved
Monitoring · Lead & Copper Rule began Oct 2022 Resolved
Monitoring & reporting · EPA contaminant 2032 began Jan 2015 Resolved
Monitoring & reporting · EPA contaminant 2032 began Jan 2015 Resolved
Monitoring & reporting · EPA contaminant 2032 began Jan 2015 Resolved
Monitoring & reporting · EPA contaminant 2033 began Jan 2015 Resolved
Monitoring & reporting · EPA contaminant 2033 began Jan 2015 Resolved
Monitoring & reporting · EPA contaminant 2033 began Jan 2015 Resolved
Max contaminant level (MCL) · Arsenic health-based began Apr 2006 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jan 2000 Resolved

Recent enforcement actions

  • State action · SIF Jun 2025
  • State action · SFL Mar 2025
  • State action · SIF Oct 2024
  • State action · SIE Sep 2024
  • State action · SFJ Sep 2024
  • State action · SOX Jul 2024
  • State action · SIF Jun 2024
  • State action · SIF Jun 2024

This profile is built from EPA public records for system ME0090870 — 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.