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Water system · PWSID NJ1421003

MONTVILLE TWP MUA

MONTVILLE, NJ · ~22,000 people served

Check your exact address → MONTVILLE overview
61
Fair
PurityRadar safety score

PWSID

NJ1421003

State

New Jersey

City

MONTVILLE

Population served

22,000

Primary source

SWP

Score history

▼ 39 points — the score moved from 100 to 61 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 61

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

PFOS

Perfluorooctanesulfonic acid

5.9 ppt

limit 4 ppt

Above EPA limit · 1.5×

PFOA

Perfluorooctanoic acid

5.8 ppt

limit 4 ppt

Above EPA limit · 1.4×

PFHxS

Perfluorohexanesulfonic acid

3.1 ppt

limit 10 ppt

Below EPA limit

PFBA

5.2 ppt

limit —

No federal limit

PFHxA

4.6 ppt

limit —

No federal limit

PFBS

3.7 ppt

limit —

No federal limit

PFPeA

3.2 ppt

limit —

No federal limit

Violations & enforcement

29

Violations on record

0

Unaddressed

1

Health-based

47

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2024. Official EPA record →

Treatment technique · EPA contaminant 0200 health-based began Jul 2023 Resolved
Reporting · Lead & Copper Rule began Sep 2021 Resolved
Other · EPA contaminant 7000 began Jul 2018 Resolved
Monitoring & reporting · EPA contaminant 3014 began Feb 2018 Resolved
Monitoring & reporting · Lead & Copper Rule began Dec 2017 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2017 Resolved
Monitoring & reporting · EPA contaminant 0200 began Aug 2017 Resolved
Other · EPA contaminant 7000 began Jul 2015 Resolved
Monitoring & reporting · EPA contaminant 0200 began Jul 2015 Resolved
Other · EPA contaminant 7000 began Jul 2014 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2012 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2012 Resolved

Recent enforcement actions

  • State action · SOX Jan 2024
  • State action · SFJ Nov 2023
  • State action · SIE Nov 2021
  • State action · SFJ Nov 2021
  • State action · SOX Sep 2021
  • State action · SIF Jul 2019
  • State action · SIE May 2019
  • State action · SOX Nov 2018

This profile is built from EPA public records for system NJ1421003 — 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.