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Water system · PWSID NJ1103001

AQUA NJ - HAMILTON SQUARE

HAMILTON, NJ · ~39,128 people served

Check your exact address → HAMILTON overview
40
Action needed
PurityRadar safety score

PWSID

NJ1103001

State

New Jersey

City

HAMILTON

Population served

39,128

Primary source

SWP

Score history

▼ 60 points — the score moved from 100 to 40 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 40

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

PFOA

Perfluorooctanoic acid

12 ppt

limit 4 ppt

Above EPA limit · 2.9×

PFOS

Perfluorooctanesulfonic acid

6.4 ppt

limit 4 ppt

Above EPA limit · 1.6×

PFHxS

Perfluorohexanesulfonic acid

10 ppt

limit 10 ppt

Near EPA limit

Lithium

27,500 ppt

limit —

No federal limit

PFHxA

4.5 ppt

limit —

No federal limit

PFPeA

4.5 ppt

limit —

No federal limit

PFHpA

3.4 ppt

limit —

No federal limit

Violations & enforcement

42

Violations on record

2

Unaddressed

2

Health-based

34

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Dec 2023 Unaddressed
Monitoring & reporting · EPA contaminant 3014 began Oct 2023 Unaddressed
Monitoring & reporting · Combined radium-226/228 began Jul 2023 Resolved
Monitoring & reporting · EPA contaminant 4030 began Jul 2023 Resolved
Monitoring & reporting · Uranium began Jul 2023 Resolved
Monitoring & reporting · Gross alpha began Jul 2023 Resolved
Monitoring & reporting · EPA contaminant 4020 began Jul 2023 Resolved
Monitoring & reporting · Nitrate began Jan 2023 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 2021 Resolved
Reporting · Lead & Copper Rule began Dec 2019 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 2019 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2019 Resolved

Recent enforcement actions

  • State action · SOX May 2024
  • State action · SFJ Mar 2024
  • State action · SFJ Feb 2024
  • State action · SIE Feb 2024
  • State action · SFJ Jan 2024
  • State action · SIE Jan 2024
  • State action · SOX Jan 2024
  • State action · SIE Dec 2023

This profile is built from EPA public records for system NJ1103001 — 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.