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Water system · PWSID NJ1911004

AQUA NJ - SUMMIT LAKE

HAMILTON, NJ · ~177 people served

Check your exact address → HAMILTON overview
100
Excellent
PurityRadar safety score

PWSID

NJ1911004

State

New Jersey

City

HAMILTON

Population served

177

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

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

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

21

Violations on record

0

Unaddressed

1

Health-based

26

Enforcement actions

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

Monitoring & reporting · Arsenic began Apr 2023 Resolved
Reporting · Lead & Copper Rule began May 2021 Resolved
Reporting · Lead & Copper Rule began Dec 2019 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Sep 2019 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Sep 2019 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2014 Resolved
Monitoring & reporting · EPA contaminant 1075 began Oct 2006 Resolved
Monitoring & reporting · Total coliform began Jul 2005 Resolved
Max contaminant level (MCL) · EPA contaminant 1075 health-based began Jan 2002 Resolved
Monitoring & reporting · Arsenic began Jan 1999 Resolved
Monitoring & reporting · Barium began Jan 1999 Resolved
Monitoring & reporting · Chromium (total) began Jan 1999 Resolved

Recent enforcement actions

  • State action · SFJ Aug 2023
  • State action · SOX Jul 2023
  • State action · SOX May 2023
  • State action · SOX May 2021
  • State action · SFJ May 2021
  • State action · SFJ Oct 2020
  • State action · SOX Aug 2020
  • State action · SOX Dec 2019

This profile is built from EPA public records for system NJ1911004 — 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.