Hamilton Twp., NJ
Contamination score
Higher = more contaminated vs. other cities.
Reported illness & cancer claims
No claims reported yet. Be the first to add one.
Claims are aggregated from public records and community reports and may be unverified. If you believe your illness is linked to local water, request a consultation.
Self-reported issues
No issues reported yet. Be the first to report one.

Public water systems
Hamilton Township Mua
- PWSID:
- NJ0112001
- Source:
- Ground water
- Serves:
- 21,720 people
Aqua Nj - Hamilton Square
- PWSID:
- NJ1103001
- Source:
- Surface water
- Serves:
- 39,128 people
Black Horse Manor
- PWSID:
- NJ0112002
- Source:
- Ground water
- Serves:
- 74 people
EPA & DEP violations
Revised Total Coliform Rule — RPT violation
medium severityResolvedRevised Total Coliform Rule RPT violation (Resolved).
EPA SDWIS · RPT · Began Apr 11, 2025 · 1 year ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Dec 30, 2024 · 1 year ago · Source ↗
Lead and Copper Rule — MR violation
medium severityArchivedLead and Copper Rule MR violation (Archived).
EPA SDWIS · MR · Began Jul 1, 2024 · 1 year ago · Source ↗
Gross Alpha, Excl. Radon and U — MR violation
medium severityArchivedGross Alpha, Excl. Radon and U MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Radium-226 — MR violation
medium severityArchivedRadium-226 MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Combined Radium (-226 and -228) — MR violation
medium severityArchivedCombined Radium (-226 and -228) MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Radium-228 — MR violation
medium severityArchivedRadium-228 MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Combined Uranium — MR violation
medium severityArchivedCombined Uranium MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Lead and Copper Rule — MR violation
medium severityUnaddressedLead and Copper Rule MR violation (Unaddressed).
EPA SDWIS · MR · Began Dec 30, 2023 · 2 years ago · Source ↗
E. COLI — MR violation
medium severityUnaddressedE. COLI MR violation (Unaddressed).
EPA SDWIS · MR · Began Oct 3, 2023 · 2 years ago · Source ↗
Gross Alpha, Excl. Radon and U — MR violation
medium severityResolvedGross Alpha, Excl. Radon and U MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2023 · 2 years ago · Source ↗
Combined Uranium — MR violation
medium severityResolvedCombined Uranium MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2023 · 2 years ago · Source ↗
Radium-226 — MR violation
medium severityResolvedRadium-226 MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2023 · 2 years ago · Source ↗
Lead and Copper Rule — MR violation
medium severityArchivedLead and Copper Rule MR violation (Archived).
EPA SDWIS · MR · Began Jul 1, 2023 · 2 years ago · Source ↗
Combined Radium (-226 and -228) — MR violation
medium severityResolvedCombined Radium (-226 and -228) MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2023 · 2 years ago · Source ↗
Radium-228 — MR violation
medium severityResolvedRadium-228 MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2023 · 2 years ago · Source ↗
Nitrate — MR violation
medium severityResolvedNitrate MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2022 · 4 years ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2022 · 4 years ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2022 · 4 years ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.