Madison Boro, 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
Madison Water Dept
- PWSID:
- NJ1417001
- Source:
- Ground water
- Serves:
- 15,820 people
EPA & DEP violations
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2025 · 11 months ago · Source ↗
TTHM — MR violation
medium severityResolvedTTHM MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2025 · 11 months ago · Source ↗
Total Haloacetic Acids (HAA5) — MR violation
medium severityResolvedTotal Haloacetic Acids (HAA5) MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2025 · 11 months ago · Source ↗
TTHM — MR violation
medium severityArchivedTTHM MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2025 · 1 year ago · Source ↗
Total Haloacetic Acids (HAA5) — MR violation
medium severityArchivedTotal Haloacetic Acids (HAA5) MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2025 · 1 year ago · Source ↗
E. COLI — MR violation
medium severityUnaddressedE. COLI MR violation (Unaddressed).
EPA SDWIS · MR · Began Aug 2, 2024 · 1 year ago · Source ↗
E. COLI — MR violation
medium severityUnaddressedE. COLI MR violation (Unaddressed).
EPA SDWIS · MR · Began Aug 16, 2023 · 2 years ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2020 · 5 years ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2019 · 6 years ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2016 · 9 years ago · Source ↗
E. COLI — MR violation
medium severityResolvedE. COLI MR violation (Resolved).
EPA SDWIS · MR · Began Jul 13, 2016 · 9 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2016 · 9 years ago · Source ↗
Coliform (TCR) — MCL violation
high severityHealth-basedResolvedColiform (TCR) MCL violation (Resolved).
EPA SDWIS · MCL · Began Aug 1, 2012 · 13 years ago · Source ↗
Violation — Violation violation
medium severityContaminant Violation violation.
EPA SDWIS · Violation · Began — · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.