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Passaic County, NJ Water Quality

Water quality data for 12 public water systems serving Passaic County, New Jersey — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 12 water systems · 17 cities
⚠️
Caution Advised — Some Systems Need Attention

Some systems have elevated lead levels or active violations. Check your specific city below.

C

Passaic County Earns a C

Passaic County: 17 communities across 12 water systems. 100.0% have no open violations.

  • Median lead where detected: 2.40 ppb
  • 13 communities with a lead detection, 4 reporting none detected
  • 13 communities with PFAS above the federal limit
  • 1 with significant inspection deficiencies
  • 100.0% of communities have no open violations
2.4 ppb
Median Lead Level
County-wide, 90th percentile
12
Water Systems
Active CWS & NTNCWS
100%
Violation-Free
No active violations on record
How we grade counties: MyWaterIQ uses EPA SDWIS enforcement data — actual MCL violations and lead test results — not the aspirational MCLG targets used by some sites. A grade reflects real compliance history, not theoretical risk. Learn more →

Cities by Water Quality

⭐ Best Performing
  • Wayne
    Not detected
    No federal limits exceeded on record
    A
  • Pompton Lakes
    2.51 ppb
    No federal limits exceeded on record
    A
  • Hawthorne
    3.07 ppb
    1 health-based violation since 2015
    A
  • West Milford
    Not detected
    2 health-based violations since 2015
    B
  • Little Falls
    1.00 ppb
    PFAS above the limit at 1 of 2 sampling points
    B
⚠ Needs Attention
  • Ringwood
    1.70 ppb
    PFAS above the limit at 4 of 4 sampling points
    F
  • Wanaque
    6.81 ppb
    PFAS above the limit at 3 of 4 sampling points
    D
  • Haledon
    0.81 ppb
    PFAS above the limit at 1 of 1 sampling points
    D
  • North Haledon
    0.81 ppb
    PFAS above the limit at 1 of 1 sampling points
    D
  • Paterson
    2.40 ppb
    PFAS above the limit at 1 of 1 sampling points
    C
County Lead Level — Median 2.4 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 2.4 ppb — 16% of the federal action level
Systems by Lead Level
Under 5 ppb
12
5 – 10 ppb
1
No Data
4

All Cities in Passaic County

Paterson 2.40 ppb C
Clifton 2.40 ppb C
Passaic 2.40 ppb C
Wayne Not detected A
Hawthorne 3.07 ppb A
Little Falls 1.00 ppb B
Totowa 3.60 ppb B
Wanaque 6.81 ppb D
Woodland Park Not detected C
Ringwood 1.70 ppb F
Haledon 0.81 ppb D
Pompton Lakes 2.51 ppb A
Bloomingdale Not detected C
Prospect Park 2.40 ppb C
North Haledon 0.81 ppb D
West Milford Not detected B
Montclair State University 1.00 ppb B
Showing 17 cities
No active violations Active violations

About Passaic County Drinking Water

Passaic County is served by 12 water systems covering 17 communities. No community here has an open violation on record.

Of the communities reporting lead results, 13 recorded a detection, with a median of 2.40 ppb — 16% of the federal action level. 4 reported none detected, which means below the laboratory limit rather than an absence of lead.

13 of 17 communities have PFAS above the limits EPA set in 2024, measured as a running annual average at each sampling point. State inspectors recorded significant deficiencies at 1 of them.

Frequently Asked Questions

Is Passaic County tap water safe to drink?▼
No community in Passaic County has an open violation on record. 13 of 17 have PFAS above the federal limit, which is the main open concern.
What is the lead level in Passaic County?▼
Among communities with a detection the median is 2.40 ppb, 16% of the 15 ppb action level. 4 reported none detected and 0 reported no result.
How many water systems serve Passaic County?▼
12 community water systems serve 17 communities here.
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