States › New Jersey › Gloucester County

Gloucester County, NJ Water Quality

Water quality data for 23 public water systems serving Gloucester County, New Jersey — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 23 water systems · 26 cities
✅
Generally Safe — Most Systems Performing Well

The majority of water systems have no active violations and lead levels well below the federal action level.

B

Gloucester County Earns a B

Gloucester County: 26 communities across 23 water systems. 100.0% have no open violations.

  • Median lead where detected: 2.55 ppb
  • 10 communities with a lead detection, 16 reporting none detected
  • 6 communities with PFAS above the federal limit
  • 2 with significant inspection deficiencies
  • 100.0% of communities have no open violations
2.55 ppb
Median Lead Level
County-wide, 90th percentile
23
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
  • Deptford
    Not detected
    No federal limits exceeded on record
    A
  • Mantua
    Not detected
    No federal limits exceeded on record
    A
  • Harrison
    1.00 ppb
    No federal limits exceeded on record
    A
  • Woodbury
    Not detected
    No federal limits exceeded on record
    A
  • Pitman
    Not detected
    No federal limits exceeded on record
    A
⚠ Needs Attention
  • Westville
    Not detected
    PFAS above the limit at 1 of 1 sampling points
    D
  • East Greenwich
    4.00 ppb
    PFAS above the limit at 1 of 4 sampling points
    D
  • Glassboro
    Not detected
    PFAS above the limit at 1 of 5 sampling points
    C
  • Washington
    Not detected
    PFAS above the limit at 2 of 11 sampling points
    B
  • Clayton
    1.17 ppb
    PFAS above the limit at 1 of 2 sampling points
    B
County Lead Level — Median 2.55 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 2.55 ppb — 17% of the federal action level
Systems by Lead Level
Under 5 ppb
9
5 – 10 ppb
1
No Data
16

All Cities in Gloucester County

Washington Not detected B
Monroe 2.30 ppb A
Deptford Not detected A
Glassboro Not detected C
West Deptford 2.83 ppb A
Mantua Not detected A
Harrison 1.00 ppb A
East Greenwich 4.00 ppb D
Woodbury Not detected A
Clayton 1.17 ppb B
Pitman Not detected A
Woolwich Not detected A
Paulsboro 2.79 ppb A
Logan 3.00 ppb A
Greenwich Not detected A
Westville Not detected D
Woodbury Heights Not detected B
National Park Not detected B
Swedesboro Not detected B
Wenonah Not detected B
Richwood 1.00 ppb A
Newfield Not detected B
Grenloch Not detected B
Franklin Not detected B
Elk 0.57 ppb B
South Harrison 5.15 ppb B
Showing 26 cities
No active violations Active violations

About Gloucester County Drinking Water

Gloucester County is served by 23 water systems covering 26 communities. No community here has an open violation on record.

Of the communities reporting lead results, 10 recorded a detection, with a median of 2.55 ppb — 17% of the federal action level. 16 reported none detected, which means below the laboratory limit rather than an absence of lead.

6 of 26 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 2 of them.

Frequently Asked Questions

Is Gloucester County tap water safe to drink?▼
No community in Gloucester County has an open violation on record. 6 of 26 have PFAS above the federal limit, which is the main open concern.
What is the lead level in Gloucester County?▼
Among communities with a detection the median is 2.55 ppb, 17% of the 15 ppb action level. 16 reported none detected and 0 reported no result.
How many water systems serve Gloucester County?▼
23 community water systems serve 26 communities here.
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