Newark, NJ: 20 Health Violations — 81/100 (2026)
20 ZIP codes · 2 water systems · Updated 2026-06-03
For households in Newark, NJ water data shows a consistently above-average safety picture.
How Newark Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Newark, NJ
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
How ZIP codes in Newark score across all safety grades.
What You Should Know About Newark Water
- Your city's water systems recorded 40 violations in the past 5 years.
- Average lead level: 0.0041 mg/L.
- Estimated remediation: $1,570 per household.
- CDC health risk index: 11.32.
Who Supplies Your Water in Newark
2 water systems are tracked federally in Newark, NJ. The top 2 providers collectively serve most residential addresses, but because they operate independently, infrastructure maintenance standards and compliance histories differ from one service zone to another.
Overview
We track water quality and home safety data for 20 ZIP codes in Newark, New Jersey, covering 2 community water systems serving approximately 307,360 people.
20 of 20 ZIP codes (100%) have recorded EPA violations. 20 health-based violations documented.
Home Safety Score
Average Home Safety Score for Newark: B (81/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Newark water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0041 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 20 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Technique | 42 | 20 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 07101 | B | 2 | 1 | Newark Water Department |
| 07102 | B | 2 | 1 | Newark Water Department |
| 07103 | B | 2 | 1 | Newark Water Department |
| 07104 | B | 2 | 1 | Newark Water Department |
| 07105 | B | 2 | 1 | Newark Water Department |
| 07106 | B | 2 | 1 | Newark Water Department |
| 07107 | B | 2 | 1 | Newark Water Department |
| 07108 | B | 2 | 1 | Newark Water Department |
| 07112 | B | 2 | 1 | Newark Water Department |
| 07114 | B | 2 | 1 | Newark Water Department |
All ZIP Codes in Newark
- 07101 [B] — 2 violations ⚠
- 07102 [B] — 2 violations ⚠
- 07103 [B] — 2 violations ⚠
- 07104 [B] — 2 violations ⚠
- 07105 [B] — 2 violations ⚠
- 07106 [B] — 2 violations ⚠
- 07107 [B] — 2 violations ⚠
- 07108 [B] — 2 violations ⚠
- 07112 [B] — 2 violations ⚠
- 07114 [B] — 2 violations ⚠
- 07175 [B] — 2 violations ⚠
- 07184 [B] — 2 violations ⚠
- 07188 [B] — 2 violations ⚠
- 07189 [B] — 2 violations ⚠
- 07191 [B] — 2 violations ⚠
- 07192 [B] — 2 violations ⚠
- 07193 [B] — 2 violations ⚠
- 07195 [B] — 2 violations ⚠
- 07198 [B] — 2 violations ⚠
- 07199 [B] — 2 violations ⚠
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Health Outcomes in Newark
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Top Contaminants in Newark Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Cost Context: What Remediation Means for Newark Homeowners
Setting Newark remediation figures against its property market, the resulting ratio sits comfortably in the low tier — a classification that reflects the kind of household financial position where most homeowners can identify documented issues, schedule the work, and absorb the cost without it registering as a significant budget disruption.
Remediation costs in Newark are relatively low compared to home values. The $748–$2,750 estimated range is a small fraction of median property value. Home values are 32% below the New Jersey average.
Lead Exposure Risk for Children in Newark
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Lead risk in Newark appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Newark
Flood exposure in Newark is meaningful by NFIP measures — 306 claims on record and 50% of ZIP codes carrying FEMA flood zone designations. That level of activity makes flood history a relevant factor when evaluating local water quality over time.
Newark has a moderate flood history with 306 FEMA claims averaging $33,049 per payout. 50% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,570</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Newark, NJ