Summit, NJ: 4 Violations — 64/100 (2026)
2 ZIP codes · 2 water systems · Updated 2026-06-03
For most households in Summit, NJ tap water is adequate — the middle-tier grade reflects gaps in specific service areas.
How Summit Compares
Data: EPA SDWIS Last verified: 2026-06-03
Summit Water: The Quick Version
- Your city's water systems recorded 4 violations in the past 5 years.
- Average lead level: 0.0096 mg/L.
- Estimated remediation: $1,300 per household.
- CDC health risk index: 11.22.
Water Systems Serving Summit
Multiple utilities divide Summit, NJ's water service — 2 leading providers among 2 on the federal register.
Overview
We track water quality and home safety data for 2 ZIP codes in Summit, New Jersey (population ~24,502), covering 2 community water systems serving approximately 217,330 people region-wide.
2 of 2 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Summit: C (64/100)
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
Summit water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0096 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): 2 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 |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting | 6 | 2 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 07901 | C | 2 | 0 | NJ AMERICAN WATER - SHORT HILLS |
| 07902 | C | 2 | 0 | Malaga Villa Apartments |
All ZIP Codes in Summit
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.
CDC Health Data for Summit
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
Key Contaminants Detected in Summit
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Summit: Remediation Cost in Perspective
While no remediation project is entirely without cost, the relationship between estimated remediation and property values in Summit is notably favorable — the equity share is small enough that the household financial perspective is one of proportionality rather than pressure, and most homeowners can treat it as routine planning rather than a significant financial event.
Remediation costs in Summit are relatively low compared to home values. The $600–$2,100 estimated range is a small fraction of median property value. Home values are 98% above the New Jersey average.
Protecting Children from Lead in Summit
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 Summit 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.
Climate-Related Water Risk for Summit
113 FEMA flood insurance claims are on file for Summit, and 50% of local ZIP codes fall within federally designated flood zones — enough to put flood exposure on the planning radar, though short of the concentrated-risk threshold where treatment-system vulnerability becomes a primary consideration.
Summit has a moderate flood history with 113 FEMA claims averaging $9,190 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>$1,300</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.
What You Can Do in Summit
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. Filters rated for Consumer Confidence Report Rule can reduce the most common contaminant found in Summit's water.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
Deep Dive Reports
Detailed analysis for Summit, NJ