Trenton Water Works

ZipCheckup's reading of EPA SDWIS for Trenton Water Works (NJ1111001): 4 past health-based violations, since resolved. Even though Trenton Water Works accumulated 91 violations over five years, all have been formally resolved - the provider currently meets EPA standards for 217,000 people.

Data: EPA SDWIS

System Overview

Trenton Water Works (EPA ID: NJ1111001) is a community water system in New Jersey that serves approximately 217,000 people from surface water sources.

This system provides water to 17 ZIP codes across 6 communities.

ZIP-Area Home Safety Context: D (43/100)

This is the average Home Safety Score for 12 of 17 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.

Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.

Violation History

Status breakdown for accepted records with record years 2021-2026: 71 resolved, 20 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.

Recent Violations

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Health Risk Details

Haloacetic Acids (HAA5) (EPA limit: 0.06 mg/L)

Cancer risk; reproductive & developmental effects At-risk groups: pregnant women, infants, long-term consumers of chlorinated municipal water.

Removal methods: granular activated carbon (GAC), carbon block filter, reverse osmosis. Find the right filter →

Lead & Copper

EPA Lead and Copper Rule evidence attributed directly to this water system:

No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.

Radon Risk in Service Area

Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

ZIP Codes Served

Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by NJ or modeled from parcel and building-footprint data.

• 08501 - Allentown
• 08534 - Pennington
• 08540 - Princeton
• 08560 - Titusville
• 08608 - Trenton
• 08609 - Trenton
• 08610 - Trenton
• 08611 - Trenton
• 08618 - Trenton
• 08619 - Trenton
• 08620 - Trenton
• 08628 - Trenton
• 08629 - Trenton
• 08638 - Trenton
• 08648 - Lawrence Township
• 08690 - Trenton
• 08691 - Trenton

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Trenton Water Works (NJ1111001) on EPA.gov.

Frequently Asked Questions

Is Trenton Water Works water safe to drink?

The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Trenton Water Works; its 91 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.

How many people does Trenton Water Works serve?

Trenton Water Works serves approximately 217,000 people across 17 ZIP codes in New Jersey.

Where does Trenton Water Works get its water?

The primary water source is surface water.

@misc{zipcheckup-water-system-nj1111001,
  author = {{ZipCheckup}},
  title  = {{Trenton Water Works (NJ): 4 Health Violations}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/nj1111001/}
}