TRENTON WATER WORKS
PWSID: NJ1111001 · Trenton, NJ · Serves 217,000 people
TRENTON WATER WORKS has 23 health-based violations out of 23 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
TRENTON WATER WORKS (PWSID NJ1111001) is a cws water system drawing from a surface water source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 217,000 people in Trenton, NJ, and is subject to primacy enforcement by the New Jersey drinking-water program.
The system's federal compliance record contains 23 total violations, with 23 classified as health-based (MCL exceedances or treatment-technique failures). 5 distinct contaminants have been cited, including Combined Radium 226/228, Total Trihalomethanes (TTHM), Haloacetic Acids (HAA5). Recorded violations span 2017–2024.
A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the New Jersey state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- NJ1111001
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Trenton, NJ
- Population Served
- 217,000
- Health Violations
- Yes (23)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Combined Radium 226/228 | 8 | 8 |
| Total Trihalomethanes (TTHM) | 7 | 7 |
| Haloacetic Acids (HAA5) | 4 | 4 |
| Turbidity | 2 | 2 |
| Arsenic | 2 | 2 |
Violation History (23)
| Contaminant | Health | Date |
|---|---|---|
| Total Trihalomethanes (TTHM) | Yes | Oct 1, 2024 |
| Total Trihalomethanes (TTHM) | Yes | Oct 1, 2024 |
| Total Trihalomethanes (TTHM) | Yes | Oct 1, 2024 |
| Total Trihalomethanes (TTHM) | Yes | Jul 1, 2021 |
| Turbidity | Yes | Jul 1, 2021 |
| Combined Radium 226/228 | Yes | Jan 1, 2021 |
| Combined Radium 226/228 | Yes | May 21, 2020 |
| Combined Radium 226/228 | Yes | Jul 1, 2019 |
| Combined Radium 226/228 | Yes | Jan 11, 2019 |
| Total Trihalomethanes (TTHM) | Yes | Oct 1, 2018 |
| Combined Radium 226/228 | Yes | Aug 1, 2018 |
| Combined Radium 226/228 | Yes | Jul 1, 2018 |
| Combined Radium 226/228 | Yes | Jul 1, 2018 |
| Total Trihalomethanes (TTHM) | Yes | Jul 1, 2018 |
| Haloacetic Acids (HAA5) | Yes | Jul 1, 2018 |
| Haloacetic Acids (HAA5) | Yes | Apr 1, 2018 |
| Arsenic | Yes | Jan 1, 2018 |
| Combined Radium 226/228 | Yes | Jan 1, 2018 |
| Total Trihalomethanes (TTHM) | Yes | Jan 1, 2018 |
| Haloacetic Acids (HAA5) | Yes | Jan 1, 2018 |
| Turbidity | Yes | Oct 1, 2017 |
| Haloacetic Acids (HAA5) | Yes | Oct 1, 2017 |
| Arsenic | Yes | Jun 1, 2017 |
Frequently Asked Questions
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About This Data
Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.