Tap Water Quality Report
Tap water quality in TRENTON CITY-1111, New Jersey
Tap water in TRENTON CITY-1111, New Jersey receives a grade of F (33/100) from TapWaterSafety.org. It's served by TRENTON WATER WORKS. The most significant water quality concerns are: PFAS contamination; Haloacetic acids (HAA9) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in TRENTON CITY-1111's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving TRENTON CITY-1111.
PFAS contamination
Severe concernPerfluorooctane sulfonate (PFOS), Perfluorooctanoic acid (PFOA) detected. PFAS are persistent chemicals linked to cancer and immune effects with no known safe exposure threshold.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 25.1 ppb, 419x above the EWG health guideline of 0.06 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 37.4 ppb, 374x above the EWG health guideline of 0.1 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 46.6 ppb, 311x above the EWG health guideline of 0.15 ppb.
EPA compliance record
Official U.S. EPA records for TRENTON WATER WORKS (system ID NJ1111001) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Lead and Copper Rule | Required treatment not met | 05/21/2020 | Open |
| Public Notice Rule and Revised PN Rule | Other (e.g. public notice) | 03/03/2018 | Open |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | Contaminant above the legal limit | 10/01/2024 | Open |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | Missed testing or reporting | 04/01/2023 | Open |
| Lead and Copper Rule | Missed testing or reporting | 01/01/2023 | Open |
| Revised Total Coliform Rule | Missed testing | 04/01/2023 | Open |
| Nitrate Rule | Missed testing or reporting | 01/01/2023 | Open |
| Surface Water Treatment Rule | Missed testing or reporting | 04/01/2023 | Open |
| Volatile Organic Chemicals | Missed testing or reporting | 01/01/2023 | Open |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Missed testing or reporting | 04/01/2023 | Open |
Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.
Recommended filters for TRENTON CITY-1111
Filters matched to the specific contaminants in TRENTON CITY-1111's water supply.
Filter certified for PFOA/PFOS (NSF/ANSI 53 or 58)
$180-$750Reverse osmosis and some carbon block filters reduce PFAS. Look for certification to NSF/ANSI 53 or 58 for PFOA/PFOS.
Carbon filter certified for VOCs (NSF/ANSI 53)
$180-$599Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
All contaminants detected in TRENTON CITY-1111's tap water
Every contaminant identified, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal. Why we show multiple standards →
| Contaminant | Detected | EWG US health-based |
EPA US legal |
EU DWD Europe |
WHO global |
CA PHG strictest US |
Tested sample year |
Status |
|---|---|---|---|---|---|---|---|---|
| Haloacetic acids (HAA9) Disinfection byproduct |
25.1 ppb | 0.06 | — | — | — | — | — | 419× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
37.4 ppb | 0.1 | 60.0 | 60 | — | — | — | 374× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
46.6 ppb | 0.15 | 80.0 | 100 | — | — | — | 311× over |
| Trichloroacetic acid Disinfection byproduct |
13.9 ppb | 0.1 | — | — | — | — | — | 139× over |
| Bromodichloromethane Disinfection byproduct |
7.75 ppb | 0.06 | — | — | — | — | — | 129× over |
| Dichloroacetic acid Disinfection byproduct |
19.5 ppb | 0.2 | — | — | — | — | — | 97× over |
| Chloroform Disinfection byproduct |
33.1 ppb | 0.4 | — | — | — | — | — | 83× over |
| Chromium (hexavalent) Heavy metal |
0.401 ppb | 0.02 | — | — | — | — | — | 20× over |
| Dibromochloromethane Disinfection byproduct |
1.26 ppb | 0.1 | — | — | — | — | — | 13× over |
| Nitrate Inorganic |
0.86 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 6.1× over |
| Nitrate and nitrite Inorganic |
0.86 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 6.1× over |
| Perfluorooctanoic acid (PFOA) PFAS |
0.448 ppt | 0.09 | 4.0 | 100 | 100 | 0.007 | — | 5.0× over |
| Perfluorooctane sulfonate (PFOS) PFAS |
0.718 ppt | 0.3 | 4.0 | 100 | 100 | 1 | — | 2.4× over |
| Chlorate Disinfection byproduct |
50.8 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Dibromoacetic acid Disinfection byproduct |
0.0069 ppb | 0.03 | — | — | — | — | — | Below guideline |
| 1,4-Dioxane Semi-volatile organic compound |
0.0466 ppb | 0.35 | — | — | 50 | 1 | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
1.72 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Barium Heavy metal |
20.7 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Manganese Heavy metal |
2.77 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Vanadium Other |
0.035 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.0764 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Chromium (total) Heavy metal |
2.3 ppb | — | 100.0 | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.683 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Phenanthrene Other |
0.01 ppb | — | — | — | — | — | — | Below guideline |
All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.
Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines, California OEHHA PHGs, EWG Tap Water Database.
Treatment plant contact info
For service issues, water quality concerns, or to request a Consumer Confidence Report from TRENTON WATER WORKS.