PlainWater

TRENTON WATER WORKS

PWS ID: NJ1111001 · TRENTON, New Jersey 08638

Population Served
217,000
Total Violations
412
Health-Based Violations
107
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
62,403
County
Mercer
School/Daycare
No
MCL Violations
64
Monitoring Violations
282
Treatment Tech Violations
43

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 67 2023
Revised Total Coliform Rule MON 57 2023
Lead and Copper Rule MR 44 2024
TTHM MCL 40 2024
Total Haloacetic Acids (HAA5) MCL 24 2018
Lead and Copper Rule TT 23 2021
Interim Enhanced Surface Water Treatment Rule MR 18 2023
Consumer Confidence Rule Other 9 2021
Surface Water Treatment Rule TT 8 2018
Coliform (TCR) MR 6 2014
CARBON, TOTAL TT 6 2010
Interim Enhanced Surface Water Treatment Rule TT 6 2021
CARBON, TOTAL MR 6 2002
Public Notice Other 5 2021
Fluoride MR 4 2021
Total Haloacetic Acids (HAA5) MR 3 2023
Xylenes, Total MR 3 2023
DICHLOROMETHANE MR 3 2023
o-Dichlorobenzene MR 3 2023
p-Dichlorobenzene MR 3 2023
Vinyl chloride MR 3 2023
1,2-Dichloroethane MR 3 2023
1,1,1-Trichloroethane MR 3 2023
1,1,2-Trichloroethane MR 3 2023
Tetrachloroethylene MR 3 2023
CHLOROBENZENE MR 3 2023
Benzene MR 3 2023
Toluene MR 3 2023
Ethylbenzene MR 3 2023
Styrene MR 3 2023

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
NMeFOSAA 7/31/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 7/31/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 7/31/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 7/31/2023 <0.008 µg/L 0.008 µg/L Not Detected
lithium 7/31/2023 <9 µg/L 9 µg/L Not Detected
NEtFOSAA 4/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 4/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 4/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 4/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 4/19/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 4/19/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 4/19/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 4/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 4/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 4/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 4/19/2023 <0.008 µg/L 0.008 µg/L Not Detected
NMeFOSAA 4/19/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 4/19/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFHpS 4/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 4/19/2023 <0.002 µg/L 0.002 µg/L Not Detected
lithium 4/19/2023 <9 µg/L 9 µg/L Not Detected
8:2 FTS 4/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 4/19/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 4/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 4/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 4/19/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFMPA 4/19/2023 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 4/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 4/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 4/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 4/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 4/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 4/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 4/19/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFPeA 4/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 10/31/2023 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 10/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 10/31/2023 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 10/31/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 10/31/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 10/31/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 10/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 10/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 10/31/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 10/31/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 10/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 10/31/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 10/31/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 10/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 10/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.