TRENTON, NJ · Mercer County
TRENTON WATER WORKS Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace New Jersey’s official records. Always confirm current status with New Jersey before making decisions based on this information.
System facts
- System ID (PWSID)
- NJ1111001
- System type
- Community Water System
- Population served
- 217,000
- Service connections
- 62,403
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Monitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
June 1, 2023 – June 30, 2023
ArchivedWater Quality Parameter M/R
—Lead and Copper Rule
January 1, 2017 – May 30, 2017
ResolvedMonitoring, Regular
—BHC-GAMMA
June 24, 1981 – June 23, 1984
ArchivedMonitoring, Regular
—2,4,5-TP
June 24, 1981 – June 23, 1984
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 1980 – June 30, 1984
Archived
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| June 1, 2023 – June 30, 2023 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Archived |
| January 1, 2017 – May 30, 2017 | Water Quality Parameter M/R | Lead and Copper Rule | — | Resolved |
| June 24, 1981 – June 23, 1984 | Monitoring, Regular | BHC-GAMMA | — | Archived |
| June 24, 1981 – June 23, 1984 | Monitoring, Regular | 2,4,5-TP | — | Archived |
| July 1, 1980 – June 30, 1984 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
- December 5, 2024State Formal Notice of Violation issued77 linked violations
- March 13, 2024State Public Notification requested179 linked violations
- January 30, 2020State Formal Notice of Violation issued38 linked violations
- September 11, 2018State Formal Notice of Violation issued101 linked violations
- May 1, 2017State Compliance achieved54 linked violations
Contact
SEMPLE, SEAN
609-433-4749
TRENTON, NJ 08638