HAMILTON, NJ · Mercer County
AQUA NJ - HAMILTON SQUARE Water System
Consumer Confidence Report status
AQUA NJ - HAMILTON SQUARE must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for AQUA NJ - HAMILTON SQUARE.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
- NJ1103001
- System type
- Community Water System
- Population served
- 39,128
- Service connections
- 12,738
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
AQUA NJ - HAMILTON SQUARE is one of 154 community water systems in New Jersey in the 10,001 to 100,000 people size category, serving 39,128 people from surface water.
As of August 1, 2026, its federal record holds 1 entry in 2024, all of which EPA lists as closed.
All 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Radionuclides and Revised Rad Rule.
Violation history
Monitoring, Regular
—Combined Uranium
January 1, 2024 – March 31, 2024
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2024 – March 31, 2024 | Monitoring, Regular | Combined Uranium | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is AQUA NJ - HAMILTON SQUARE required to publish a Consumer Confidence Report?
- Yes. AQUA NJ - HAMILTON SQUARE is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is AQUA NJ - HAMILTON SQUARE’s next Consumer Confidence Report due?
- AQUA NJ - HAMILTON SQUARE’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does AQUA NJ - HAMILTON SQUARE have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for AQUA NJ - HAMILTON SQUARE.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
VANIM, ALYSSA
609-618-3850
HAMILTON, NJ 08691