AQUA NJ - HAMILTON SQUARE: EPA violation history, explained
AQUA NJ - HAMILTON SQUARE has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 39,128 people get their water from it, across 12,738 connections.
AQUA NJ - HAMILTON SQUARE's record against the rest of the country
50 total violations and 2 health-based ones put AQUA NJ - HAMILTON SQUARE at the 54th percentile nationally for violation burden, rank 5,917 of 12,903.
How AQUA NJ - HAMILTON SQUARE compares within NJ
NJ's 270 covered systems average 5.3 health-based violations each; AQUA NJ - HAMILTON SQUARE carries 2, not more than typical for the state. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
The last violation EPA has on record for AQUA NJ - HAMILTON SQUARE is from 2025-06-12 (health-based: 2006-01-07). Last reported to EPA: 06/30/2026.
What kind of problem, specifically
AQUA NJ - HAMILTON SQUARE's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:
- Microbial contamination / treatment technique - flagged from: Coliform (TCR)
- Radionuclides - flagged from: Combined Radium (-226 and -228)
The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.
What this data is and is not
AQUA NJ - HAMILTON SQUARE's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. This record - 2 health-based violations on file for AQUA NJ - HAMILTON SQUARE - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.