HAMILTON PUBLIC WATER SYSTEM: EPA violation history, explained
HAMILTON PUBLIC WATER SYSTEM has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 62,447 people through 24,433 service connections.
How this compares nationally
17 total violations and 8 health-based ones put HAMILTON PUBLIC WATER SYSTEM at the 81th percentile nationally for violation burden, rank 2,446 of 12,903.
Against the OH average
OH's 394 covered systems average 5.5 health-based violations each; HAMILTON PUBLIC WATER SYSTEM carries 8, more than typical for the state. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
HAMILTON PUBLIC WATER SYSTEM's most recent violation on record is dated 2027-06-12, with the most recent health-based one dated 1997-01-09. Last reported to EPA: 05/15/2026.
The concern categories on record
HAMILTON PUBLIC WATER SYSTEM'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)
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 HAMILTON PUBLIC WATER SYSTEM's record does not cover
Everything on this page is HAMILTON PUBLIC WATER SYSTEM's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 8 health-based violations on file for HAMILTON PUBLIC WATER SYSTEM - 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.