HANSON WATER DEPARTMENT: EPA violation history, explained
HANSON WATER DEPARTMENT has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 9,612 people get their water from it, across 3,618 connections.
How this compares nationally
80 total violations and 7 health-based ones put HANSON WATER DEPARTMENT at the 80th percentile nationally for violation burden, rank 2,574 of 12,903.
How HANSON WATER DEPARTMENT compares within MA
HANSON WATER DEPARTMENT's 7 health-based violations sit above the MA average of 7.0, across 283 systems statewide. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for HANSON WATER DEPARTMENT is from 2011-01-03 (health-based: 2011-01-03). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
HANSON WATER DEPARTMENT'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 this data is and is not
Everything on this page is HANSON WATER DEPARTMENT's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 7 health-based violations on file for HANSON WATER DEPARTMENT - 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.