Is WRENTHAM WATER DIVISION's water safe to drink?
WRENTHAM WATER DIVISION has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 12,190 people get their water from it, across 4,037 connections.
Ranked against every other system in this dataset
Out of 12,903 systems in this dataset, WRENTHAM WATER DIVISION ranks 640th by violation burden (95th percentile) - 91 violations total, 27 health-baseds.
How WRENTHAM WATER DIVISION compares within MA
Among the 283 MA systems in this dataset, the average is 7.0 health-based violations - WRENTHAM WATER DIVISION's 27 is above that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for WRENTHAM WATER DIVISION is from 2015-01-10 (health-based: 2014-01-11). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
WRENTHAM WATER DIVISION'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 WRENTHAM WATER DIVISION's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 27 health-based violations on file for WRENTHAM WATER DIVISION - 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.