REGIONAL WATER AUTHORITY: EPA violation history, explained

REGIONAL WATER AUTHORITY's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. 418,900 people get their water from it, across 115,707 connections.

Ranked against every other system in this dataset

REGIONAL WATER AUTHORITY has 32 violations on record in total, 0 of thems health-based - ranking it 9,765th of 12,903 systems by violation count, the 24th percentile nationally.

How REGIONAL WATER AUTHORITY compares within CT

Among the 73 CT systems in this dataset, the average is 2.6 health-based violations - REGIONAL WATER AUTHORITY's 0 is at or below that. 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 REGIONAL WATER AUTHORITY is from 2022-06-12. Last reported to EPA: 06/29/2026.

What this data is and is not

This is what REGIONAL WATER AUTHORITY reported to its state primacy agency and EPA under the Safe Drinking Water Act - real regulatory record, not a lab test of your specific tap. This record - 0 health-based violations on file for REGIONAL WATER AUTHORITY - 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.