NORWICH PUBLIC UTILITIES: EPA violation history, explained

NORWICH PUBLIC UTILITIES has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 36,163 people through 12,846 service connections.

NORWICH PUBLIC UTILITIES's record against the rest of the country

29 total violations and 13 health-based ones put NORWICH PUBLIC UTILITIES at the 89th percentile nationally for violation burden, rank 1,461 of 12,903.

How NORWICH PUBLIC UTILITIES compares within CT

NORWICH PUBLIC UTILITIES's 13 health-based violations sit above the CT average of 2.6, across 73 systems statewide. 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 NORWICH PUBLIC UTILITIES is from 2020-01-07 (health-based: 2018-01-07). Last reported to EPA: 06/29/2026.

What kind of problem, specifically

NORWICH PUBLIC UTILITIES'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:

• Disinfection byproducts - flagged from: TTHM; Total Haloacetic Acids (HAA5)

The most severe category on record is disinfection byproducts, which points toward a carbon-class filter if you want to address it directly.

What this data is and is not

NORWICH PUBLIC UTILITIES'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 - 13 health-based violations on file for NORWICH PUBLIC UTILITIES - 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.