DrinkingWaterCheck

Watertown: EPA violation history, explained

Watertown's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. Population served: 4,550, over 1,616 connections.

How this compares nationally

7 total violations and 0 health-based ones put Watertown at the 16th percentile nationally for violation burden, rank 10,819 of 12,903.

How Watertown compares within MN

MN's 254 covered systems average 0.8 health-based violations each; Watertown carries 0, not more than typical for the state. 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 Watertown is from 2024-01-10. Last reported to EPA: 05/28/2026.

What this data is and is not

Everything on this page is Watertown's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 0 health-based violations on file for Watertown - 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.