GREEN BAY WATERWORKS: EPA violation history, explained

GREEN BAY WATERWORKS's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. 107,369 people get their water from it, across 39,766 connections.

Ranked against every other system in this dataset

GREEN BAY WATERWORKS has 6 violations on record in total, 0 of thems health-based - ranking it 10,902th of 12,903 systems by violation count, the 16th percentile nationally.

How GREEN BAY WATERWORKS compares within WI

Among the 202 WI systems in this dataset, the average is 3.6 health-based violations - GREEN BAY WATERWORKS's 0 is at or below that. The clean-record guide covers what a comparison like this can hide.

Most recent violation on record

The last violation EPA has on record for GREEN BAY WATERWORKS is from 2016-01-07. Last reported to EPA: 05/29/2026.

What this data is and is not

GREEN BAY WATERWORKS'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 - 0 health-based violations on file for GREEN BAY WATERWORKS - 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.