Brookfield Water Utility, WI Water Quality
Brookfield Water Utility: EPA violation history, explained
Brookfield Water Utility had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. Population served: 29,070, over 10,766 connections.
Ranked against every other system in this dataset
174 total violations and 33 health-based ones put Brookfield Water Utility at the 96th percentile nationally for violation burden, rank 494 of 12,903.
How Brookfield Water Utility compares within WI
WI's 259 covered systems average 5.4 health-based violations each; Brookfield Water Utility carries 33, 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 Brookfield Water Utility is from 2026-05-03 (health-based: 2026-01-01). Last reported to EPA: 05/29/2026.
What kind of problem, specifically
Brookfield Water Utility'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)
- Radionuclides - flagged from: Combined Radium (-226 and -228); Gross Alpha, Excl. Radon and U
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
Brookfield Water Utility'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 - 33 health-based violations on file for Brookfield Water Utility - 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.