Is BROWN DEER WATERWORKS's water safe to drink?
BROWN DEER WATERWORKS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 12,741 people get their water from it, across 4,718 connections.
How this compares nationally
23 total violations and 5 health-based ones put BROWN DEER WATERWORKS at the 72th percentile nationally for violation burden, rank 3,560 of 12,903.
Against the WI average
BROWN DEER WATERWORKS's 5 health-based violations sit above the WI average of 3.6, across 202 systems statewide. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
BROWN DEER WATERWORKS's most recent violation on record is dated 2020-01-08, with the most recent health-based one dated 2011-01-09. Last reported to EPA: 05/29/2026.
The concern categories on record
BROWN DEER WATERWORKS'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)
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 BROWN DEER WATERWORKS's record does not cover
This is what BROWN DEER WATERWORKS 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. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 23 logged violations can see. The guide to what this data misses covers that gap.