What's in HOLMEN WATERWORKS's water?
HOLMEN WATERWORKS had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. 10,147 people get their water from it, across 2,113 connections.
Ranked against every other system in this dataset
HOLMEN WATERWORKS has 36 violations on record in total, 3 of thems health-based - ranking it 4,865th of 12,903 systems by violation count, the 62th percentile nationally.
Against the average
Among the 244 systems in this dataset, the average is 11.2 health-based violations - HOLMEN WATERWORKS's 3 is at or below that. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
HOLMEN WATERWORKS's most recent violation on record is dated 2025-05-10, with the most recent health-based one dated 2025-05-10. Last reported to EPA: 05/29/2026.
The concern categories on record
HOLMEN 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:
- Lead & copper - flagged from: LEAD AND COPPER RULE REVISIONS
- Microbial contamination / treatment technique - flagged from: Coliform (TCR); Groundwater Rule
The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.
What HOLMEN WATERWORKS's record does not cover
This is what HOLMEN 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. This record - 3 health-based violations on file for HOLMEN 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.