Cudahy Waterworks, WI Water Quality
What's in Cudahy Waterworks's water?
Cudahy Waterworks's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. 18,659 people get their water from it, across 6,910 connections.
How this compares nationally
Cudahy Waterworks has 36 violations on record in total, 0 of them health-based - ranking it 9,710th of 12,903 systems by violation count, the 25th percentile nationally.
How Cudahy Waterworks compares within WI
WI's 259 covered systems average 5.4 health-based violations each; Cudahy Waterworks 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 Cudahy Waterworks is from 2002-01-10. Last reported to EPA: 05/29/2026.
What this data is and is not
This is what Cudahy 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. Between the utility's meter and Cudahy Waterworks's customers' taps is household plumbing, invisible to a system-level record ranked 9,710th of 12,903 by violation count. The guide to what this data misses covers that gap.