Kaukauna Utilities, WI Water Quality
Kaukauna Utilities: EPA violation history, explained
Kaukauna Utilities has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 17,493, over 6,478 connections.
How this compares nationally
15 total violations and 9 health-based ones put Kaukauna Utilities at the 83th percentile nationally for violation burden, rank 2,230 of 12,903.
How Kaukauna Utilities compares within WI
WI's 259 covered systems average 5.4 health-based violations each; Kaukauna Utilities carries 9, more than typical for the state. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for Kaukauna Utilities is from 2015-04-11 (health-based: 2010-01-08). Last reported to EPA: 05/29/2026.
What kind of problem, specifically
Kaukauna Utilities'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
This is what Kaukauna Utilities 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 - 9 health-based violations on file for Kaukauna Utilities - 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.