Is WAUKESHA WATER UTILITY's water safe to drink?
WAUKESHA 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: 70,718, over 26,192 connections.
Ranked against every other system in this dataset
WAUKESHA WATER UTILITY has 382 violations on record in total, 317 of thems health-based - ranking it 4th of 12,903 systems by violation count, the 100th percentile nationally.
How WAUKESHA WATER UTILITY compares within
Among the 244 systems in this dataset, the average is 11.2 health-based violations - WAUKESHA WATER UTILITY's 317 is above that. 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 WAUKESHA WATER UTILITY is from 2025-05-09 (health-based: 2023-01-10). Last reported to EPA: 05/29/2026.
What kind of problem, specifically
WAUKESHA 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:
- Radionuclides - flagged from: Combined Radium (-226 and -228); Gross Alpha, Excl. Radon and U
The most severe category on record is radionuclides, which points toward a reverse osmosis-class filter if you want to address it directly.
What this data is and is not
WAUKESHA 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. Between the utility's meter and WAUKESHA WATER UTILITY's customers' taps is household plumbing, invisible to a system-level record ranked 4th of 12,903 by violation count. The guide to what this data misses covers that gap.