DrinkingWaterCheck

MONDOVI WATERWORKS: EPA violation history, explained

MONDOVI WATERWORKS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 2,667, over 1,130 connections.

How this compares nationally

MONDOVI WATERWORKS has 11 violations on record in total, 3 of thems health-based - ranking it 5,253th of 12,903 systems by violation count, the 59th percentile nationally.

How MONDOVI WATERWORKS compares within WI

MONDOVI WATERWORKS's 3 health-based violations sit within the WI average of 3.6, across 202 systems statewide. See the lead and copper guide for why lead counts differently.

Most recent violation on record

The last violation EPA has on record for MONDOVI WATERWORKS is from 2024-01-01 (health-based: 2021-02-11). Last reported to EPA: 05/29/2026.

What kind of problem, specifically

MONDOVI 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:

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 MONDOVI 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 MONDOVI WATERWORKS's customers' taps is household plumbing, invisible to a system-level record ranked 5,253th of 12,903 by violation count. The guide to what this data misses covers that gap.