WALWORTH WATERWORKS: EPA violation history, explained
WALWORTH 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: 2,304, over 853 connections.
WALWORTH WATERWORKS's record against the rest of the country
21 total violations and 2 health-based ones put WALWORTH WATERWORKS at the 52th percentile nationally for violation burden, rank 6,212 of 12,903.
How WALWORTH WATERWORKS compares within WI
WI's 202 covered systems average 3.6 health-based violations each; WALWORTH WATERWORKS carries 2, 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 WALWORTH WATERWORKS is from 2024-01-10 (health-based: 2021-03-02). Last reported to EPA: 05/29/2026.
What kind of problem, specifically
WALWORTH 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:
- Microbial contamination / treatment technique - flagged from: Coliform (TCR); Groundwater Rule
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
Everything on this page is WALWORTH WATERWORKS's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 21 logged violations can see. The guide to what this data misses covers that gap.