IL AMERICAN-ALTON: EPA violation history, explained
IL AMERICAN-ALTON has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 46,127 people get their water from it, across 18,416 connections.
Ranked against every other system in this dataset
Out of 12,903 systems in this dataset, IL AMERICAN-ALTON ranks 8,945th by violation burden (31th percentile) - 3 violations total, 1 health-based.
How IL AMERICAN-ALTON compares within IL
IL AMERICAN-ALTON's 1 health-based violations sit within the IL average of 5.0, across 560 systems statewide. 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 IL AMERICAN-ALTON is from 1999-01-06 (health-based: 1999-01-06). Last reported to EPA: 05/27/2026.
What kind of problem, specifically
IL AMERICAN-ALTON'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)
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 IL AMERICAN-ALTON's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 1 health-based violation on file for IL AMERICAN-ALTON - 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.