EAST CHICAGO WATER WORKS: EPA violation history, explained
EAST CHICAGO WATER WORKS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 26,370, over 7,000 connections.
How this compares nationally
Out of 12,903 systems in this dataset, EAST CHICAGO WATER WORKS ranks 7,390th by violation burden (43th percentile) - 59 violations total, 1 health-based.
How EAST CHICAGO WATER WORKS compares within IN
IN's 283 covered systems average 2.9 health-based violations each; EAST CHICAGO WATER WORKS carries 1, 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 EAST CHICAGO WATER WORKS is from 2025-01-09 (health-based: 2015-01-06). Last reported to EPA: 06/30/2026.
What kind of problem, specifically
EAST CHICAGO WATER WORKS'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: Interim Enhanced Surface Water Treatment 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
This is what EAST CHICAGO WATER WORKS 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 - 1 health-based violation on file for EAST CHICAGO WATER WORKS - 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.