CALUMET CITY: EPA violation history, explained
CALUMET CITY has at least one health-based violation EPA's ECHO database still lists as unaddressed - the required fix has not been reported complete. 37,000 people get their water from it, across 9,832 connections.
Ranked against every other system in this dataset
Out of 12,903 systems in this dataset, CALUMET CITY ranks 5,001th by violation burden (61th percentile) - 22 violations total, 3 health-baseds.
How CALUMET CITY compares within IL
IL's 560 covered systems average 5.0 health-based violations each; CALUMET CITY carries 3, 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 CALUMET CITY is from 2025-05-10 (health-based: 2025-05-10). Last reported to EPA: 05/27/2026.
What kind of problem, specifically
CALUMET CITY'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:
- Lead & copper - flagged from: LEAD AND COPPER RULE REVISIONS
- Microbial contamination / treatment technique - flagged from: Coliform (TCR); Revised Total Coliform Rule
The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.
What this data is and is not
This is what CALUMET CITY 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 CALUMET CITY's customers' taps is household plumbing, invisible to a system-level record ranked 5,001th of 12,903 by violation count. The guide to what this data misses covers that gap.