CHANNAHON: EPA violation history, explained
CHANNAHON has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 13,380, over 3,736 connections.
CHANNAHON's record against the rest of the country
Out of 12,903 systems in this dataset, CHANNAHON ranks 1,167th by violation burden (91th percentile) - 25 violations total, 16 health-baseds.
Against the IL average
IL's 560 covered systems average 5.0 health-based violations each; CHANNAHON carries 16, more than typical for the state. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
CHANNAHON's most recent violation on record is dated 2023-01-07, with the most recent health-based one dated 2005-01-04. Last reported to EPA: 05/27/2026.
The concern categories on record
CHANNAHON'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:
- Radionuclides - flagged from: Combined Radium (-226 and -228); Gross Alpha, Excl. Radon and U
The most severe category on record is radionuclides, which points toward a reverse osmosis-class filter if you want to address it directly.
What CHANNAHON's record does not cover
This is what CHANNAHON 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 - 16 health-based violations on file for CHANNAHON - 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.