Is IL AMERICAN-WEST SUBURBAN's water safe to drink?
IL AMERICAN-WEST SUBURBAN has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 73,978, over 22,569 connections.
IL AMERICAN-WEST SUBURBAN's record against the rest of the country
IL AMERICAN-WEST SUBURBAN has 6 violations on record in total, 2 of thems health-based - ranking it 6,754th of 12,903 systems by violation count, the 48th percentile nationally.
How IL AMERICAN-WEST SUBURBAN compares within IL
IL AMERICAN-WEST SUBURBAN's 2 health-based violations sit within the IL average of 5.0, across 560 systems statewide. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
The last violation EPA has on record for IL AMERICAN-WEST SUBURBAN is from 2007-01-07 (health-based: 2007-01-07). Last reported to EPA: 05/27/2026.
What kind of problem, specifically
IL AMERICAN-WEST SUBURBAN'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
This is what IL AMERICAN-WEST SUBURBAN 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. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 6 logged violations can see. The guide to what this data misses covers that gap.