Il American-Dupage Utility, IL Water Quality
Is Il American-Dupage Utility's water safe to drink?
Il American-Dupage Utility has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 6,613, over 1,111 connections.
How this compares nationally
7 total violations and 3 health-based ones put Il American-Dupage Utility at the 58th percentile nationally for violation burden, rank 5,440 of 12,903.
Against the IL average
IL's 572 covered systems average 5.1 health-based violations each; Il American-Dupage Utility carries 3, not more than typical for the state. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
Il American-Dupage Utility's most recent violation on record is dated 2008-01-09, with the most recent health-based one dated 2007-01-07. Last reported to EPA: 05/27/2026.
The concern categories on record
Il American-Dupage Utility'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 Il American-Dupage Utility's record does not cover
Il American-Dupage Utility's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. This record - 3 health-based violations on file for Il American-Dupage Utility - 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.