Il American-Sterling, IL Water Quality
Is Il American-Sterling's water safe to drink?
Il American-Sterling has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 14,782, over 6,608 connections.
Ranked against every other system in this dataset
Il American-Sterling has 4 violations on record in total, 1 of them health-based - ranking it 8,833th of 12,903 systems by violation count, the 32th percentile nationally.
How Il American-Sterling compares within IL
IL's 572 covered systems average 5.1 health-based violations each; Il American-Sterling 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 Il American-Sterling is from 2000-01-07 (health-based: 1999-01-02). Last reported to EPA: 05/27/2026.
What kind of problem, specifically
Il American-Sterling'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-Sterling 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 4 logged violations can see. The guide to what this data misses covers that gap.