Is ALSIP's water safe to drink?
ALSIP has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 19,063 people get their water from it, across 5,546 connections.
How this compares nationally
Out of 12,903 systems in this dataset, ALSIP ranks 6,574th by violation burden (49th percentile) - 9 violations total, 2 health-baseds.
How ALSIP compares within IL
ALSIP'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 ALSIP is from 2024-01-07 (health-based: 1996-01-03). Last reported to EPA: 05/27/2026.
What kind of problem, specifically
ALSIP'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
ALSIP'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 - 2 health-based violations on file for ALSIP - 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.