AQUA ILLINOIS-HAWTHORN WOODS: EPA violation history, explained
AQUA ILLINOIS-HAWTHORN WOODS had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. It serves 3,065 people through 1,226 service connections.
How this compares nationally
20 total violations and 1 health-based ones put AQUA ILLINOIS-HAWTHORN WOODS at the 39th percentile nationally for violation burden, rank 7,840 of 12,903.
How AQUA ILLINOIS-HAWTHORN WOODS compares within IL
Among the 560 IL systems in this dataset, the average is 5.0 health-based violations - AQUA ILLINOIS-HAWTHORN WOODS's 1 is at or below that. 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 AQUA ILLINOIS-HAWTHORN WOODS is from 2026-02-06 (health-based: 2025-01-04). Last reported to EPA: 05/27/2026.
What kind of problem, specifically
AQUA ILLINOIS-HAWTHORN WOODS'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)
The most severe category on record is radionuclides, which points toward a reverse osmosis-class filter if you want to address it directly.
What this data is and is not
AQUA ILLINOIS-HAWTHORN WOODS'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. Between the utility's meter and AQUA ILLINOIS-HAWTHORN WOODS's customers' taps is household plumbing, invisible to a system-level record ranked 7,840th of 12,903 by violation count. The guide to what this data misses covers that gap.