Aqua Illinois-Willowbrook, IL Water Quality
Is Aqua Illinois-Willowbrook's water safe to drink?
Aqua Illinois-Willowbrook's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. It serves 5,100 people through 1,700 service connections.
Aqua Illinois-Willowbrook's record against the rest of the country
5 total violations and 0 health-based ones put Aqua Illinois-Willowbrook at the 13th percentile nationally for violation burden, rank 11,191 of 12,903.
Against the IL average
Aqua Illinois-Willowbrook's 0 health-based violations sit within the IL average of 5.1, across 572 systems statewide. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
Aqua Illinois-Willowbrook's most recent violation on record is dated 2020-01-07. Last reported to EPA: 05/27/2026.
What Aqua Illinois-Willowbrook's record does not cover
This is what Aqua Illinois-Willowbrook 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 5 logged violations can see. The guide to what this data misses covers that gap.