Aqua Illinois-Vermilion County, IL Water Quality
What's in Aqua Illinois-Vermilion County's water?
Aqua Illinois-Vermilion County has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 30,106 people through 19,261 service connections.
Aqua Illinois-Vermilion County's record against the rest of the country
31 total violations and 24 health-based ones put Aqua Illinois-Vermilion County at the 94th percentile nationally for violation burden, rank 754 of 12,903.
How Aqua Illinois-Vermilion County compares within IL
Aqua Illinois-Vermilion County's 24 health-based violations sit above the IL average of 5.1, across 572 systems statewide. 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-Vermilion County is from 2023-01-04 (health-based: 2001-01-10). Last reported to EPA: 05/27/2026.
What kind of problem, specifically
Aqua Illinois-Vermilion County'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:
- Lead & copper - flagged from: Lead and Copper Rule
- Microbial contamination / treatment technique - flagged from: Coliform (TCR); Surface Water Treatment Rule
- Nitrate / nitrite - flagged from: Nitrate; Nitrate-Nitrite
The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.
What this data is and is not
This is what Aqua Illinois-Vermilion County 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. Between the utility's meter and Aqua Illinois-Vermilion County's customers' taps is household plumbing, invisible to a system-level record ranked 754th of 12,903 by violation count. The guide to what this data misses covers that gap.