Carpentersville, IL Water Quality
Carpentersville: EPA violation history, explained
Carpentersville's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. It serves 37,983 people through 10,908 service connections.
Carpentersville's record against the rest of the country
Out of 12,903 systems in this dataset, Carpentersville ranks 11,573th by violation burden (10th percentile) - 3 violations total, 0 health-based.
How Carpentersville compares within IL
Carpentersville'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
The last violation EPA has on record for Carpentersville is from 2018-01-07. Last reported to EPA: 05/27/2026.
What this data is and is not
This is what Carpentersville 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 Carpentersville's customers' taps is household plumbing, invisible to a system-level record ranked 11,573th of 12,903 by violation count. The guide to what this data misses covers that gap.