Glen Carbon, IL Water Quality
Is Glen Carbon's water safe to drink?
Glen Carbon's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. 12,618 people get their water from it, across 5,557 connections.
How this compares nationally
Out of 12,903 systems in this dataset, Glen Carbon ranks 10,252th by violation burden (21th percentile) - 13 violations total, 0 health-based.
Against the IL average
IL's 572 covered systems average 5.1 health-based violations each; Glen Carbon carries 0, not more than typical for the state. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
Glen Carbon's most recent violation on record is dated 2025-01-07. Last reported to EPA: 05/27/2026.
What Glen Carbon's record does not cover
Everything on this page is Glen Carbon's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 0 health-based violations on file for Glen Carbon - 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.