Shelbyville, IL Water Quality
What's in Shelbyville's water?
Shelbyville's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. 5,600 people get their water from it, across 3,520 connections.
How this compares nationally
Out of 12,903 systems in this dataset, Shelbyville ranks 11,180th by violation burden (13th percentile) - 5 violations total, 0 health-based.
How Shelbyville compares within IL
IL's 572 covered systems average 5.1 health-based violations each; Shelbyville 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
The last violation EPA has on record for Shelbyville is from 2025-02-07. Last reported to EPA: 05/27/2026.
What this data is and is not
This is what Shelbyville 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. This record - 0 health-based violations on file for Shelbyville - 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.