MONTICELLO: EPA violation history, explained

MONTICELLO's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. 5,548 people get their water from it, across 2,860 connections.

MONTICELLO's record against the rest of the country

2 total violations and 0 health-based ones put MONTICELLO at the 7th percentile nationally for violation burden, rank 12,053 of 12,903.

Against the IL average

Among the 560 IL systems in this dataset, the average is 5.0 health-based violations - MONTICELLO's 0 is at or below that. See the lead and copper guide for why lead counts differently.

Most recent violation on record

MONTICELLO's most recent violation on record is dated 1979-06-06. Last reported to EPA: 05/27/2026.

What MONTICELLO's record does not cover

Everything on this page is MONTICELLO's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and MONTICELLO's customers' taps is household plumbing, invisible to a system-level record ranked 12,053th of 12,903 by violation count. The guide to what this data misses covers that gap.