Saint Charles: EPA violation history, explained

Saint Charles's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. It serves 3,825 people through 1,647 service connections.

Ranked against every other system in this dataset

2 total violations and 0 health-based ones put Saint Charles at the 6th percentile nationally for violation burden, rank 12,099 of 12,903.

Against the MN average

Among the 254 MN systems in this dataset, the average is 0.8 health-based violations - Saint Charles's 0 is at or below that. The filter guide explains what a violation like this actually calls for.

Most recent violation on record

Saint Charles's most recent violation on record is dated 1991-01-03. Last reported to EPA: 05/28/2026.

What Saint Charles's record does not cover

Saint Charles's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. Between the utility's meter and Saint Charles's customers' taps is household plumbing, invisible to a system-level record ranked 12,099th of 12,903 by violation count. The guide to what this data misses covers that gap.