Dayton: EPA violation history, explained

Dayton's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. It serves 4,985 people through 3,322 service connections.

Dayton's record against the rest of the country

Out of 12,903 systems in this dataset, Dayton ranks 11,427th by violation burden (11th percentile) - 4 violations total, 0 health-baseds.

How Dayton compares within MN

Among the 254 MN systems in this dataset, the average is 0.8 health-based violations - Dayton's 0 is at or below that. 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 Dayton is from 2025-01-12. Last reported to EPA: 05/28/2026.

What this data is and is not

This is what Dayton 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. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 4 logged violations can see. The guide to what this data misses covers that gap.