SOUTH LYON, CITY OF: EPA violation history, explained

SOUTH LYON, CITY OF's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. Population served: 11,055, over 3,454 connections.

How this compares nationally

Out of 12,903 systems in this dataset, SOUTH LYON, CITY OF ranks 11,973th by violation burden (7th percentile) - 2 violations total, 0 health-baseds.

How SOUTH LYON, CITY OF compares within MI

SOUTH LYON, CITY OF's 0 health-based violations sit within the MI average of 1.3, across 390 systems statewide. The clean-record guide covers what a comparison like this can hide.

Most recent violation on record

The last violation EPA has on record for SOUTH LYON, CITY OF is from 2008-01-01. Last reported to EPA: 06/23/2026.

What this data is and is not

SOUTH LYON, CITY OF'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. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 2 logged violations can see. The guide to what this data misses covers that gap.