ONEIDA #1 OR SITE #1: EPA violation history, explained

ONEIDA #1 OR SITE #1's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. It serves 4,393 people through 676 service connections.

Ranked against every other system in this dataset

Out of 12,903 systems in this dataset, ONEIDA #1 OR SITE #1 ranks 9,772th by violation burden (24th percentile) - 32 violations total, 0 health-baseds.

How ONEIDA #1 OR SITE #1 compares within WI

Among the 202 WI systems in this dataset, the average is 3.6 health-based violations - ONEIDA #1 OR SITE #1's 0 is at or below that. See the lead and copper guide for why lead counts differently.

Most recent violation on record

The last violation EPA has on record for ONEIDA #1 OR SITE #1 is from 2024-01-01. Last reported to EPA: 06/30/2026.

What this data is and is not

This is what ONEIDA #1 OR SITE #1 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 ONEIDA #1 OR SITE #1 - 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.