JOHNSON COUNTY PWSD 1: EPA violation history, explained

JOHNSON COUNTY PWSD 1's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. 3,730 people get their water from it, across 1,679 connections.

How this compares nationally

Out of 12,903 systems in this dataset, JOHNSON COUNTY PWSD 1 ranks 11,459th by violation burden (11th percentile) - 4 violations total, 0 health-baseds.

Against the MO average

Among the 327 MO systems in this dataset, the average is 6.1 health-based violations - JOHNSON COUNTY PWSD 1's 0 is at or below that. The clean-record guide covers what a comparison like this can hide.

Most recent violation on record

JOHNSON COUNTY PWSD 1's most recent violation on record is dated 2025-02-07. Last reported to EPA: 06/16/2026.

What JOHNSON COUNTY PWSD 1's record does not cover

Everything on this page is JOHNSON COUNTY PWSD 1'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 JOHNSON COUNTY PWSD 1's customers' taps is household plumbing, invisible to a system-level record ranked 11,459th of 12,903 by violation count. The guide to what this data misses covers that gap.