THOMAS HILL PWSD 1: EPA violation history, explained

THOMAS HILL PWSD 1's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. Population served: 11,250, over 4,500 connections.

Ranked against every other system in this dataset

Out of 12,903 systems in this dataset, THOMAS HILL PWSD 1 ranks 10,537th by violation burden (18th percentile) - 9 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 - THOMAS HILL PWSD 1's 0 is at or below that. See the lead and copper guide for why lead counts differently.

Most recent violation on record

THOMAS HILL PWSD 1's most recent violation on record is dated 2025-05-10. Last reported to EPA: 06/16/2026.

What THOMAS HILL PWSD 1's record does not cover

THOMAS HILL PWSD 1'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 9 logged violations can see. The guide to what this data misses covers that gap.