RAY COUNTY PWSD 1: EPA violation history, explained
RAY COUNTY PWSD 1 has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 2,490 people through 991 service connections.
RAY COUNTY PWSD 1's record against the rest of the country
Out of 12,903 systems in this dataset, RAY COUNTY PWSD 1 ranks 6,897th by violation burden (47th percentile) - 5 violations total, 2 health-baseds.
How RAY COUNTY PWSD 1 compares within MO
RAY COUNTY PWSD 1's 2 health-based violations sit within the MO average of 6.1, across 327 systems statewide. 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 RAY COUNTY PWSD 1 is from 2025-02-07 (health-based: 2018-01-10). Last reported to EPA: 06/16/2026.
What kind of problem, specifically
RAY COUNTY PWSD 1's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:
- Microbial contamination / treatment technique - flagged from: Coliform (TCR)
- Disinfection byproducts - flagged from: TTHM
The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.
What this data is and is not
RAY COUNTY 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. Between the utility's meter and RAY COUNTY PWSD 1's customers' taps is household plumbing, invisible to a system-level record ranked 6,897th of 12,903 by violation count. The guide to what this data misses covers that gap.