COLE COUNTY PWSD 4: EPA violation history, explained
COLE COUNTY PWSD 4 has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 7,568 people through 1,377 service connections.
How this compares nationally
COLE COUNTY PWSD 4 has 15 violations on record in total, 11 of thems health-based - ranking it 1,835th of 12,903 systems by violation count, the 86th percentile nationally.
How COLE COUNTY PWSD 4 compares within MO
MO's 327 covered systems average 6.1 health-based violations each; COLE COUNTY PWSD 4 carries 11, more than typical for the state. 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 COLE COUNTY PWSD 4 is from 2025-01-12 (health-based: 2005-01-09). Last reported to EPA: 06/16/2026.
What kind of problem, specifically
COLE COUNTY PWSD 4'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)
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
Everything on this page is COLE COUNTY PWSD 4'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 COLE COUNTY PWSD 4's customers' taps is household plumbing, invisible to a system-level record ranked 1,835th of 12,903 by violation count. The guide to what this data misses covers that gap.