What's in BOONE COUNTY PWSD 4's water?
BOONE 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. Population served: 6,455, over 3,117 connections.
How this compares nationally
BOONE COUNTY PWSD 4 has 5 violations on record in total, 2 of thems health-based - ranking it 6,866th of 12,903 systems by violation count, the 47th percentile nationally.
How BOONE COUNTY PWSD 4 compares within MO
MO's 327 covered systems average 6.1 health-based violations each; BOONE COUNTY PWSD 4 carries 2, not 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 BOONE COUNTY PWSD 4 is from 2013-01-07 (health-based: 2002-01-01). Last reported to EPA: 06/16/2026.
What kind of problem, specifically
BOONE 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 BOONE COUNTY PWSD 4's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 5 logged violations can see. The guide to what this data misses covers that gap.