What's in BATES COUNTY PWSD 4's water?
BATES COUNTY PWSD 4 had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. 2,348 people get their water from it, across 947 connections.
Ranked against every other system in this dataset
BATES COUNTY PWSD 4 has 8 violations on record in total, 4 of thems health-based - ranking it 4,486th of 12,903 systems by violation count, the 65th percentile nationally.
How BATES COUNTY PWSD 4 compares within MO
MO's 327 covered systems average 6.1 health-based violations each; BATES COUNTY PWSD 4 carries 4, not more than typical for the state. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for BATES COUNTY PWSD 4 is from 2025-03-07 (health-based: 2025-01-01). Last reported to EPA: 06/16/2026.
What kind of problem, specifically
BATES 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)
- 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
BATES COUNTY PWSD 4'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. This record - 4 health-based violations on file for BATES COUNTY PWSD 4 - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.