Is MO AMERICAN JOPLIN's water safe to drink?
MO AMERICAN JOPLIN has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 73,728 people get their water from it, across 26,709 connections.
How this compares nationally
MO AMERICAN JOPLIN has 2 violations on record in total, 1 of them health-based - ranking it 9,077th of 12,903 systems by violation count, the 30th percentile nationally.
How MO AMERICAN JOPLIN compares within MO
MO's 327 covered systems average 6.1 health-based violations each; MO AMERICAN JOPLIN carries 1, not more than typical for the state. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
The last violation EPA has on record for MO AMERICAN JOPLIN is from 2008-01-01 (health-based: 2008-01-01). Last reported to EPA: 06/16/2026.
What kind of problem, specifically
MO AMERICAN JOPLIN'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: Interim Enhanced Surface Water Treatment Rule
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
MO AMERICAN JOPLIN'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 - 1 health-based violation on file for MO AMERICAN JOPLIN - 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.