Is MO AMERICAN TRI STATE's water safe to drink?
MO AMERICAN TRI STATE has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 8,680 people through 3,448 service connections.
MO AMERICAN TRI STATE's record against the rest of the country
6 total violations and 4 health-based ones put MO AMERICAN TRI STATE at the 65th percentile nationally for violation burden, rank 4,544 of 12,903.
Against the MO average
MO's 327 covered systems average 6.1 health-based violations each; MO AMERICAN TRI STATE 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
MO AMERICAN TRI STATE's most recent violation on record is dated 2003-01-11, with the most recent health-based one dated 2003-01-11. Last reported to EPA: 06/16/2026.
The concern categories on record
MO AMERICAN TRI STATE'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 MO AMERICAN TRI STATE's record does not cover
Everything on this page is MO AMERICAN TRI STATE's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 4 health-based violations on file for MO AMERICAN TRI STATE - 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.