EAST MONTANA WATER SYSTEM: EPA violation history, explained
EAST MONTANA WATER SYSTEM has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 11,480 people get their water from it, across 3,313 connections.
How this compares nationally
EAST MONTANA WATER SYSTEM has 11 violations on record in total, 2 of thems health-based - ranking it 6,483th of 12,903 systems by violation count, the 50th percentile nationally.
How EAST MONTANA WATER SYSTEM compares within TX
EAST MONTANA WATER SYSTEM's 2 health-based violations sit within the TX average of 6.7, across 1,633 systems statewide. 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 EAST MONTANA WATER SYSTEM is from 2026-04-01 (health-based: 2004-01-12). Last reported to EPA: 06/26/2026.
What kind of problem, specifically
EAST MONTANA WATER SYSTEM'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
EAST MONTANA WATER SYSTEM'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. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 11 logged violations can see. The guide to what this data misses covers that gap.