Tuba City Boarding School BIA: EPA violation history, explained
Tuba City Boarding School BIA has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 2,040, over 143 connections.
Ranked against every other system in this dataset
Tuba City Boarding School BIA has 38 violations on record in total, 1 of them health-based - ranking it 7,558th of 12,903 systems by violation count, the 41th percentile nationally.
How Tuba City Boarding School BIA compares within AZ
Among the 199 AZ systems in this dataset, the average is 8.2 health-based violations - Tuba City Boarding School BIA's 1 is at or below that. 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 Tuba City Boarding School BIA is from 2025-01-07 (health-based: 2004-01-10). Last reported to EPA: 06/23/2026.
What kind of problem, specifically
Tuba City Boarding School BIA'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
Tuba City Boarding School BIA'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. Between the utility's meter and Tuba City Boarding School BIA's customers' taps is household plumbing, invisible to a system-level record ranked 7,558th of 12,903 by violation count. The guide to what this data misses covers that gap.