EPCOR - TUBAC: EPA violation history, explained
EPCOR - TUBAC has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 2,076, over 716 connections.
Ranked against every other system in this dataset
EPCOR - TUBAC has 118 violations on record in total, 31 of thems health-based - ranking it 538th of 12,903 systems by violation count, the 96th percentile nationally.
How EPCOR - TUBAC compares within AZ
Among the 199 AZ systems in this dataset, the average is 8.2 health-based violations - EPCOR - TUBAC's 31 is above that. 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 EPCOR - TUBAC is from 2021-01-10 (health-based: 2009-01-10). Last reported to EPA: 05/14/2026.
What kind of problem, specifically
EPCOR - TUBAC'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)
- Other regulated metals - flagged from: Arsenic; Fluoride
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
EPCOR - TUBAC'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 EPCOR - TUBAC's customers' taps is household plumbing, invisible to a system-level record ranked 538th of 12,903 by violation count. The guide to what this data misses covers that gap.