WMATUA Miner Flat: EPA violation history, explained
WMATUA Miner Flat has at least one health-based violation EPA's ECHO database still lists as unaddressed - the required fix has not been reported complete. 15,570 people get their water from it, across 2,570 connections.
Ranked against every other system in this dataset
WMATUA Miner Flat has 219 violations on record in total, 14 of thems health-based - ranking it 1,290th of 12,903 systems by violation count, the 90th percentile nationally.
How WMATUA Miner Flat compares within AZ
WMATUA Miner Flat's 14 health-based violations sit above the AZ average of 8.2, across 199 systems statewide. 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 WMATUA Miner Flat is from 2026-03-09 (health-based: 2026-03-09). Last reported to EPA: 06/30/2026.
What kind of problem, specifically
WMATUA Miner Flat'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:
- Lead & copper - flagged from: LEAD AND COPPER RULE REVISIONS
- Microbial contamination / treatment technique - flagged from: Coliform (TCR); Groundwater Rule; Interim Enhanced Surface Water Treatment Rule
The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.
What this data is and is not
This is what WMATUA Miner Flat reported to its state primacy agency and EPA under the Safe Drinking Water Act - real regulatory record, not a lab test of your specific tap. Between the utility's meter and WMATUA Miner Flat's customers' taps is household plumbing, invisible to a system-level record ranked 1,290th of 12,903 by violation count. The guide to what this data misses covers that gap.