WINSLOW CITY OF: EPA violation history, explained

WINSLOW CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 9,789 people through 3,267 service connections.

WINSLOW CITY OF's record against the rest of the country

Out of 12,903 systems in this dataset, WINSLOW CITY OF ranks 3,336th by violation burden (74th percentile) - 196 violations total, 5 health-baseds.

How WINSLOW CITY OF compares within AZ

Among the 199 AZ systems in this dataset, the average is 8.2 health-based violations - WINSLOW CITY OF's 5 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 WINSLOW CITY OF is from 2026-01-01 (health-based: 2010-01-08). Last reported to EPA: 05/14/2026.

What kind of problem, specifically

WINSLOW CITY OF'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

This is what WINSLOW CITY OF 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. This record - 5 health-based violations on file for WINSLOW CITY OF - 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.