What's in GILLETTE, CITY OF's water?

GILLETTE, CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 32,222, over 10,637 connections.

Ranked against every other system in this dataset

GILLETTE, CITY OF has 5 violations on record in total, 1 of them health-based - ranking it 8,664th of 12,903 systems by violation count, the 33th percentile nationally.

How GILLETTE, CITY OF compares within WY

Among the 44 WY systems in this dataset, the average is 5.0 health-based violations - GILLETTE, CITY OF's 1 is at or below 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 GILLETTE, CITY OF is from 2023-01-10 (health-based: 1995-01-07). Last reported to EPA: 06/29/2026.

What kind of problem, specifically

GILLETTE, 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 GILLETTE, 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. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 5 logged violations can see. The guide to what this data misses covers that gap.