CHENEY CITY OF: EPA violation history, explained

CHENEY 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 16,954 people through 5,773 service connections.

Ranked against every other system in this dataset

CHENEY CITY OF has 16 violations on record in total, 1 of them health-based - ranking it 7,931th of 12,903 systems by violation count, the 39th percentile nationally.

How CHENEY CITY OF compares within WA

WA's 322 covered systems average 3.7 health-based violations each; CHENEY CITY OF carries 1, not more than typical for the state. 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 CHENEY CITY OF is from 2025-01-01 (health-based: 1992-01-02). Last reported to EPA: 06/19/2026.

What kind of problem, specifically

CHENEY 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

CHENEY CITY OF'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 CHENEY CITY OF's customers' taps is household plumbing, invisible to a system-level record ranked 7,931th of 12,903 by violation count. The guide to what this data misses covers that gap.