ABERDEEN CITY OF: EPA violation history, explained
ABERDEEN 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: 22,867, over 7,350 connections.
Ranked against every other system in this dataset
ABERDEEN CITY OF has 12 violations on record in total, 5 of thems health-based - ranking it 3,702th of 12,903 systems by violation count, the 71th percentile nationally.
How ABERDEEN CITY OF compares within WA
ABERDEEN CITY OF's 5 health-based violations sit above the WA average of 3.7, across 322 systems statewide. 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 ABERDEEN CITY OF is from 2023-01-07 (health-based: 1993-01-08). Last reported to EPA: 06/19/2026.
What kind of problem, specifically
ABERDEEN 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); Surface Water Treatment Rule
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
Everything on this page is ABERDEEN CITY OF's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and ABERDEEN CITY OF's customers' taps is household plumbing, invisible to a system-level record ranked 3,702th of 12,903 by violation count. The guide to what this data misses covers that gap.