KING COUNTY WATER DISTRICT #54: EPA violation history, explained
KING COUNTY WATER DISTRICT #54 had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. 5,373 people get their water from it, across 2,215 connections.
Ranked against every other system in this dataset
Out of 12,903 systems in this dataset, KING COUNTY WATER DISTRICT #54 ranks 3,713th by violation burden (71th percentile) - 12 violations total, 5 health-baseds.
Against the WA average
KING COUNTY WATER DISTRICT #54's 5 health-based violations sit above the WA average of 3.7, across 322 systems statewide. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
KING COUNTY WATER DISTRICT #54's most recent violation on record is dated 2023-01-06, with the most recent health-based one dated 2023-01-06. Last reported to EPA: 06/19/2026.
The concern categories on record
KING COUNTY WATER DISTRICT #54'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); Revised Total Coliform 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 KING COUNTY WATER DISTRICT #54's record does not cover
This is what KING COUNTY WATER DISTRICT #54 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 12 logged violations can see. The guide to what this data misses covers that gap.