What's in KENNEWICK CITY OF's water?
KENNEWICK 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 118,164 people through 39,118 service connections.
KENNEWICK CITY OF's record against the rest of the country
KENNEWICK CITY OF has 7 violations on record in total, 1 of them health-based - ranking it 8,425th of 12,903 systems by violation count, the 35th percentile nationally.
Against the WA average
Among the 322 WA systems in this dataset, the average is 3.7 health-based violations - KENNEWICK CITY OF's 1 is at or below that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
KENNEWICK CITY OF's most recent violation on record is dated 2023-01-04, with the most recent health-based one dated 1993-01-08. Last reported to EPA: 06/19/2026.
The concern categories on record
KENNEWICK 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 KENNEWICK CITY OF's record does not cover
KENNEWICK 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 KENNEWICK CITY OF's customers' taps is household plumbing, invisible to a system-level record ranked 8,425th of 12,903 by violation count. The guide to what this data misses covers that gap.