CHELAN WATER DEPT CITY OF: EPA violation history, explained
CHELAN WATER DEPT 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 9,425 people through 2,738 service connections.
CHELAN WATER DEPT CITY OF's record against the rest of the country
CHELAN WATER DEPT CITY OF has 101 violations on record in total, 1 of them health-based - ranking it 7,246th of 12,903 systems by violation count, the 44th percentile nationally.
Against the WA average
Among the 322 WA systems in this dataset, the average is 3.7 health-based violations - CHELAN WATER DEPT 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
CHELAN WATER DEPT CITY OF's most recent violation on record is dated 2023-01-10, with the most recent health-based one dated 1992-01-01. Last reported to EPA: 06/19/2026.
The concern categories on record
CHELAN WATER DEPT 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: 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 CHELAN WATER DEPT CITY OF's record does not cover
This is what CHELAN WATER DEPT 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 101 logged violations can see. The guide to what this data misses covers that gap.