Is SUMNER CITY OF's water safe to drink?
SUMNER CITY OF's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. Population served: 16,438, over 5,436 connections.
How this compares nationally
SUMNER CITY OF has 84 violations on record in total, 0 of thems health-based - ranking it 9,439th of 12,903 systems by violation count, the 27th percentile nationally.
How SUMNER CITY OF compares within WA
Among the 322 WA systems in this dataset, the average is 3.7 health-based violations - SUMNER CITY OF's 0 is at or below that. 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 SUMNER CITY OF is from 2025-01-10. Last reported to EPA: 06/19/2026.
What this data is and is not
This is what SUMNER 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 84 logged violations can see. The guide to what this data misses covers that gap.