What's in WOODINVILLE WATER DISTRICT's water?

WOODINVILLE WATER DISTRICT's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. It serves 66,699 people through 19,154 service connections.

WOODINVILLE WATER DISTRICT's record against the rest of the country

5 total violations and 0 health-based ones put WOODINVILLE WATER DISTRICT at the 14th percentile nationally for violation burden, rank 11,091 of 12,903.

Against the WA average

Among the 322 WA systems in this dataset, the average is 3.7 health-based violations - WOODINVILLE WATER DISTRICT's 0 is at or below that. The filter guide explains what a violation like this actually calls for.

Most recent violation on record

WOODINVILLE WATER DISTRICT's most recent violation on record is dated 2015-01-07. Last reported to EPA: 06/19/2026.

What WOODINVILLE WATER DISTRICT's record does not cover

This is what WOODINVILLE WATER DISTRICT 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 5 logged violations can see. The guide to what this data misses covers that gap.