What's in Columbia Valley Water District's water?

Columbia Valley Water District's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. Population served: 2,648, over 1,613 connections.

Ranked against every other system in this dataset

Out of 12,903 systems in this dataset, Columbia Valley Water District ranks 10,012th by violation burden (22th percentile) - 21 violations total, 0 health-baseds.

Against the WA average

Columbia Valley Water District's 0 health-based violations sit within 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

Columbia Valley Water District's most recent violation on record is dated 2016-01-07. Last reported to EPA: 06/19/2026.

What Columbia Valley Water District's record does not cover

This is what Columbia Valley 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. This record - 0 health-based violations on file for Columbia Valley Water District - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.