Washington water providers — page 25

Find published drinking-water records, providers, and official agency resources for Washington. Review sources, sample dates, and coverage.

Official drinking-water resources

• Washington State Department of Health - Office of Drinking Water
• Washington Division of Environmental Health Office of Drinking Water Sentry Internet Database

The responsible agency may differ for tribal systems. Record availability and sample dates vary by provider.

Community systems appear first. Sort: Population served · A–Z

Public water systems

4,691 systems in the imported directory. Includes community systems, schools, workplaces, and other public systems.