WOODINVILLE WATER DISTRICT
Washington — Community Water System — PWSID: WA5341600
System Information
| PWSID | WA5341600 |
| System Name | WOODINVILLE WATER DISTRICT |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Feb 7, 1981 |
| Last Reported | Dec 11, 2025 |
Location & Contact
| State | Washington |
| City | Woodinville |
| ZIP Code | 98072 |
| Address | PO Box 1390 |
| Organization | WOODINVILLE WATER DISTRICT |
| Phone | — |
Population & Service
| Population Served | 59,873 |
| Service Connections | 18,503 |
Drinking Water Violations (5)
This water system has 5 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2015 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 14, 2015 | Consumer Confidence Rule |
| Jul 1, 2014 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 8, 2014 | Consumer Confidence Rule |
| Jul 1, 2013 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 13, 2013 | Consumer Confidence Rule |
| Jul 1, 2012 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 10, 2012 | Consumer Confidence Rule |
| Jul 1, 2011 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 23, 2011 | Consumer Confidence Rule |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.