Public water system record
Woodinville Water District
Serves Cottage Lake, Woodinville, Union Hill-Novelty Hill and 1 more place, King County, WA · 66,699 people served
Federal records show no health-based violations and no monitoring or reporting issues for Woodinville Water District in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Woodinville Water District buys its water from Seattle Public Utilities.
- Record on file since 2011, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 14,831 service lines.
Check whether Woodinville Water District serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016, and no monitoring or reporting violations either.
Full record since 2011
EPA's records for Woodinville Water District go back to 2011. Before October 19, 2016 they list no health-based violations and 5 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2010 to October 18, 2016 | 0 | 5 |
Where the water comes from
Woodinville Water District buys its water from Seattle Public Utilities. EPA also lists 2 wells, all for emergency, seasonal or other part-time use. It also has emergency connections to Northshore Utility District, City of Bothell Water, City of Redmond Water System and Cross Valley Water District. 3 other public water systems have emergency connections to Woodinville Water District.
Buys water from
- Seattle Public Utilities Seattle, WA
Emergency or part-time connections to
- Northshore Utility District Kenmore, WA
- City of Bothell Water Bothell, WA
- City of Redmond Water System Redmond, WA
- Cross Valley Water District Snohomish, WA
Annual water quality report
Woodinville Water District must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Washington.
Certified drinking water labs by state EPA guidance for private wells