Public water system record
City of Duvall
Serves an area of King County, WA that includes Duvall · 11,050 people served
Federal records show no health-based violations and no monitoring or reporting issues for City of Duvall 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
- City of Duvall buys its water from Seattle Public Utilities.
- Record on file since 2014, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 6 unknown out of 3,246 service lines.
Check whether City of Duvall 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 2014
EPA's records for City of Duvall go back to 2014. Before October 19, 2016 they list no health-based violations and 6 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2010 to October 18, 2016 | 0 | 6 |
Where the water comes from
City of Duvall buys its water from Seattle Public Utilities. It lists no wells or intakes of its own.
Buys water from
- Seattle Public Utilities Seattle, WA
Annual water quality report
City of Duvall 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