Seattle backflow test report: where it goes, the deadline, and how to file it
Where Seattle Public Utilities takes the backflow test report, by when, and how to file it, from its own bylaw, form and pages. Checked 2026-09-26.
- Where the report goes
- The tester enters the report in SPU's SAMS Tester Portal; the old report inbox closed on 17 August 2026.
- Source: Seattle Public Utilities, Regulatory Database Updates
- The deadline
- Proof of a passing test within 30 days of SPU's original notice — after that SPU charges $105 per backflow preventer
- “Reminder letters to customers who do not provide acceptable proof of satisfactory performance test of their backflow preventers within 30 days of receiving original notification”
- Source: SPU Director's Rule FIN-220.1, Customer Charges (effective 24 January 2025)
- How often the assembly is tested
- Annually.
- Source: SPU Director's Rule FIN-220.1, Customer Charges (effective 24 January 2025)
Other cities: backflow test reports by city.