Backflow Assembly Testing in Seattle, WA
By Washington State law, backflow assemblies need to be tested once per calendar year by a certified tester, and staying current on this requirement protects both your water supply and your compliance status. Clearwater Leak Detection provides backflow assembly installation, testing, and repair for Seattle properties.
A Legal Requirement, Not Just a Recommendation
Since Washington State law specifically requires annual testing by a certified tester, keeping this on schedule isn’t optional for property owners with a backflow assembly on their water system.
What Our Backflow Service Includes
Our backflow assembly service typically covers:
- Certified annual testing as required by Washington State law
- Installation of new backflow prevention assemblies
- Repair of malfunctioning assemblies
- Documentation for code compliance records
- Reminders to help you stay current on required annual testing
Keeping You Compliant Year After Year
Our representative can install, test, and repair your backflow assembly, helping you stay compliant with the annual testing requirement without having to track the schedule yourself.
Frequently Asked Questions
By Washington State law, backflow assemblies need to be tested once per calendar year by a certified tester.
Do You Have a Leak? Let’s Find Out.
Need backflow testing in Seattle? Request an appointment today.

