Backflow Testing & Compliance — Issaquah, WA Serving properties across Washington

Northwest Clear coordinates certified backflow assembly testing for Issaquah properties, including residential assemblies, HOAs, commercial buildings, and irrigation systems. The City of Issaquah assigns each property with a backflow assembly an account number and a yearly due date — reminder letters are mailed monthly for assemblies coming due. Compliance records are organized by property address in your portal.

Schedule Backflow Test

Coverage

Issaquah is within Eastside coverage. Appointment timing depends on tester routing and availability.

Nearby areas: Sammamish, Bellevue, Renton, Snoqualmie.

What you get

Scheduling coordination with certified backflow assembly testers
Appointment window and access instructions captured during booking
Status tracking by property address in one portal
Report delivery when available for your records

Compliance

The City of Issaquah requires annual backflow testing under WAC 246-290-490 and Issaquah Municipal Code 13.13. Since January 2023, all test reports must be submitted through the Tokay WebTest online platform — the city no longer accepts reports by mail, fax, or email. Your certified tester must be registered with Issaquah's Tokay portal before submitting results. If annual testing is not completed by your due date, the city is authorized to terminate water service. Most Issaquah reports are due in May and June. For program details and the city's tester list, visit issaquahwa.gov/479/Backflow.

City of Issaquah — Backflow Program Details ↗

FAQ

How does Issaquah handle test report submissions?

Since January 2023, all reports must be submitted through the Tokay WebTest online portal. The city no longer accepts mail, fax, or email submissions. Testers must register with the city at backflowreports@issaquahwa.gov to get portal access.

When are most Issaquah backflow tests due?

Each property is assigned a specific due date. Most Issaquah reports are due in May and June, though testing happens year-round.

What happens if I don't test on time?

The City of Issaquah is authorized to terminate water service under IMC 13.13 and WAC 246-290-490 if annual testing is not completed.

Does the city send reminders?

Yes — Issaquah mails reminder letters each month for assemblies coming due, along with your account information and a list of local certified testers.

Do you perform the test yourselves?

We coordinate scheduling with certified backflow assembly testers who are registered with Issaquah's Tokay WebTest portal.

Schedule an Issaquah backflow test and keep your compliance records organized by property address.

Schedule Backflow Test

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