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

Northwest Clear coordinates certified backflow assembly testing for Redmond properties — commercial facilities, apartments, HOAs, irrigation systems, and residential assemblies. The City of Redmond operates its own Cross-Connection Control Program and surveys both commercial and residential properties for compliance. Redmond is part of the Cascade Water Alliance, with about 60% of its water coming from SPU's Tolt River supply and the rest from municipal wells. Your compliance records are grouped by property address for clean tracking across renewals.

Schedule Backflow Test

Coverage

Redmond is within our strongest coverage zone. Availability depends on tester routing and appointment windows.

Nearby areas: Kirkland, Bellevue, Woodinville, Sammamish.

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 Redmond requires annual backflow assembly testing under WAC 246-290-490. The city mails annual reminder postcards or letters to all property owners with backflow assemblies. Any Washington State certified BAT can perform the test. The most common residential requirements are for lawn irrigation and fire suppression systems. Non-compliance can result in enforcement action. For program details, contact the Redmond Cross-Connection Specialist at 425-556-2817.

City of Redmond Water — Backflow Program Details ↗

FAQ

Who enforces backflow testing in Redmond?

The City of Redmond Water department operates the Cross-Connection Control Program and sends annual reminder letters to property owners with assemblies.

What triggers backflow testing for residential properties?

The most common residential triggers are lawn irrigation systems, fire suppression systems, boilers, and pools or spas. The city surveys properties to identify cross-connections.

When are Redmond tests typically due?

Testing happens year-round, though certain areas have due dates concentrated in June. The city sends reminders before your due date.

Do you handle multiple addresses?

Yes — records are grouped by property address in the portal, useful for property managers across the Eastside.

Do you perform the test yourselves?

We coordinate scheduling with certified backflow assembly testers who submit results to the City of Redmond.

Schedule a Redmond backflow test and keep your compliance records organized by property address.

Schedule Backflow Test

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