What a domestic backflow assembly does in Allen
The domestic assembly protects Allen's public water supply from the water inside your building. High-hazard uses — food service, medical suites, boilers, chemical mixing, cooling towers — are typically protected by a reduced pressure principle assembly (RPZ) at the point of service. City of Allen Utility Billing requires annual certification, and a missed test can lead to violation notices or a hold on your certificate of occupancy or health inspection.
Testing without shutting your business down
Testing a domestic assembly briefly interrupts water to the building, so timing matters. We schedule Allen restaurants and clinics before opening or after close, and coordinate with facility staff on apartment and office buildings so tenants get notice. Actual isolation time is usually under 15 minutes per assembly.
Multi-site and portfolio testing
If you manage several properties in Allen or across DFW, we can put every assembly on one annual schedule, send one consolidated invoice, and track due dates for you. Property managers use us because reports get filed with City of Allen Utility Billing without follow-up phone calls.
Allen water authority: City of Allen Utility Billing
Allen is our home base. We've tested thousands of backflow assemblies across the city since 2015 and file every passing test directly with City of Allen Utility Billing. Whether you're in Twin Creeks, Watters Crossing, or Star Creek, we'll get you compliant fast.
We submit your passing domestic backflow testing report directly to City of Allen Utility Billing — no paperwork on your end. City of Allen Utility Billing tracks annual test due dates by service address and requires a licensed tester's report each year.
Domestic Backflow Testing across Allen, TX
Our Allen technicians cover single-family homes, HOA irrigation, schools, Watters Creek retail, restaurants, and light industrial throughout Collin County, including Twin Creeks, Watters Crossing, Star Creek, Bethany Lakes, Cottonwood Bend. If your property is inside Allen city limits, we can be there — most Allen appointments are booked within one business day.
Allen ZIP codes served
- 75002
- 75013
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See everything we do in Allen → Learn more about Domestic Backflow Testing →

