Backflow testing requirements in Murphy
City of Murphy Public Works requires every backflow prevention assembly in Murphy to be tested at least once each year by a licensed backflow assembly tester. That includes irrigation double-check and pressure-vacuum breaker assemblies, domestic reduced-pressure assemblies feeding buildings, and fire line detector checks. The test verifies that the assembly still closes under reverse pressure so contaminated water can never siphon back into Murphy's drinking water supply.
What a Murphy backflow test looks like
A licensed technician arrives with calibrated test gauges, isolates the assembly, records the differential pressure across each check valve and the relief valve, then restores service. On-site time is normally 20 to 30 minutes and you do not need to be home — we only need access to the assembly, so an unlocked gate or a gate code is enough. If the assembly passes, we complete the state test-and-maintenance report and submit it directly to City of Murphy Public Works. If it fails, we tell you exactly which component failed and quote the repair before doing any work.
Why Murphy customers choose Next Day
We are a licensed, insured, family-owned North Texas company that has been testing assemblies since 2015. Our technicians are state-licensed and background-checked, we carry common repair parts with us, and we file every passing report with the city for you. Most Murphy customers are on the schedule within one business day, and same-day appointments are frequently available when a compliance deadline is close.
What backflow testing looks like in Murphy
Testing in Murphy is high-volume and predictable: mostly one irrigation assembly per home, of a known generation, in a yard box near the front corner. What matters is the honest call at the end — a device at this age either passes cleanly or needs new rubber, and we tell you which before we leave. Passing results go to the city the same day.
Murphy water authority: City of Murphy Public Works
Murphy built out almost entirely between the late 1990s and the 2010s, which gives it one of the most uniform backflow inventories in Collin County: thousands of residential irrigation assemblies of roughly the same age, all coming due for their first serious rebuilds at once. Commercial work is concentrated in the Murphy Marketplace and along FM 544 and Murphy Road — restaurants, medical and dental offices, and retail — plus Plano ISD and Wylie ISD campuses inside the city.
We submit your passing backflow testing report directly to City of Murphy Public Works — no paperwork on your end. City of Murphy Public Works keeps the cross-connection records, and because so much of Murphy's inventory was installed in the same few years, the city issues notices in heavy seasonal waves — booking early in the cycle avoids the rush.
Backflow Testing across Murphy, TX
Our Murphy technicians cover uniform 2000s-era residential irrigation, Murphy Marketplace and FM 544 restaurants and medical offices, veterinary clinics, and Plano ISD and Wylie ISD campuses throughout Collin County, including Rolling Ridge, Maxwell Creek, Brookside, Hunters Ridge, Murphy Marketplace. If your property is inside Murphy city limits, we can be there — most Murphy appointments are booked within one business day.
Murphy ZIP codes served
- 75094
Loading interactive coverage map…
More backflow services in Murphy
- Fireline Backflow Testing in Murphy
- Domestic Backflow Testing in Murphy
- Irrigation Backflow Testing in Murphy
- Backflow Repairs in Murphy
- Backflow Replacements in Murphy
- New Construction Backflow Test, Repair & Install in Murphy
See everything we do in Murphy → Learn more about Backflow Testing →

