Irrigation Backflow Repair & Testing in Houston

Backflow preventers protect potable water from irrigation contamination. We test, rebuild, and replace RPZ and other common assemblies used on Houston-area irrigation systems.

Common Backflow Repair & Testing problems we fix

Failed annual test
Leaking relief valve or discharge
Frozen or cracked assembly after freeze
Low system pressure after the backflow

Parts & systems we service

Assembly testing (where offered)
Kit rebuilds and check valve service
Full assembly replacement
Insulation and freeze-protection recommendations

How our service visit works

Inspect assembly type and condition.
Test or diagnose failure mode.
Rebuild or replace with code-appropriate device.
Verify irrigation pressure downstream.

Houston-specific notes

Municipal and MUD requirements vary across Harris and Fort Bend. We help property owners keep assemblies serviceable and protected from rare freezes that crack exposed brass and relief ports.

Service areas

We provide backflow repair & testing throughout Harris, Fort Bend, Montgomery, Brazoria, Galveston, and Waller counties — including Houston, Katy, Sugar Land, The Woodlands, Pearland, Cypress, Spring, and 60+ surrounding communities.

View full service area list → · All services · FAQ

Backflow Repair & Testing FAQs

Do you file test reports with my water district?

Requirements differ by utility. Ask when booking — we will confirm what documentation your area expects.

Related irrigation guides

All technical guides →

Cities we serve

Dedicated local pages for Houston metro communities:

All cities & communities →

Ready to schedule?

Call Houston Irrigation Repair for backflow repair & testing: (346) 627-2400. Same-day windows often available.

(346) 627-2400 Request service