McAllen Public Utility Backflow Testing: Rules and Deadlines

Who must test

Backflow assemblies must be tested annually on site by a certified backflow tester, and a maintenance report submitted to McAllen Public Utility. Source.
Assemblies are required on residential properties including multifamily complexes with pools or irrigation, commercial properties with irrigation or fire suppression systems, and industrial facilities handling chemicals. Source.

How the report is filed

After each test a Test and Maintenance Report must be submitted to McAllen Public Utility; MPU posts the report form on its Water Systems page. Source.

Tester registration

MPU tells owners it is their responsibility to make sure the tester they choose is certified by TCEQ. Source.

Approved testers

MPU publishes a Certified Backflow Testers List (PDF) for convenience, with a disclaimer that owners need not use it. Not downloaded. Source.

If a test is missed

Failing to maintain a backflow device may lead to enforcement action or interruption of water service. Source.

How to file your backflow test with McAllen Public Utility

Read your notice. It names the assembly, its location and the date the report is due.
Book a tester McAllen Public Utility accepts. See finding a tester below; book early so there is time to repair a failed assembly.
The tester tests the assembly and fills in the test report. A failed assembly is repaired and tested again.
The report is filed. After each test a Test and Maintenance Report must be submitted to McAllen Public Utility; MPU posts the report form on its Water Systems page.Source.
Keep a copy and set a reminder for next year. Set a free test-due reminder.

Finding a tester McAllen Public Utility accepts

McAllen Public Utility publishes its own list of approved testers, and we load it. The 92 companies from it carry a "Utility-Approved Tester" badge on their cards here. See the utility's list.

Before you book, ask the tester:

Are you registered with McAllen Public Utility, and on its current list?
Will you send the test report to the utility for me, and how?
When is my report due? The date is on your notice; the tester needs time to test, repair if needed and file.

Other water utilities in Texas

Read October 6, 2026. Program page: mcallenpublicutility.com.

Backflow testers near McAllen

What the badges mean

✓ TX Certified Backflow Tester Verified: A state roster lists at least one certified tester at this business, with a current certificate. The state sets the exam and renewal.
✓ TX Utility-Approved Tester Verified On the city list: The company is on a water utility's own approved list (the second badge names the list). That is the utility's approval, not a state license, and it counts for that utility.
3 certified testers: How many certified testers the roster lists at this business.
★ 4.8 (25 reviews): The Google rating, shown as Google reports it. It does not change the order.

Order is by our quality score, never by payment. How we verify listings.