BackflowNear Test-Due Reminder

West Knox Utility District: backflow testing rules

Serves West Knox County, TN (Knoxville). Every point below comes from West Knox Utility District's own pages, linked; check your notice for your own deadline.

Who must test

  • All customers with a lawn irrigation system must have a reduced pressure backflow device installed and tested initially and annually. Source.
  • All commercial and industrial facilities must have a reduced pressure backflow device installed and tested initially and annually. Source.
  • All fire lines and fire systems must have double check valve assemblies, and all devices must be installed above ground. Source.

How the report is filed

  • Test results and proof of tester certification must be sent to WKUD within 10 business days of the test; questions go to backflow@wkud.com. Source.

Tester registration

  • Customers may use someone else to test, provided the tester is a state certified technician or plumber. Source.

Fees

  • West Knox Utility District charges $65.00 to test each backflow preventer. Source.

Approved testers

  • The program page links a Certified Backflow Testers list. PDF; not downloaded). Source.

Program

  • West Knox Utility District runs a Cross Connection Control Program to comply with TDEC Division of Water Supply rules. Source.

How to file your backflow test with West Knox Utility District

  1. Read your notice. It names the assembly, its location and the date the report is due.
  2. Book a tester West Knox Utility District accepts. See finding a tester below; book early so there is time to repair a failed assembly.
  3. The tester tests the assembly and fills in the test report. A failed assembly is repaired and tested again.
  4. The report is filed. Test results and proof of tester certification must be sent to WKUD within 10 business days of the test; questions go to backflow@wkud.com.Source.
  5. Fees. West Knox Utility District charges $65.00 to test each backflow preventer. Source.
  6. Keep a copy and set a reminder for next year. Set a free test-due reminder.

Finding a tester West Knox Utility District accepts

West Knox Utility District posts a list of testers it accepts on wkud.com. Open the list. The testers on this site hold a state certificate; check the list or ask the tester whether West Knox Utility District accepts them.

Before you book, ask the tester:

  • Are you registered with West Knox Utility District?
  • 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 Tennessee

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

Backflow testers near Knoxville

What the badges mean
✓ TN 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.
✓ TN 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.

All testers near Knoxville · Tennessee roster

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