Clarksville Gas and Water (CGW): backflow testing rules

Who must test

• Page says devices generally need annual testing. Source.
• Cross-Connection Control Plan, non-residential premises. Source.

Notices and deadlines

• Ordinance Sec 8-408 and plan; no mailed reminder schedule described. Source.
• Plan test timing list: after installation, at least every 12 months, after repair, and when malfunctioning. Source.

How the report is filed

• Ordinance Sec 8-408; submission format (paper, email, portal) not specified. Source.
• Test reports must be of the type approved by Clarksville Water System. Source.

Tester registration

• Testers must have a TDEC certification copy on file with the General Manager. Source.
• Applies to persons installing or repairing backflow devices (ordinance text). Source.
• Tester must hold a state Certificate of Competency and be approved by Clarksville Water System. Source.
• Plan, Accepted Test Procedure. Source.

Program

• City page with the Cross Connection Control Program, the ordinance PDF, the plan PDF and cross-connection office phone 931-553-2489. Source.

How to file your backflow test with Clarksville Gas and Water

1. Read your notice. Ordinance Sec 8-408 and plan; no mailed reminder schedule described.Source.
2. Book a tester Clarksville Gas and Water 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. Ordinance Sec 8-408; submission format (paper, email, portal) not specified.Source.
5. Keep a copy and set a reminder for next year. Set a free test-due reminder.

Finding a tester Clarksville Gas and Water accepts

We found no tester list on Clarksville Gas and Water's own pages. Use a state certified tester, and check your notice in case it names the testers or the portal it accepts.

Before you book, ask the tester:

• Are you registered with Clarksville Gas and Water?
• 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

• Consolidated Utility District of Rutherford County
• First Utility District of Knox County
• Columbia Power and Water Systems
• Hallsdale-Powell Utility District
• West Knox Utility District
• Water Authority of Dickson County
• Hixson Utility District
• Harpeth Valley Utilities District

Read October 6, 2026. Program page: clarksvilletn.gov.

Backflow testers near Clarksville

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 Clarksville · Tennessee roster