Backflow Tester and Installer Resources

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Orientation Certification School Approved Testing Equipment Approved Backflow Assemblies

City of Raleigh is currently not holding certification or recertification school. Please check the list of approved schools provided below for open options. 

All service providers certified to test backflow assemblies within the City of Raleigh's water service area are required to register with the Cross Connection Program prior to submitting a test report per Raleigh City Code Article D-Water Quality Protection.

All reports must be submitted in accordance with the testing schedule and requirements outlined in Public Utilities Handbook Appendix A: Guidelines and Requirements for the Cross Connection Program.

Register as a City of Raleigh Certified Tester
If you wish to test in our water service area, you must be certified by the City of Raleigh's Certification School or one of our approved schools and attend a City of Raleigh orientation session. Acceptance of your test reports cannot be made until you have successfully attended an orientation session and completed all paperwork to verify your certification.

Currently registered as a City of Raleigh Certified Tester?
To continue testing in our water service area, you are responsible to keep our records current with any renewals of your backflow certification and test kit calibrations. Test reports will not be accepted when submitted by testers with expired certificates.


Orientation Class:
Cost: $25*
Time: 8:30 to 11 a.m.

2024 Orientation Schedule

To reserve a seat please send the Registration Form to

January 17FULL
February 21FULL
March 20FULL
April 17FULL
May 15FULL
June 12Open
July 17Open
August 21Open
September 18Open
October 16Open
November 13Open 
December 11Open

*The cost of orientation registration is included in the cost of the City of Raleigh's Cross Connection Certification and Recertification classes.

The City of Raleigh will accept certifications from the following schools:

City of Durham Department of Water Management
101 City Hall Plaza
Durham, NC 27701
919-560-4194 Ext. 35249
Durham's Backflow Prevention Program

Charlotte-Mecklenburg Utilities Department
5100 Brookshire Blvd.
Charlotte, NC 28216
704-399-2426 Ext. 295
Central Piedmont Community College Construction Education

Greenville Utilities Commission Water Resources Department
PO Box 1847
Greenville, NC 27835
Greenville Utilities

North Carolina Rural Water Association
P.O. Box 540
Welcome, NC 27374
NCRWA Backflow Cross Connection Training

Certification School

Certification Class: Agenda
Cost: $200
Five days
Monday-Thursday 8 a.m. to 4 p.m.
Friday 8 a.m. to 12 p.m.

2023 Certification Schedule
There are no dates scheduled at this time

Recertification Class: Agenda
Cost: $80
Two Days
Wednesday 8 a.m. to 4 p.m.
Thursday 8 a.m. to 12 p.m.

2023 Recertification Schedule
There are no dates scheduled at this time

Registration Requirements:

  1. A completed registration form must be submitted for each student. Confirmation of enrollment to the course will be sent once the registration form and payment is received and all required documents have been submitted.
  2. Classes that have 8 or fewer students enrolled will be rescheduled. Classes will not exceed 15 students.
  3. Students who do not show up for class will forfeit the registration fee and will not be rescheduled for a future class.
  4. An alternate person may be sent in place of a student who cannot attend.
  5. Cancellations must be made in writing by mail or email within 5 days of the course to:

    City of Raleigh
    Public Utilities Department
    PO Box 590
    Attn: Cross Connection Program
    Raleigh, NC 27602
    Or email request to:

Please note that all refunds will be issued minus a $25.00 cancellation fee.


2023 NCRWA Certification Schools
For more information and availability contact NCRWA.

Approved Testing Equipment

The purchase of a bleeder valve kit and vertical tube kit is required for performing the Double Check Valve Assembly Test. These kits are available from the equipment manufacturer.

Brand Model
Apollo/Conbraco 40-200-TKU
Apollo/Conbraco 40-200-TK5U
Duke EZ 900
Midwest 830
Midwest 835
Midwest 844
Midwest 845
Watts TKDL
Watts TK-99D
Watts TK-99E

Test Kit Calibration Centers
Test kit calibration is required on an annual bases.

Bavco Backflow Apparatus & Valve Co.
For Watts and Duke Test Kits
20435 South Suzanna Rd
Long Beach, CA 90810

Nicholson Lab Inc.
For Watts and Duke Test Kits
1423 Queen City Ave
Cincinnati, OH 45214

Specialty Valve & Controls Company
For Midwest Test Kits
3001 Griffith St
Charlotte, NC 28203

Precision Measurements Corporation
553-E Pylon Drive
Raleigh, NC  27606

Approved Backflow Assemblies

Article D: Water Quality Protection and Appendix A:  Guidelines and Requirements for the Cross Connection Program states that all containment backflow assemblies shall be approved by the Foundation for Cross Connection Control and Hydraulic Research (FCCHR or USC).

List of approved backflow assemblies allowed for 'new' and 'replacement' backflows in the City of Raleigh's water service area.

Related Services:
Cross Connection Control Program