BackflowNear Test-Due Reminder

Becoming a certified backflow tester in North Carolina

15A NCAC 18D: the Board certifies the CROSS-CONNECTION CONTROL grade.

Sources read October 6, 2026. Each section links the pages it came from.

Getting certified in North Carolina

One of the paths for the Cross-Connection Control grade (others require education or a plumbing contractor licence plus the school). No course hours stated in the rule.

Board named in the application rule 15A NCAC 18D .0301.

15A NCAC 18D .0304: annual renewal fee $30, due December 31; professional growth hours are also required each year (.0308).

Source: Cross-Connection Control certificate is issued by the NC Water Treatment Facility Operators Certification Board

Who may test in North Carolina

15A NCAC 18D operator rules: systems required by .0406(b) to have five or more testable assemblies need an operator holding a Cross-Connection Control certificate. This is a program operator credential, not a statewide tester licence.

NC General Statutes 87-21 describes install, repair or replace backflow preventers for the limited plumbing licence; it speaks to install/repair, not testing.

Sources: NC requires an operator in responsible charge of cross-connection control for larger programs; Limited plumbing contractor licence covers exterior backflow preventers on irrigation and domestic service lines (2 inch

Common questions

Who certifies backflow testers in North Carolina?

15A NCAC 18D: the Board certifies the CROSS-CONNECTION CONTROL grade.

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