Johnston County Backflow Prevention Program

Johnston County Public Utilities has contracted with BSI Online to assist with State required cross-connection/backflow tracking regulations.  Backflow Solutions, Inc. or BSI Online is North America’s leading cross-connection control/backflow data management and program administration firm. BSI Online has partnered with over 550 water purveyors to develop and manage effective cross-connection control programs to help protect all our water resources. BSI helps water purveyors by sending notifications, assists with customer service inquiries, and manages required data on behalf of Johnston County Public Utilities.

BSI Online will serve as the primary point of contact for the program and can be contacted below:


Water Customer Link to find a registered testing company or check the status of their test -

Tester Login –

Backflow Academy -

BSI Online Blog -

Johnston County Public Utilities

Physical Address:
Land Use Center
309 E. Market Street
Smithfield, NC 27577

Mailing Address:
P.O. Box 2263
Smithfield, NC 27577

  • Email:

  • Phone:
    Main - 919-989-5075
    Pay by Phone - 844-845-2151

    After Hours Emergency - 919-934-9411
  • Fax:
    Business Office - 919-934-0256
    Engineering Office - 919-934-7174
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