Find a Backflow Tester

The following list of Backflow Testers who have registered their business with the City of Dayton as is required per Dayton Municipal Code Section 3.3 and have provided the required documentation listed below.

Backflow testers are required to provide the following information:

  • A current CCB or LCB License
  • A copy of their current Tester Certification
  • Proof of Liability Insurance and/or Bond Information
  • A copy of their Gauge Accuracy Verification Form


  • James Baranauskas - C and D Landscape Company
  • Nicholas Evenson - C and D Landscape Company
  • Jayson Gettman -  Gormley Plumbing & Mechanical
  • Edward Gormley - Gormley Plumbing & Mechanical
  • David Jones - Gormley Plumbing & Mechanical
  • Trevor Kertson - A1 Backflow Services
  • John Nyssen - Gormley Plumbing & Mechanical
  • William Teafatiller Jr - Gormley Plumbing & Mechanical
  • Derek Wanting - A1 Backflow Services
  • Brandon Weston - C and D Landscape Company
  • Timothy White - Gormley Plumbing & Mechanical

This is not a complete list of backflow assembly testers, it only represents those who have met the City of Dayton Business & Backflow tester requirements.  This list is provided as a courtsey to City of Dayton customers, it is in no way a recommendation of the companies listed or a guarantee of quality of work. 

If you are a Certified Backflow Tester and would like to be added to our Registered Backflow Tester List you can register your business by downloading a Business Registration Application form and mail or bring it to the City of Dayton.

To register your business or for more information contact the City of Dayton at (503) 864-2221.