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Water Department
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.

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