Certified Backflow Tester

Certified Backflow Tester COVId-19 Updates

San Diego Backflow Test Company continues to help ensure safety of San Diego area water systems as we all work to stop COVID-19. Our backflow testing and repair operations continue. Like usual, customers need not visit our office. Phone, email and fax remain our primary ways of communication with you. Our field technicians practice hygiene and social distancing. If working remotely, please provide direct contact information so we can communicate during your project. We appreciate the opportunity to serve you!

Backflow Testing Helps Protect our Drinking Water

In San Diego County backflow preventers are tested yearly to give us all confidence in the protection they offer. If backflow preventers fail, health hazards and pollution could enter our community drinking water. Certified Backflow Tester began in 2020, helping protect Southern California through backflow testing, repair, installation, cages and cross connection control services. Our friendly staff is ready to serve you. We Make It Easy!

Why us?

- Get Quotes

- Backflow Testing Services

- Water Contamination Testing

- Water Valve Repairs

- Full Plumbing Services

- Water Main Break Repair

Fill out our short form and we will help find and pair you with backflow testing services in your area. Find professionals for backflow testing services. Our technicians are here to quickly arrange a site visit to test the plumbing system for commercial buildings or private residences and assist with any necessary repairs that need to be completed from the backflow test results.

Backflow Testing

Backflow prevention devices must be field tested at least once a year to ensure they are working properly. Backflow tests must be performed by a certified backflow tester who is approved by the water supplier. The test equipment is required to be calibrated and certified yearly. Certified Backflow Tester provides all this and makes it easy for you!

Backflow Repair

The backflow test tells us if the backflow assembly is operating properly. If it is not, there is a risk that reversal of water flow could endanger the public health. The backflow test doesn't tell us specifically the cause of the failure. To learn the cause (or causes) of the failure, we must disassemble the device and trouble-shoot. Sometimes the problems are obvious and sometimes they're not.


Business Pricing:

$49.00 For the first two backflow device

$74.99 For every consecutive device in the same complex

Residential Pricing

$49.00 For the first two backflow device

10% discount per house if multiple devices are tested in the same neighborhood*

we Serve:

Alpine, Bonita, Bonsall, Borrego Springs, Bostonia, Boulevard, Carlsbad, Chula Vista, Coronado, Camp Pendleton, Casa de Oro, Crest, Del Mar, Descanso, El Cajon, Eucalyptus Hills, Encinitas, Escondido, Fairbanks Ranch, Fallbrook, Granite Hills, Harbison Canyon, Hidden Meadows, Imperial Beach, Jacumba Hot Springs, Jamul, Julian, La Mesa, Lake San Marcos, Lakeside, La Presa, La Mesa, Lemon Grove, National City, Mount Laguna, Oceanside, Oak Grove, Pala, Pine Valley, Potrero, Poway, Rainbow, Ramona, Rancho San Diego, Rancho Santa Fe, San Diego Country Estates, San Diego, San Marcos, Santee, Spring Valley, Solana Beach, Valley Center, Vista

What is Backflow?

Backflow is the undesired reversal of water flow against the normal direction. This can occur through back pressure or back siphonage.

Back pressure

  • Occurs when pressure in a private water system is greater than pressure in the City’s water supply system.

  • Can result in water from the private system forcing its way into the City’s distribution system.

  • Can be caused by pumps, elevated tanks, temperature increases in boiler systems, and other local pressure events.

Back siphonage

  • Occurs when pressure in the City’s water supply system is lower than pressure in a private system.

  • Can pull contaminated water from the private water system into the City’s distribution system.

  • Can be caused by nearby fire-fighting or watermain breaks.